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[SK_BUFF]: Introduce skb_copy_from_linear_data{_offset} 

To clearly state the intent of copying from linear sk_buffs, _offset being a
overly long variant but interesting for the sake of saving some bytes.

Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Arnaldo Carvalho de Melo 2007-03-27 18:55:52 -03:00 committed by David S. Miller
parent 2a123b86e2
commit d626f62b11
133 changed files with 321 additions and 230 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
arch/ia64/sn/kernel/xpnet.c
View File

@ -566,7 +566,8 @@ xpnet_dev_hard_start_xmit(struct sk_buff *skb, struct net_device *dev)
msg->version = XPNET_VERSION_EMBED;
dev_dbg(xpnet, "calling memcpy(0x%p, 0x%p, 0x%lx)\n",
&msg->data, skb->data, (size_t) embedded_bytes);
memcpy(&msg->data, skb->data, (size_t) embedded_bytes);
skb_copy_from_linear_data(skb, &msg->data,
(size_t)embedded_bytes);
} else {
msg->version = XPNET_VERSION;
}

4
drivers/atm/atmtcp.c
View File

@ -221,7 +221,7 @@ static int atmtcp_v_send(struct atm_vcc *vcc,struct sk_buff *skb)
hdr->vpi = htons(vcc->vpi);
hdr->vci = htons(vcc->vci);
hdr->length = htonl(skb->len);
memcpy(skb_put(new_skb,skb->len),skb->data,skb->len);
skb_copy_from_linear_data(skb, skb_put(new_skb, skb->len), skb->len);
if (vcc->pop) vcc->pop(vcc,skb);
else dev_kfree_skb(skb);
out_vcc->push(out_vcc,new_skb);
@ -310,7 +310,7 @@ static int atmtcp_c_send(struct atm_vcc *vcc,struct sk_buff *skb)
goto done;
}
__net_timestamp(new_skb);
memcpy(skb_put(new_skb,skb->len),skb->data,skb->len);
skb_copy_from_linear_data(skb, skb_put(new_skb, skb->len), skb->len);
out_vcc->push(out_vcc,new_skb);
atomic_inc(&vcc->stats->tx);
atomic_inc(&out_vcc->stats->rx);

6
drivers/atm/nicstar.c
View File

@ -2395,7 +2395,7 @@ static void dequeue_rx(ns_dev *card, ns_rsqe *rsqe)
skb->destructor = ns_lb_destructor;
#endif /* NS_USE_DESTRUCTORS */
skb_push(skb, NS_SMBUFSIZE);
memcpy(skb->data, sb->data, NS_SMBUFSIZE);
skb_copy_from_linear_data(sb, skb->data, NS_SMBUFSIZE);
skb_put(skb, len - NS_SMBUFSIZE);
ATM_SKB(skb)->vcc = vcc;
__net_timestamp(skb);
@ -2479,7 +2479,7 @@ static void dequeue_rx(ns_dev *card, ns_rsqe *rsqe)
{
/* Copy the small buffer to the huge buffer */
sb = (struct sk_buff *) iov->iov_base;
memcpy(hb->data, sb->data, iov->iov_len);
skb_copy_from_linear_data(sb, hb->data, iov->iov_len);
skb_put(hb, iov->iov_len);
remaining = len - iov->iov_len;
iov++;
@ -2491,7 +2491,7 @@ static void dequeue_rx(ns_dev *card, ns_rsqe *rsqe)
{
lb = (struct sk_buff *) iov->iov_base;
tocopy = min_t(int, remaining, iov->iov_len);
memcpy(skb_tail_pointer(hb), lb->data, tocopy);
skb_copy_from_linear_data(lb, skb_tail_pointer(hb), tocopy);
skb_put(hb, tocopy);
iov++;
remaining -= tocopy;

2
drivers/bluetooth/bfusb.c
View File

@ -527,7 +527,7 @@ static int bfusb_send_frame(struct sk_buff *skb)
buf[2] = (size == BFUSB_MAX_BLOCK_SIZE) ? 0 : size;
memcpy(skb_put(nskb, 3), buf, 3);
memcpy(skb_put(nskb, size), skb->data + sent, size);
skb_copy_from_linear_data_offset(skb, sent, skb_put(nskb, size), size);
sent += size;
count -= size;

4
drivers/bluetooth/bpa10x.c
View File

@ -231,7 +231,7 @@ static void bpa10x_wakeup(struct bpa10x_data *data)
cr = (struct usb_ctrlrequest *) urb->setup_packet;
cr->wLength = __cpu_to_le16(skb->len);
memcpy(urb->transfer_buffer, skb->data, skb->len);
skb_copy_from_linear_data(skb, urb->transfer_buffer, skb->len);
urb->transfer_buffer_length = skb->len;
err = usb_submit_urb(urb, GFP_ATOMIC);
@ -250,7 +250,7 @@ static void bpa10x_wakeup(struct bpa10x_data *data)
skb = skb_dequeue(&data->tx_queue);
if (skb) {
memcpy(urb->transfer_buffer, skb->data, skb->len);
skb_copy_from_linear_data(skb, urb->transfer_buffer, skb->len);
urb->transfer_buffer_length = skb->len;
err = usb_submit_urb(urb, GFP_ATOMIC);

2
drivers/bluetooth/dtl1_cs.c
View File

@ -425,7 +425,7 @@ static int dtl1_hci_send_frame(struct sk_buff *skb)
return -ENOMEM;
skb_reserve(s, NSHL);
memcpy(skb_put(s, skb->len), skb->data, skb->len);
skb_copy_from_linear_data(skb, skb_put(s, skb->len), skb->len);
if (skb->len & 0x0001)
*skb_put(s, 1) = 0; /* PAD */

2
drivers/char/pcmcia/synclink_cs.c
View File

@ -4169,7 +4169,7 @@ static int hdlcdev_xmit(struct sk_buff *skb, struct net_device *dev)
netif_stop_queue(dev);
/* copy data to device buffers */
memcpy(info->tx_buf, skb->data, skb->len);
skb_copy_from_linear_data(skb, info->tx_buf, skb->len);
info->tx_get = 0;
info->tx_put = info->tx_count = skb->len;

9
drivers/infiniband/hw/cxgb3/iwch_cm.c
View File

@ -821,7 +821,8 @@ static void process_mpa_reply(struct iwch_ep *ep, struct sk_buff *skb)
/*
* copy the new data into our accumulation buffer.
*/
memcpy(&(ep->mpa_pkt[ep->mpa_pkt_len]), skb->data, skb->len);
skb_copy_from_linear_data(skb, &(ep->mpa_pkt[ep->mpa_pkt_len]),
skb->len);
ep->mpa_pkt_len += skb->len;
/*
@ -940,7 +941,8 @@ static void process_mpa_request(struct iwch_ep *ep, struct sk_buff *skb)
/*
* Copy the new data into our accumulation buffer.
*/
memcpy(&(ep->mpa_pkt[ep->mpa_pkt_len]), skb->data, skb->len);
skb_copy_from_linear_data(skb, &(ep->mpa_pkt[ep->mpa_pkt_len]),
skb->len);
ep->mpa_pkt_len += skb->len;
/*
@ -1619,7 +1621,8 @@ static int terminate(struct t3cdev *tdev, struct sk_buff *skb, void *ctx)
PDBG("%s ep %p\n", __FUNCTION__, ep);
skb_pull(skb, sizeof(struct cpl_rdma_terminate));
PDBG("%s saving %d bytes of term msg\n", __FUNCTION__, skb->len);
memcpy(ep->com.qp->attr.terminate_buffer, skb->data, skb->len);
skb_copy_from_linear_data(skb, ep->com.qp->attr.terminate_buffer,
skb->len);
ep->com.qp->attr.terminate_msg_len = skb->len;
ep->com.qp->attr.is_terminate_local = 0;
return CPL_RET_BUF_DONE;

2
drivers/isdn/act2000/module.c
View File

@ -442,7 +442,7 @@ act2000_sendbuf(act2000_card *card, int channel, int ack, struct sk_buff *skb)
return 0;
}
skb_reserve(xmit_skb, 19);
memcpy(skb_put(xmit_skb, len), skb->data, len);
skb_copy_from_linear_data(skb, skb_put(xmit_skb, len), len);
} else {
xmit_skb = skb_clone(skb, GFP_ATOMIC);
if (!xmit_skb) {

2
drivers/isdn/gigaset/usb-gigaset.c
View File

@ -652,7 +652,7 @@ static int write_modem(struct cardstate *cs)
* transmit data
*/
count = min(bcs->tx_skb->len, (unsigned) ucs->bulk_out_size);
memcpy(ucs->bulk_out_buffer, bcs->tx_skb->data, count);
skb_copy_from_linear_data(bcs->tx_skb, ucs->bulk_out_buffer, count);
skb_pull(bcs->tx_skb, count);
atomic_set(&ucs->busy, 1);
gig_dbg(DEBUG_OUTPUT, "write_modem: send %d bytes", count);

3
drivers/isdn/hardware/avm/b1dma.c
View File

@ -404,7 +404,8 @@ static void b1dma_dispatch_tx(avmcard *card)
printk(KERN_DEBUG "tx: put 0x%x len=%d\n",
skb->data[2], txlen);
#endif
memcpy(dma->sendbuf.dmabuf, skb->data+2, skb->len-2);
skb_copy_from_linear_data_offset(skb, 2, dma->sendbuf.dmabuf,
skb->len - 2);
}
txlen = (txlen + 3) & ~3;

3
drivers/isdn/hardware/avm/c4.c
View File

@ -457,7 +457,8 @@ static void c4_dispatch_tx(avmcard *card)
printk(KERN_DEBUG "%s: tx put 0x%x len=%d\n",
card->name, skb->data[2], txlen);
#endif
memcpy(dma->sendbuf.dmabuf, skb->data+2, skb->len-2);
skb_copy_from_linear_data_offset(skb, 2, dma->sendbuf.dmabuf,
skb->len - 2);
}
txlen = (txlen + 3) & ~3;

6
drivers/isdn/hisax/elsa_ser.c
View File

@ -254,14 +254,16 @@ write_modem(struct BCState *bcs) {
count = len;
if (count > MAX_MODEM_BUF - fp) {
count = MAX_MODEM_BUF - fp;
memcpy(cs->hw.elsa.transbuf + fp, bcs->tx_skb->data, count);
skb_copy_from_linear_data(bcs->tx_skb,
cs->hw.elsa.transbuf + fp, count);
skb_pull(bcs->tx_skb, count);
cs->hw.elsa.transcnt += count;
ret = count;
count = len - count;
fp = 0;
}
memcpy((cs->hw.elsa.transbuf + fp), bcs->tx_skb->data, count);
skb_copy_from_linear_data(bcs->tx_skb,
cs->hw.elsa.transbuf + fp, count);
skb_pull(bcs->tx_skb, count);
cs->hw.elsa.transcnt += count;
ret += count;

3
drivers/isdn/hisax/isdnl2.c
View File

@ -1293,7 +1293,8 @@ l2_pull_iqueue(struct FsmInst *fi, int event, void *arg)
oskb = skb;
skb = alloc_skb(oskb->len + i, GFP_ATOMIC);
memcpy(skb_put(skb, i), header, i);
memcpy(skb_put(skb, oskb->len), oskb->data, oskb->len);
skb_copy_from_linear_data(oskb,
skb_put(skb, oskb->len), oskb->len);
dev_kfree_skb(oskb);
}
st->l2.l2l1(st, PH_PULL | INDICATION, skb);

2
drivers/isdn/hysdn/hycapi.c
View File

@ -398,7 +398,7 @@ static u16 hycapi_send_message(struct capi_ctr *ctrl, struct sk_buff *skb)
_len = CAPIMSG_LEN(skb->data);
if (_len > 22) {
_len2 = _len - 22;
memcpy(msghead, skb->data, 22);
skb_copy_from_linear_data(skb, msghead, 22);
memcpy(skb->data + _len2, msghead, 22);
skb_pull(skb, _len2);
CAPIMSG_SETLEN(skb->data, 22);

5
drivers/isdn/hysdn/hysdn_sched.c
View File

@ -113,7 +113,8 @@ hysdn_sched_tx(hysdn_card *card, unsigned char *buf,
(skb = hysdn_tx_netget(card)) != NULL)
{
if (skb->len <= maxlen) {
memcpy(buf, skb->data, skb->len); /* copy the packet to the buffer */
/* copy the packet to the buffer */
skb_copy_from_linear_data(skb, buf, skb->len);
*len = skb->len;
*chan = CHAN_NDIS_DATA;
card->net_tx_busy = 1; /* we are busy sending network data */
@ -126,7 +127,7 @@ hysdn_sched_tx(hysdn_card *card, unsigned char *buf,
((skb = hycapi_tx_capiget(card)) != NULL) )
{
if (skb->len <= maxlen) {
memcpy(buf, skb->data, skb->len);
skb_copy_from_linear_data(skb, buf, skb->len);
*len = skb->len;
*chan = CHAN_CAPI;
hycapi_tx_capiack(card);

2
drivers/isdn/i4l/isdn_common.c
View File

@ -829,7 +829,7 @@ isdn_readbchan(int di, int channel, u_char * buf, u_char * fp, int len, wait_que
dflag = 0;
}
count_put = count_pull;
memcpy(cp, skb->data, count_put);
skb_copy_from_linear_data(skb, cp, count_put);
cp += count_put;
len -= count_put;
#ifdef CONFIG_ISDN_AUDIO

7
drivers/isdn/i4l/isdn_ppp.c
View File

@ -1100,7 +1100,8 @@ isdn_ppp_push_higher(isdn_net_dev * net_dev, isdn_net_local * lp, struct sk_buff
goto drop_packet;
}
skb_put(skb, skb_old->len + 128);
memcpy(skb->data, skb_old->data, skb_old->len);
skb_copy_from_linear_data(skb_old, skb->data,
skb_old->len);
if (net_dev->local->ppp_slot < 0) {
printk(KERN_ERR "%s: net_dev->local->ppp_slot(%d) out of range\n",
__FUNCTION__, net_dev->local->ppp_slot);
@ -1902,7 +1903,9 @@ void isdn_ppp_mp_reassembly( isdn_net_dev * net_dev, isdn_net_local * lp,
while( from != to ) {
unsigned int len = from->len - MP_HEADER_LEN;
memcpy(skb_put(skb,len), from->data+MP_HEADER_LEN, len);
skb_copy_from_linear_data_offset(from, MP_HEADER_LEN,
skb_put(skb,len),
len);
frag = from->next;
isdn_ppp_mp_free_skb(mp, from);
from = frag;

3
drivers/isdn/isdnloop/isdnloop.c
View File

@ -415,7 +415,8 @@ isdnloop_sendbuf(int channel, struct sk_buff *skb, isdnloop_card * card)
spin_lock_irqsave(&card->isdnloop_lock, flags);
nskb = dev_alloc_skb(skb->len);
if (nskb) {
memcpy(skb_put(nskb, len), skb->data, len);
skb_copy_from_linear_data(skb,
skb_put(nskb, len), len);
skb_queue_tail(&card->bqueue[channel], nskb);
dev_kfree_skb(skb);
} else

12
drivers/isdn/pcbit/capi.c
View File

@ -429,8 +429,9 @@ int capi_decode_conn_ind(struct pcbit_chan * chan,
if (!(info->data.setup.CallingPN = kmalloc(len - count + 1, GFP_ATOMIC)))
return -1;
memcpy(info->data.setup.CallingPN, skb->data + count + 1,
len - count);
skb_copy_from_linear_data_offset(skb, count + 1,
info->data.setup.CallingPN,
len - count);
info->data.setup.CallingPN[len - count] = 0;
}
@ -457,8 +458,9 @@ int capi_decode_conn_ind(struct pcbit_chan * chan,
if (!(info->data.setup.CalledPN = kmalloc(len - count + 1, GFP_ATOMIC)))
return -1;
memcpy(info->data.setup.CalledPN, skb->data + count + 1,
len - count);
skb_copy_from_linear_data_offset(skb, count + 1,
info->data.setup.CalledPN,
len - count);
info->data.setup.CalledPN[len - count] = 0;
}
@ -539,7 +541,7 @@ int capi_decode_conn_actv_ind(struct pcbit_chan * chan, struct sk_buff *skb)
#ifdef DEBUG
if (len > 1 && len < 31) {
memcpy(str, skb->data + 2, len - 1);
skb_copy_from_linear_data_offset(skb, 2, str, len - 1);
str[len] = 0;
printk(KERN_DEBUG "Connected Party Number: %s\n", str);
}

4
drivers/media/dvb/dvb-core/dvb_net.c
View File

@ -697,7 +697,9 @@ static void dvb_net_ule( struct net_device *dev, const u8 *buf, size_t buf_len )
}
else
{
memcpy(dest_addr, priv->ule_skb->data, ETH_ALEN);
skb_copy_from_linear_data(priv->ule_skb,
dest_addr,
ETH_ALEN);
skb_pull(priv->ule_skb, ETH_ALEN);
}
}

6
drivers/message/fusion/mptlan.c
View File

@ -932,7 +932,7 @@ mpt_lan_receive_post_turbo(struct net_device *dev, u32 tmsg)
pci_dma_sync_single_for_cpu(mpt_dev->pcidev, priv->RcvCtl[ctx].dma,
priv->RcvCtl[ctx].len, PCI_DMA_FROMDEVICE);
memcpy(skb_put(skb, len), old_skb->data, len);
skb_copy_from_linear_data(old_skb, skb_put(skb, len), len);
pci_dma_sync_single_for_device(mpt_dev->pcidev, priv->RcvCtl[ctx].dma,
priv->RcvCtl[ctx].len, PCI_DMA_FROMDEVICE);
@ -1093,7 +1093,7 @@ mpt_lan_receive_post_reply(struct net_device *dev,
priv->RcvCtl[ctx].dma,
priv->RcvCtl[ctx].len,
PCI_DMA_FROMDEVICE);
memcpy(skb_put(skb, l), old_skb->data, l);
skb_copy_from_linear_data(old_skb, skb_put(skb, l), l);
pci_dma_sync_single_for_device(mpt_dev->pcidev,
priv->RcvCtl[ctx].dma,
@ -1122,7 +1122,7 @@ mpt_lan_receive_post_reply(struct net_device *dev,
priv->RcvCtl[ctx].len,
PCI_DMA_FROMDEVICE);
memcpy(skb_put(skb, len), old_skb->data, len);
skb_copy_from_linear_data(old_skb, skb_put(skb, len), len);
pci_dma_sync_single_for_device(mpt_dev->pcidev,
priv->RcvCtl[ctx].dma,

2
drivers/net/3c505.c
View File

@ -1025,7 +1025,7 @@ static int send_packet(struct net_device *dev, struct sk_buff *skb)
adapter->current_dma.start_time = jiffies;
if ((unsigned long)(skb->data + nlen) >= MAX_DMA_ADDRESS || nlen != skb->len) {
memcpy(adapter->dma_buffer, skb->data, nlen);
skb_copy_from_linear_data(skb, adapter->dma_buffer, nlen);
memset(adapter->dma_buffer+skb->len, 0, nlen-skb->len);
target = isa_virt_to_bus(adapter->dma_buffer);
}

2
drivers/net/3c523.c
View File

@ -1145,7 +1145,7 @@ static int elmc_send_packet(struct sk_buff *skb, struct net_device *dev)
if (len != skb->len)
memset((char *) p->xmit_cbuffs[p->xmit_count], 0, ETH_ZLEN);
memcpy((char *) p->xmit_cbuffs[p->xmit_count], (char *) (skb->data), skb->len);
skb_copy_from_linear_data(skb, p->xmit_cbuffs[p->xmit_count], skb->len);
#if (NUM_XMIT_BUFFS == 1)
#ifdef NO_NOPCOMMANDS

2
drivers/net/7990.c
View File

@ -567,7 +567,7 @@ int lance_start_xmit (struct sk_buff *skb, struct net_device *dev)
if (skb->len < ETH_ZLEN)
memset((char *)&ib->tx_buf[entry][0], 0, ETH_ZLEN);
memcpy ((char *)&ib->tx_buf [entry][0], skb->data, skblen);
skb_copy_from_linear_data(skb, &ib->tx_buf[entry][0], skblen);
/* Now, give the packet to the lance */
ib->btx_ring [entry].tmd1_bits = (LE_T1_POK|LE_T1_OWN);

2
drivers/net/a2065.c
View File

@ -598,7 +598,7 @@ static int lance_start_xmit (struct sk_buff *skb, struct net_device *dev)
ib->btx_ring [entry].length = (-len) | 0xf000;
ib->btx_ring [entry].misc = 0;
memcpy ((char *)&ib->tx_buf [entry][0], skb->data, skblen);
skb_copy_from_linear_data(skb, &ib->tx_buf [entry][0], skblen);
/* Clear the slack of the packet, do I need this? */
if (len != skblen)

3
drivers/net/arcnet/capmode.c
View File

@ -273,7 +273,8 @@ static int ack_tx(struct net_device *dev, int acked)
/* skb_pull(ackskb, ARC_HDR_SIZE); */
memcpy(ackpkt, lp->outgoing.skb->data, ARC_HDR_SIZE+sizeof(struct arc_cap));
skb_copy_from_linear_data(lp->outgoing.skb, ackpkt,
ARC_HDR_SIZE + sizeof(struct arc_cap));
ackpkt->soft.cap.proto=0; /* using protocol 0 for acknowledge */
ackpkt->soft.cap.mes.ack=acked;

3
drivers/net/atari_bionet.c
View File

@ -453,7 +453,8 @@ bionet_send_packet(struct sk_buff *skb, struct net_device *dev) {
stdma_lock(bionet_intr, NULL);
local_irq_restore(flags);
if( !STRAM_ADDR(buf+length-1) ) {
memcpy(nic_packet->buffer, skb->data, length);
skb_copy_from_linear_data(skb, nic_packet->buffer,
length);
buf = (unsigned long)&((struct nic_pkt_s *)phys_nic_packet)->buffer;
}

3
drivers/net/atari_pamsnet.c
View File

@ -717,7 +717,8 @@ pamsnet_send_packet(struct sk_buff *skb, struct net_device *dev) {
local_irq_restore(flags);
if( !STRAM_ADDR(buf+length-1) ) {
memcpy(nic_packet->buffer, skb->data, length);
skb_copy_from_linear_data(skb, nic_packet->buffer,
length);
buf = (unsigned long)phys_nic_packet;
}

2
drivers/net/au1000_eth.c
View File

@ -1125,7 +1125,7 @@ static int au1000_tx(struct sk_buff *skb, struct net_device *dev)
}
pDB = aup->tx_db_inuse[aup->tx_head];
memcpy((void *)pDB->vaddr, skb->data, skb->len);
skb_copy_from_linear_data(skb, pDB->vaddr, skb->len);
if (skb->len < ETH_ZLEN) {
for (i=skb->len; i<ETH_ZLEN; i++) {
((char *)pDB->vaddr)[i] = 0;

7
drivers/net/b44.c
View File

@ -828,8 +828,8 @@ static int b44_rx(struct b44 *bp, int budget)
skb_reserve(copy_skb, 2);
skb_put(copy_skb, len);
/* DMA sync done above, copy just the actual packet */
memcpy(copy_skb->data, skb->data+bp->rx_offset, len);
skb_copy_from_linear_data_offset(skb, bp->rx_offset,
copy_skb->data, len);
skb = copy_skb;
}
skb->ip_summed = CHECKSUM_NONE;
@ -1006,7 +1006,8 @@ static int b44_start_xmit(struct sk_buff *skb, struct net_device *dev)
goto err_out;
}
memcpy(skb_put(bounce_skb, len), skb->data, skb->len);
skb_copy_from_linear_data(skb, skb_put(bounce_skb, len),
skb->len);
dev_kfree_skb_any(skb);
skb = bounce_skb;
}

6
drivers/net/bnx2.c
View File

@ -1884,10 +1884,8 @@ bnx2_rx_int(struct bnx2 *bp, int budget)
goto reuse_rx;
/* aligned copy */
memcpy(new_skb->data,
skb->data + bp->rx_offset - 2,
len + 2);
skb_copy_from_linear_data_offset(skb, bp->rx_offset - 2,
new_skb->data, len + 2);
skb_reserve(new_skb, 2);
skb_put(new_skb, len);

4
drivers/net/cassini.c
View File

@ -2846,8 +2846,8 @@ static inline int cas_xmit_tx_ringN(struct cas *cp, int ring,
ctrl | TX_DESC_SOF, 0);
entry = TX_DESC_NEXT(ring, entry);
memcpy(tx_tiny_buf(cp, ring, entry), skb->data +
len - tabort, tabort);
skb_copy_from_linear_data_offset(skb, len - tabort,
tx_tiny_buf(cp, ring, entry), tabort);
mapping = tx_tiny_map(cp, ring, entry, tentry);
cas_write_txd(cp, ring, entry, mapping, tabort, ctrl,
(nr_frags == 0));

2
drivers/net/chelsio/sge.c
View File

@ -1062,7 +1062,7 @@ static inline struct sk_buff *get_packet(struct pci_dev *pdev,
pci_unmap_addr(ce, dma_addr),
pci_unmap_len(ce, dma_len),
PCI_DMA_FROMDEVICE);
memcpy(skb->data, ce->skb->data, len);
skb_copy_from_linear_data(ce->skb, skb->data, len);
pci_dma_sync_single_for_device(pdev,
pci_unmap_addr(ce, dma_addr),
pci_unmap_len(ce, dma_len),

5
drivers/net/cxgb3/sge.c
View File

@ -913,7 +913,8 @@ static void write_tx_pkt_wr(struct adapter *adap, struct sk_buff *skb,
if (skb->len <= WR_LEN - sizeof(*cpl)) {
q->sdesc[pidx].skb = NULL;
if (!skb->data_len)
memcpy(&d->flit[2], skb->data, skb->len);
skb_copy_from_linear_data(skb, &d->flit[2],
skb->len);
else
skb_copy_bits(skb, 0, &d->flit[2], skb->len);
@ -1771,7 +1772,7 @@ static struct sk_buff *get_packet(struct adapter *adap, struct sge_fl *fl,
__skb_put(skb, len);
pci_dma_sync_single_for_cpu(adap->pdev, mapping, len,
PCI_DMA_FROMDEVICE);
memcpy(skb->data, sd->t.skb->data, len);
skb_copy_from_linear_data(sd->t.skb, skb->data, len);
pci_dma_sync_single_for_device(adap->pdev, mapping, len,
PCI_DMA_FROMDEVICE);
} else if (!drop_thres)

2
drivers/net/dgrs.c
View File

@ -741,7 +741,7 @@ static int dgrs_start_xmit(struct sk_buff *skb, struct net_device *devN)
}
amt = min_t(unsigned int, len, rbdp->size - count);
memcpy( (char *) S2H(rbdp->buf) + count, skb->data + i, amt);
skb_copy_from_linear_data_offset(skb, i, S2H(rbdp->buf) + count, amt);
i += amt;
count += amt;
len -= amt;

5
drivers/net/eepro100.c
View File

@ -1804,8 +1804,9 @@ speedo_rx(struct net_device *dev)
eth_copy_and_sum(skb, sp->rx_skbuff[entry]->data, pkt_len, 0);
skb_put(skb, pkt_len);
#else
memcpy(skb_put(skb, pkt_len), sp->rx_skbuff[entry]->data,
pkt_len);
skb_copy_from_linear_data(sp->rx_skbuff[entry],
skb_put(skb, pkt_len),
pkt_len);
#endif
pci_dma_sync_single_for_device(sp->pdev, sp->rx_ring_dma[entry],
sizeof(struct RxFD) + pkt_len,

11
drivers/net/ehea/ehea_main.c
View File

@ -1306,7 +1306,7 @@ static void write_swqe2_TSO(struct sk_buff *skb,
if (skb_data_size >= headersize) {
/* copy immediate data */
memcpy(imm_data, skb->data, headersize);
skb_copy_from_linear_data(skb, imm_data, headersize);
swqe->immediate_data_length = headersize;
if (skb_data_size > headersize) {
@ -1337,7 +1337,7 @@ static void write_swqe2_nonTSO(struct sk_buff *skb,
*/
if (skb_data_size >= SWQE2_MAX_IMM) {
/* copy immediate data */
memcpy(imm_data, skb->data, SWQE2_MAX_IMM);
skb_copy_from_linear_data(skb, imm_data, SWQE2_MAX_IMM);
swqe->immediate_data_length = SWQE2_MAX_IMM;
@ -1350,7 +1350,7 @@ static void write_swqe2_nonTSO(struct sk_buff *skb,
swqe->descriptors++;
}
} else {
memcpy(imm_data, skb->data, skb_data_size);
skb_copy_from_linear_data(skb, imm_data, skb_data_size);
swqe->immediate_data_length = skb_data_size;
}
}
@ -1772,10 +1772,11 @@ static void ehea_xmit3(struct sk_buff *skb, struct net_device *dev,
/* copy (immediate) data */
if (nfrags == 0) {
/* data is in a single piece */
memcpy(imm_data, skb->data, skb->len);
skb_copy_from_linear_data(skb, imm_data, skb->len);
} else {
/* first copy data from the skb->data buffer ... */
memcpy(imm_data, skb->data, skb->len - skb->data_len);
skb_copy_from_linear_data(skb, imm_data,
skb->len - skb->data_len);
imm_data += skb->len - skb->data_len;
/* ... then copy data from the fragments */

4
drivers/net/fec_8xx/fec_main.c
View File

@ -551,7 +551,9 @@ static int fec_enet_rx_common(struct net_device *dev, int *budget)
skbn = dev_alloc_skb(pkt_len + 2);
if (skbn != NULL) {
skb_reserve(skbn, 2); /* align IP header */
memcpy(skbn->data, skb->data, pkt_len);
skb_copy_from_linear_data(skb
skbn->data,
pkt_len);
/* swap */
skbt = skb;
skb = skbn;

6
drivers/net/fs_enet/fs_enet-main.c
View File

@ -160,7 +160,8 @@ static int fs_enet_rx_napi(struct net_device *dev, int *budget)
skbn = dev_alloc_skb(pkt_len + 2);
if (skbn != NULL) {
skb_reserve(skbn, 2); /* align IP header */
memcpy(skbn->data, skb->data, pkt_len);
skb_copy_from_linear_data(skb,
skbn->data, pkt_len);
/* swap */
skbt = skb;
skb = skbn;
@ -293,7 +294,8 @@ static int fs_enet_rx_non_napi(struct net_device *dev)
skbn = dev_alloc_skb(pkt_len + 2);
if (skbn != NULL) {
skb_reserve(skbn, 2); /* align IP header */
memcpy(skbn->data, skb->data, pkt_len);
skb_copy_from_linear_data(skb,
skbn->data, pkt_len);
/* swap */
skbt = skb;
skb = skbn;

2
drivers/net/hamradio/dmascc.c
View File

@ -930,7 +930,7 @@ static int scc_send_packet(struct sk_buff *skb, struct net_device *dev)
/* Transfer data to DMA buffer */
i = priv->tx_head;
memcpy(priv->tx_buf[i], skb->data + 1, skb->len - 1);
skb_copy_from_linear_data_offset(skb, 1, priv->tx_buf[i], skb->len - 1);
priv->tx_len[i] = skb->len - 1;
/* Clear interrupts while we touch our circular buffers */

4
drivers/net/hamradio/hdlcdrv.c
View File

@ -317,7 +317,9 @@ void hdlcdrv_transmitter(struct net_device *dev, struct hdlcdrv_state *s)
dev_kfree_skb_irq(skb);
break;
}
memcpy(s->hdlctx.buffer, skb->data+1, pkt_len);
skb_copy_from_linear_data_offset(skb, 1,
s->hdlctx.buffer,
pkt_len);
dev_kfree_skb_irq(skb);
s->hdlctx.bp = s->hdlctx.buffer;
append_crc_ccitt(s->hdlctx.buffer, pkt_len);

4
drivers/net/hamradio/yam.c
View File

@ -638,7 +638,9 @@ static void yam_tx_byte(struct net_device *dev, struct yam_port *yp)
dev_kfree_skb_any(skb);
break;
}
memcpy(yp->tx_buf, skb->data + 1, yp->tx_len);
skb_copy_from_linear_data_offset(skb->data, 1,
yp->tx_buf,
yp->tx_len);
dev_kfree_skb_any(skb);
yp->tx_count = 0;
yp->tx_crcl = 0x21;

2
drivers/net/ioc3-eth.c
View File

@ -1443,7 +1443,7 @@ static int ioc3_start_xmit(struct sk_buff *skb, struct net_device *dev)
if (len <= 104) {
/* Short packet, let's copy it directly into the ring. */
memcpy(desc->data, skb->data, skb->len);
skb_copy_from_linear_data(skb, desc->data, skb->len);
if (len < ETH_ZLEN) {
/* Very short packet, pad with zeros at the end. */
memset(desc->data + len, 0, ETH_ZLEN - len);

5
drivers/net/irda/ali-ircc.c
View File

@ -1472,9 +1472,8 @@ static int ali_ircc_fir_hard_xmit(struct sk_buff *skb, struct net_device *dev)
self->stats.tx_bytes += skb->len;
memcpy(self->tx_fifo.queue[self->tx_fifo.free].start, skb->data,
skb->len);
skb_copy_from_linear_data(skb, self->tx_fifo.queue[self->tx_fifo.free].start,
skb->len);
self->tx_fifo.len++;
self->tx_fifo.free++;

2
drivers/net/irda/au1k_ir.c
View File

@ -526,7 +526,7 @@ static int au1k_irda_hard_xmit(struct sk_buff *skb, struct net_device *dev)
if (aup->speed == 4000000) {
/* FIR */
memcpy((void *)pDB->vaddr, skb->data, skb->len);
skb_copy_from_linear_data(skb, pDB->vaddr, skb->len);
ptxd->count_0 = skb->len & 0xff;
ptxd->count_1 = (skb->len >> 8) & 0xff;

2
drivers/net/irda/donauboe.c
View File

@ -1119,7 +1119,7 @@ dumpbufs(skb->data,skb->len,'>');
else
{
len = skb->len;
memcpy (self->tx_bufs[self->txs], skb->data, len);
skb_copy_from_linear_data(skb, self->tx_bufs[self->txs], len);
}
self->ring->tx[self->txs].len = len & 0x0fff;

4
drivers/net/irda/irda-usb.c
View File

@ -441,7 +441,7 @@ static int irda_usb_hard_xmit(struct sk_buff *skb, struct net_device *netdev)
goto drop;
}
memcpy(self->tx_buff + self->header_length, skb->data, skb->len);
skb_copy_from_linear_data(skb, self->tx_buff + self->header_length, skb->len);
/* Change setting for next frame */
if (self->capability & IUC_STIR421X) {
@ -902,7 +902,7 @@ static void irda_usb_receive(struct urb *urb)
if(docopy) {
/* Copy packet, so we can recycle the original */
memcpy(newskb->data, skb->data, urb->actual_length);
skb_copy_from_linear_data(skb, newskb->data, urb->actual_length);
/* Deliver this new skb */
dataskb = newskb;
/* And hook the old skb to the URB

4
drivers/net/irda/mcs7780.c
View File

@ -353,7 +353,7 @@ static unsigned mcs_wrap_fir_skb(const struct sk_buff *skb, __u8 *buf)
buf[0] = len & 0xff;
buf[1] = (len >> 8) & 0xff;
/* copy the data into the tx buffer. */
memcpy(buf+2, skb->data, skb->len);
skb_copy_from_linear_data(skb, buf + 2, skb->len);
/* put the fcs in the last four bytes in little endian order. */
buf[len - 4] = fcs & 0xff;
buf[len - 3] = (fcs >> 8) & 0xff;
@ -377,7 +377,7 @@ static unsigned mcs_wrap_mir_skb(const struct sk_buff *skb, __u8 *buf)
buf[0] = len & 0xff;
buf[1] = (len >> 8) & 0xff;
/* copy the data */
memcpy(buf+2, skb->data, skb->len);
skb_copy_from_linear_data(skb, buf + 2, skb->len);
/* put the fcs in last two bytes in little endian order. */
buf[len - 2] = fcs & 0xff;
buf[len - 1] = (fcs >> 8) & 0xff;

5
drivers/net/irda/nsc-ircc.c
View File

@ -1466,9 +1466,8 @@ static int nsc_ircc_hard_xmit_fir(struct sk_buff *skb, struct net_device *dev)
self->stats.tx_bytes += skb->len;
memcpy(self->tx_fifo.queue[self->tx_fifo.free].start, skb->data,
skb->len);
skb_copy_from_linear_data(skb, self->tx_fifo.queue[self->tx_fifo.free].start,
skb->len);
self->tx_fifo.len++;
self->tx_fifo.free++;

2
drivers/net/irda/pxaficp_ir.c
View File

@ -484,7 +484,7 @@ static int pxa_irda_hard_xmit(struct sk_buff *skb, struct net_device *dev)
unsigned long mtt = irda_get_mtt(skb);
si->dma_tx_buff_len = skb->len;
memcpy(si->dma_tx_buff, skb->data, skb->len);
skb_copy_from_linear_data(skb, si->dma_tx_buff, skb->len);
if (mtt)
while ((unsigned)(OSCR - si->last_oscr)/4 < mtt)

2
drivers/net/irda/smsc-ircc2.c
View File

@ -1162,7 +1162,7 @@ static int smsc_ircc_hard_xmit_fir(struct sk_buff *skb, struct net_device *dev)
self->new_speed = speed;
}
memcpy(self->tx_buff.head, skb->data, skb->len);
skb_copy_from_linear_data(skb, self->tx_buff.head, skb->len);
self->tx_buff.len = skb->len;
self->tx_buff.data = self->tx_buff.head;

4
drivers/net/irda/via-ircc.c
View File

@ -925,8 +925,8 @@ static int via_ircc_hard_xmit_fir(struct sk_buff *skb,
self->tx_fifo.tail += skb->len;
self->stats.tx_bytes += skb->len;
memcpy(self->tx_fifo.queue[self->tx_fifo.free].start, skb->data,
skb->len);
skb_copy_from_linear_data(skb,
self->tx_fifo.queue[self->tx_fifo.free].start, skb->len);
self->tx_fifo.len++;
self->tx_fifo.free++;
//F01 if (self->tx_fifo.len == 1) {

2
drivers/net/irda/vlsi_ir.c
View File

@ -993,7 +993,7 @@ static int vlsi_hard_start_xmit(struct sk_buff *skb, struct net_device *ndev)
goto drop;
}
else
memcpy(rd->buf, skb->data, len);
skb_copy_from_linear_data(skb, rd->buf, len);
}
rd->skb = skb; /* remember skb for tx-complete stats */

2
drivers/net/irda/w83977af_ir.c
View File

@ -529,7 +529,7 @@ int w83977af_hard_xmit(struct sk_buff *skb, struct net_device *dev)
/* Decide if we should use PIO or DMA transfer */
if (self->io.speed > PIO_MAX_SPEED) {
self->tx_buff.data = self->tx_buff.head;
memcpy(self->tx_buff.data, skb->data, skb->len);
skb_copy_from_linear_data(skb, self->tx_buff.data, skb->len);
self->tx_buff.len = skb->len;
mtt = irda_get_mtt(skb);

2
drivers/net/lance.c
View File

@ -988,7 +988,7 @@ static int lance_start_xmit(struct sk_buff *skb, struct net_device *dev)
if (lance_debug > 5)
printk("%s: bouncing a high-memory packet (%#x).\n",
dev->name, (u32)isa_virt_to_bus(skb->data));
memcpy(&lp->tx_bounce_buffs[entry], skb->data, skb->len);
skb_copy_from_linear_data(skb, &lp->tx_bounce_buffs[entry], skb->len);
lp->tx_ring[entry].base =
((u32)isa_virt_to_bus((lp->tx_bounce_buffs + entry)) & 0xffffff) | 0x83000000;
dev_kfree_skb(skb);

3
drivers/net/macmace.c
View File

@ -420,8 +420,7 @@ static int mace_xmit_start(struct sk_buff *skb, struct net_device *dev)
mp->stats.tx_bytes += skb->len;
/* We need to copy into our xmit buffer to take care of alignment and caching issues */
memcpy((void *) mp->tx_ring, skb->data, skb->len);
skb_copy_from_linear_data(skb, mp->tx_ring, skb->len);
/* load the Tx DMA and fire it off */

10
drivers/net/meth.c
View File

@ -608,7 +608,7 @@ static void meth_tx_short_prepare(struct meth_private *priv,
desc->header.raw = METH_TX_CMD_INT_EN | (len-1) | ((128-len) << 16);
/* maybe I should set whole thing to 0 first... */
memcpy(desc->data.dt + (120 - len), skb->data, skb->len);
skb_copy_from_linear_data(skb, desc->data.dt + (120 - len), skb->len);
if (skb->len < len)
memset(desc->data.dt + 120 - len + skb->len, 0, len-skb->len);
}
@ -626,8 +626,8 @@ static void meth_tx_1page_prepare(struct meth_private *priv,
/* unaligned part */
if (unaligned_len) {
memcpy(desc->data.dt + (120 - unaligned_len),
skb->data, unaligned_len);
skb_copy_from_linear_data(skb, desc->data.dt + (120 - unaligned_len),
unaligned_len);
desc->header.raw |= (128 - unaligned_len) << 16;
}
@ -652,8 +652,8 @@ static void meth_tx_2page_prepare(struct meth_private *priv,
desc->header.raw = METH_TX_CMD_INT_EN | TX_CATBUF1 | TX_CATBUF2| (skb->len - 1);
/* unaligned part */
if (unaligned_len){
memcpy(desc->data.dt + (120 - unaligned_len),
skb->data, unaligned_len);
skb_copy_from_linear_data(skb, desc->data.dt + (120 - unaligned_len),
unaligned_len);
desc->header.raw |= (128 - unaligned_len) << 16;
}

2
drivers/net/myri_sbus.c
View File

@ -502,7 +502,7 @@ static void myri_rx(struct myri_eth *mp, struct net_device *dev)
copy_skb->dev = dev;
DRX(("resv_and_put "));
skb_put(copy_skb, len);
memcpy(copy_skb->data, skb->data, len);
skb_copy_from_linear_data(skb, copy_skb->data, len);
/* Reuse original ring buffer. */
DRX(("reuse "));

6
drivers/net/netxen/netxen_nic_main.c
View File

@ -920,8 +920,10 @@ static int netxen_nic_xmit_frame(struct sk_buff *skb, struct net_device *netdev)
/* copy the next 64 bytes - should be enough except
* for pathological case
*/
memcpy((void *)hwdesc, (void *)(skb->data) +
first_hdr_len, hdr_len - first_hdr_len);
skb_copy_from_linear_data_offset(skb, first_hdr_len,
hwdesc,
(hdr_len -
first_hdr_len));
producer = get_next_index(producer, max_tx_desc_count);
}
}

2
drivers/net/ni52.c
View File

@ -1182,7 +1182,7 @@ static int ni52_send_packet(struct sk_buff *skb, struct net_device *dev)
else
#endif
{
memcpy((char *)p->xmit_cbuffs[p->xmit_count],(char *)(skb->data),skb->len);
skb_copy_from_linear_data(skb, p->xmit_cbuffs[p->xmit_count], skb->len);
len = skb->len;
if (len < ETH_ZLEN) {
len = ETH_ZLEN;

5
drivers/net/ni65.c
View File

@ -1176,8 +1176,9 @@ static int ni65_send_packet(struct sk_buff *skb, struct net_device *dev)
if( (unsigned long) (skb->data + skb->len) > 0x1000000) {
#endif
memcpy((char *) p->tmdbounce[p->tmdbouncenum] ,(char *)skb->data,
(skb->len > T_BUF_SIZE) ? T_BUF_SIZE : skb->len);
skb_copy_from_linear_data(skb, p->tmdbounce[p->tmdbouncenum],
skb->len > T_BUF_SIZE ? T_BUF_SIZE :
skb->len);
if (len > skb->len)
memset((char *)p->tmdbounce[p->tmdbouncenum]+skb->len, 0, len-skb->len);
dev_kfree_skb (skb);

2
drivers/net/pci-skeleton.c
View File

@ -1344,7 +1344,7 @@ static int netdrv_start_xmit (struct sk_buff *skb, struct net_device *dev)
tp->tx_info[entry].skb = skb;
/* tp->tx_info[entry].mapping = 0; */
memcpy (tp->tx_buf[entry], skb->data, skb->len);
skb_copy_from_linear_data(skb, tp->tx_buf[entry], skb->len);
/* Note: the chip doesn't have auto-pad! */
NETDRV_W32 (TxStatus0 + (entry * sizeof(u32)),

2
drivers/net/pcmcia/axnet_cs.c
View File

@ -1136,7 +1136,7 @@ static int ei_start_xmit(struct sk_buff *skb, struct net_device *dev)
ei_block_output(dev, length, skb->data, output_page);
else {
memset(packet, 0, ETH_ZLEN);
memcpy(packet, skb->data, skb->len);
skb_copy_from_linear_data(skb, packet, skb->len);
ei_block_output(dev, length, packet, output_page);
}

3
drivers/net/ppp_synctty.c
View File

@ -594,7 +594,8 @@ ppp_sync_txmunge(struct syncppp *ap, struct sk_buff *skb)
return NULL;
}
skb_reserve(npkt,2);
memcpy(skb_put(npkt,skb->len), skb->data, skb->len);
skb_copy_from_linear_data(skb,
skb_put(npkt, skb->len), skb->len);
kfree_skb(skb);
skb = npkt;
}

3
drivers/net/pppoe.c
View File

@ -869,7 +869,8 @@ static int __pppoe_xmit(struct sock *sk, struct sk_buff *skb)
goto abort;
skb_reserve(skb2, dev->hard_header_len + sizeof(struct pppoe_hdr));
memcpy(skb_put(skb2, skb->len), skb->data, skb->len);
skb_copy_from_linear_data(skb, skb_put(skb2, skb->len),
skb->len);
} else {
/* Make a clone so as to not disturb the original skb,
* give dev_queue_xmit something it can free.

3
drivers/net/qla3xxx.c
View File

@ -1927,7 +1927,8 @@ static void ql_process_macip_rx_intr(struct ql3_adapter *qdev,
* Copy the ethhdr from first buffer to second. This
* is necessary for 3022 IP completions.
*/
memcpy(skb_push(skb2, size), skb1->data + VLAN_ID_LEN, size);
skb_copy_from_linear_data_offset(skb1, VLAN_ID_LEN,
skb_push(skb2, size), size);
} else {
u16 checksum = le16_to_cpu(ib_ip_rsp_ptr->checksum);
if (checksum &

2
drivers/net/rrunner.c
View File

@ -1451,7 +1451,7 @@ static int rr_start_xmit(struct sk_buff *skb, struct net_device *dev)
}
skb_reserve(new_skb, 8);
skb_put(new_skb, len);
memcpy(new_skb->data, skb->data, len);
skb_copy_from_linear_data(skb, new_skb->data, len);
dev_kfree_skb(skb);
skb = new_skb;
}

2
drivers/net/sgiseeq.c
View File

@ -534,7 +534,7 @@ static int sgiseeq_start_xmit(struct sk_buff *skb, struct net_device *dev)
* entry and the HPC got to the end of the chain before we
* added this new entry and restarted it.
*/
memcpy((char *)(long)td->buf_vaddr, skb->data, skblen);
skb_copy_from_linear_data(skb, (char *)(long)td->buf_vaddr, skblen);
if (len != skblen)
memset((char *)(long)td->buf_vaddr + skb->len, 0, len-skblen);
td->tdma.cntinfo = (len & HPCDMA_BCNT) |

2
drivers/net/skge.c
View File

@ -2950,7 +2950,7 @@ static struct sk_buff *skge_rx_get(struct net_device *dev,
pci_dma_sync_single_for_cpu(skge->hw->pdev,
pci_unmap_addr(e, mapaddr),
len, PCI_DMA_FROMDEVICE);
memcpy(skb->data, e->skb->data, len);
skb_copy_from_linear_data(e->skb, skb->data, len);
pci_dma_sync_single_for_device(skge->hw->pdev,
pci_unmap_addr(e, mapaddr),
len, PCI_DMA_FROMDEVICE);

2
drivers/net/sky2.c
View File

@ -1971,7 +1971,7 @@ static struct sk_buff *receive_copy(struct sky2_port *sky2,
skb_reserve(skb, 2);
pci_dma_sync_single_for_cpu(sky2->hw->pdev, re->data_addr,
length, PCI_DMA_FROMDEVICE);
memcpy(skb->data, re->skb->data, length);
skb_copy_from_linear_data(re->skb, skb->data, length);
skb->ip_summed = re->skb->ip_summed;
skb->csum = re->skb->csum;
pci_dma_sync_single_for_device(sky2->hw->pdev, re->data_addr,

2
drivers/net/sun3_82586.c
View File

@ -1026,7 +1026,7 @@ static int sun3_82586_send_packet(struct sk_buff *skb, struct net_device *dev)
memset((char *)p->xmit_cbuffs[p->xmit_count], 0, ETH_ZLEN);
len = ETH_ZLEN;
}
memcpy((char *)p->xmit_cbuffs[p->xmit_count],(char *)(skb->data),skb->len);
skb_copy_from_linear_data(skb, p->xmit_cbuffs[p->xmit_count], skb->len);
#if (NUM_XMIT_BUFFS == 1)
# ifdef NO_NOPCOMMANDS

2
drivers/net/sun3lance.c
View File

@ -629,7 +629,7 @@ static int lance_start_xmit( struct sk_buff *skb, struct net_device *dev )
head->length = (-len) | 0xf000;
head->misc = 0;
memcpy( PKTBUF_ADDR(head), (void *)skb->data, skb->len );
skb_copy_from_linear_data(skb, PKTBUF_ADDR(head), skb->len);
if (len != skb->len)
memset(PKTBUF_ADDR(head) + skb->len, 0, len-skb->len);

2
drivers/net/sungem.c
View File

@ -848,7 +848,7 @@ static int gem_rx(struct gem *gp, int work_to_do)
skb_reserve(copy_skb, 2);
skb_put(copy_skb, len);
pci_dma_sync_single_for_cpu(gp->pdev, dma_addr, len, PCI_DMA_FROMDEVICE);
memcpy(copy_skb->data, skb->data, len);
skb_copy_from_linear_data(skb, copy_skb->data, len);
pci_dma_sync_single_for_device(gp->pdev, dma_addr, len, PCI_DMA_FROMDEVICE);
/* We'll reuse the original ring buffer. */

2
drivers/net/sunhme.c
View File

@ -2061,7 +2061,7 @@ static void happy_meal_rx(struct happy_meal *hp, struct net_device *dev)
skb_reserve(copy_skb, 2);
skb_put(copy_skb, len);
hme_dma_sync_for_cpu(hp, dma_addr, len, DMA_FROMDEVICE);
memcpy(copy_skb->data, skb->data, len);
skb_copy_from_linear_data(skb, copy_skb->data, len);
hme_dma_sync_for_device(hp, dma_addr, len, DMA_FROMDEVICE);
/* Reuse original ring buffer. */

2
drivers/net/sunlance.c
View File

@ -1143,7 +1143,7 @@ static int lance_start_xmit(struct sk_buff *skb, struct net_device *dev)
struct lance_init_block *ib = lp->init_block_mem;
ib->btx_ring [entry].length = (-len) | 0xf000;
ib->btx_ring [entry].misc = 0;
memcpy((char *)&ib->tx_buf [entry][0], skb->data, skblen);
skb_copy_from_linear_data(skb, &ib->tx_buf [entry][0], skblen);
if (len != skblen)
memset((char *) &ib->tx_buf [entry][skblen], 0, len - skblen);
ib->btx_ring [entry].tmd1_bits = (LE_T1_POK | LE_T1_OWN);

2
drivers/net/sunqe.c
View File

@ -592,7 +592,7 @@ static int qe_start_xmit(struct sk_buff *skb, struct net_device *dev)
/* Avoid a race... */
qep->qe_block->qe_txd[entry].tx_flags = TXD_UPDATE;
memcpy(txbuf, skb->data, len);
skb_copy_from_linear_data(skb, txbuf, len);
qep->qe_block->qe_txd[entry].tx_addr = txbuf_dvma;
qep->qe_block->qe_txd[entry].tx_flags =

2
drivers/net/tg3.c
View File

@ -3350,7 +3350,7 @@ static int tg3_rx(struct tg3 *tp, int budget)
skb_reserve(copy_skb, 2);
skb_put(copy_skb, len);
pci_dma_sync_single_for_cpu(tp->pdev, dma_addr, len, PCI_DMA_FROMDEVICE);
memcpy(copy_skb->data, skb->data, len);
skb_copy_from_linear_data(skb, copy_skb->data, len);
pci_dma_sync_single_for_device(tp->pdev, dma_addr, len, PCI_DMA_FROMDEVICE);
/* We'll reuse the original ring buffer. */

2
drivers/net/tlan.c
View File

@ -1112,7 +1112,7 @@ static int TLan_StartTx( struct sk_buff *skb, struct net_device *dev )
if ( bbuf ) {
tail_buffer = priv->txBuffer + ( priv->txTail * TLAN_MAX_FRAME_SIZE );
memcpy( tail_buffer, skb->data, skb->len );
skb_copy_from_linear_data(skb, tail_buffer, skb->len);
} else {
tail_list->buffer[0].address = pci_map_single(priv->pciDev, skb->data, skb->len, PCI_DMA_TODEVICE);
TLan_StoreSKB(tail_list, skb);

7
drivers/net/tokenring/3c359.c
View File

@ -937,14 +937,17 @@ static void xl_rx(struct net_device *dev)
copy_len = xl_priv->xl_rx_ring[xl_priv->rx_ring_tail].upfraglen & 0x7FFF ;
frame_length -= copy_len ;
pci_dma_sync_single_for_cpu(xl_priv->pdev,xl_priv->xl_rx_ring[xl_priv->rx_ring_tail].upfragaddr,xl_priv->pkt_buf_sz,PCI_DMA_FROMDEVICE) ;
memcpy(skb_put(skb,copy_len), xl_priv->rx_ring_skb[xl_priv->rx_ring_tail]->data, copy_len) ;
skb_copy_from_linear_data(xl_priv->rx_ring_skb[xl_priv->rx_ring_tail],
skb_put(skb, copy_len),
copy_len);
pci_dma_sync_single_for_device(xl_priv->pdev,xl_priv->xl_rx_ring[xl_priv->rx_ring_tail].upfragaddr,xl_priv->pkt_buf_sz,PCI_DMA_FROMDEVICE) ;
adv_rx_ring(dev) ;
}
/* Now we have found the last fragment */
pci_dma_sync_single_for_cpu(xl_priv->pdev,xl_priv->xl_rx_ring[xl_priv->rx_ring_tail].upfragaddr,xl_priv->pkt_buf_sz,PCI_DMA_FROMDEVICE) ;
memcpy(skb_put(skb,copy_len), xl_priv->rx_ring_skb[xl_priv->rx_ring_tail]->data, frame_length) ;
skb_copy_from_linear_data(xl_priv->rx_ring_skb[xl_priv->rx_ring_tail],
skb_put(skb,copy_len), frame_length);
/* memcpy(skb_put(skb,frame_length), bus_to_virt(xl_priv->xl_rx_ring[xl_priv->rx_ring_tail].upfragaddr), frame_length) ; */
pci_dma_sync_single_for_device(xl_priv->pdev,xl_priv->xl_rx_ring[xl_priv->rx_ring_tail].upfragaddr,xl_priv->pkt_buf_sz,PCI_DMA_FROMDEVICE) ;
adv_rx_ring(dev) ;

8
drivers/net/tokenring/olympic.c
View File

@ -845,7 +845,9 @@ static void olympic_rx(struct net_device *dev)
pci_dma_sync_single_for_cpu(olympic_priv->pdev,
le32_to_cpu(olympic_priv->olympic_rx_ring[rx_ring_last_received].buffer),
olympic_priv->pkt_buf_sz,PCI_DMA_FROMDEVICE) ;
memcpy(skb_put(skb,length-4),olympic_priv->rx_ring_skb[rx_ring_last_received]->data,length-4) ;
skb_copy_from_linear_data(olympic_priv->rx_ring_skb[rx_ring_last_received],
skb_put(skb,length - 4),
length - 4);
pci_dma_sync_single_for_device(olympic_priv->pdev,
le32_to_cpu(olympic_priv->olympic_rx_ring[rx_ring_last_received].buffer),
olympic_priv->pkt_buf_sz,PCI_DMA_FROMDEVICE) ;
@ -862,7 +864,9 @@ static void olympic_rx(struct net_device *dev)
olympic_priv->pkt_buf_sz,PCI_DMA_FROMDEVICE) ;
rx_desc = &(olympic_priv->olympic_rx_ring[rx_ring_last_received]);
cpy_length = (i == 1 ? frag_len : le32_to_cpu(rx_desc->res_length));
memcpy(skb_put(skb, cpy_length), olympic_priv->rx_ring_skb[rx_ring_last_received]->data, cpy_length) ;
skb_copy_from_linear_data(olympic_priv->rx_ring_skb[rx_ring_last_received],
skb_put(skb, cpy_length),
cpy_length);
pci_dma_sync_single_for_device(olympic_priv->pdev,
le32_to_cpu(olympic_priv->olympic_rx_ring[rx_ring_last_received].buffer),
olympic_priv->pkt_buf_sz,PCI_DMA_FROMDEVICE) ;

2
drivers/net/tokenring/tms380tr.c
View File

@ -644,7 +644,7 @@ static int tms380tr_hardware_send_packet(struct sk_buff *skb, struct net_device
dmabuf = 0;
i = tp->TplFree->TPLIndex;
buf = tp->LocalTxBuffers[i];
memcpy(buf, skb->data, length);
skb_copy_from_linear_data(skb, buf, length);
newbuf = ((char *)buf - (char *)tp) + tp->dmabuffer;
}
else {

4
drivers/net/tulip/de2104x.c
View File

@ -449,8 +449,8 @@ static void de_rx (struct de_private *de)
} else {
pci_dma_sync_single_for_cpu(de->pdev, mapping, len, PCI_DMA_FROMDEVICE);
skb_reserve(copy_skb, RX_OFFSET);
memcpy(skb_put(copy_skb, len), skb->data, len);
skb_copy_from_linear_data(skb, skb_put(copy_skb, len),
len);
pci_dma_sync_single_for_device(de->pdev, mapping, len, PCI_DMA_FROMDEVICE);
/* We'll reuse the original ring buffer. */

6
drivers/net/tulip/dmfe.c
View File

@ -682,7 +682,7 @@ static int dmfe_start_xmit(struct sk_buff *skb, struct DEVICE *dev)
/* transmit this packet */
txptr = db->tx_insert_ptr;
memcpy(txptr->tx_buf_ptr, skb->data, skb->len);
skb_copy_from_linear_data(skb, txptr->tx_buf_ptr, skb->len);
txptr->tdes1 = cpu_to_le32(0xe1000000 | skb->len);
/* Point to next transmit free descriptor */
@ -989,7 +989,9 @@ static void dmfe_rx_packet(struct DEVICE *dev, struct dmfe_board_info * db)
skb = newskb;
/* size less than COPY_SIZE, allocate a rxlen SKB */
skb_reserve(skb, 2); /* 16byte align */
memcpy(skb_put(skb, rxlen), rxptr->rx_skb_ptr->data, rxlen);
skb_copy_from_linear_data(rxptr->rx_skb_ptr,
skb_put(skb, rxlen),
rxlen);
dmfe_reuse_skb(db, rxptr->rx_skb_ptr);
} else
skb_put(skb, rxlen);

2
drivers/net/tulip/uli526x.c
View File

@ -583,7 +583,7 @@ static int uli526x_start_xmit(struct sk_buff *skb, struct net_device *dev)
/* transmit this packet */
txptr = db->tx_insert_ptr;
memcpy(txptr->tx_buf_ptr, skb->data, skb->len);
skb_copy_from_linear_data(skb, txptr->tx_buf_ptr, skb->len);
txptr->tdes1 = cpu_to_le32(0xe1000000 | skb->len);
/* Point to next transmit free descriptor */

6
drivers/net/tulip/xircom_cb.c
View File

@ -411,9 +411,9 @@ static int xircom_start_xmit(struct sk_buff *skb, struct net_device *dev)
sometimes sends more than you ask it to. */
memset(&card->tx_buffer[bufferoffsets[desc]/4],0,1536);
memcpy(&(card->tx_buffer[bufferoffsets[desc]/4]),skb->data,skb->len);
skb_copy_from_linear_data(skb,
&(card->tx_buffer[bufferoffsets[desc] / 4]),
skb->len);
/* FIXME: The specification tells us that the length we send HAS to be a multiple of
4 bytes. */

4
drivers/net/tulip/xircom_tulip_cb.c
View File

@ -915,7 +915,9 @@ xircom_start_xmit(struct sk_buff *skb, struct net_device *dev)
tp->tx_skbuff[entry] = skb;
if (tp->chip_id == X3201_3) {
memcpy(tp->tx_aligned_skbuff[entry]->data,skb->data,skb->len);
skb_copy_from_linear_data(skb,
tp->tx_aligned_skbuff[entry]->data,
skb->len);
tp->tx_ring[entry].buffer1 = virt_to_bus(tp->tx_aligned_skbuff[entry]->data);
} else
tp->tx_ring[entry].buffer1 = virt_to_bus(skb->data);

4
drivers/net/tun.c
View File

@ -386,8 +386,8 @@ static ssize_t tun_chr_aio_read(struct kiocb *iocb, const struct iovec *iv,
* - we are multicast promiscous.
* - we belong to the multicast group.
*/
memcpy(addr, skb->data,
min_t(size_t, sizeof addr, skb->len));
skb_copy_from_linear_data(skb, addr, min_t(size_t, sizeof addr,
skb->len));
bit_nr = ether_crc(sizeof addr, addr) >> 26;
if ((tun->if_flags & IFF_PROMISC) ||
memcmp(addr, tun->dev_addr, sizeof addr) == 0 ||

7
drivers/net/via-velocity.c
View File

@ -1339,7 +1339,8 @@ static inline int velocity_rx_copy(struct sk_buff **rx_skb, int pkt_size,
if (vptr->flags & VELOCITY_FLAGS_IP_ALIGN)
skb_reserve(new_skb, 2);
memcpy(new_skb->data, rx_skb[0]->data, pkt_size);
skb_copy_from_linear_data(rx_skb[0], new_skb->data,
pkt_size);
*rx_skb = new_skb;
ret = 0;
}
@ -1927,7 +1928,7 @@ static int velocity_xmit(struct sk_buff *skb, struct net_device *dev)
if (pktlen < ETH_ZLEN) {
/* Cannot occur until ZC support */
pktlen = ETH_ZLEN;
memcpy(tdinfo->buf, skb->data, skb->len);
skb_copy_from_linear_data(skb, tdinfo->buf, skb->len);
memset(tdinfo->buf + skb->len, 0, ETH_ZLEN - skb->len);
tdinfo->skb = skb;
tdinfo->skb_dma[0] = tdinfo->buf_dma;
@ -1943,7 +1944,7 @@ static int velocity_xmit(struct sk_buff *skb, struct net_device *dev)
int nfrags = skb_shinfo(skb)->nr_frags;
tdinfo->skb = skb;
if (nfrags > 6) {
memcpy(tdinfo->buf, skb->data, skb->len);
skb_copy_from_linear_data(skb, tdinfo->buf, skb->len);
tdinfo->skb_dma[0] = tdinfo->buf_dma;
td_ptr->tdesc0.pktsize =
td_ptr->td_buf[0].pa_low = cpu_to_le32(tdinfo->skb_dma[0]);

2
drivers/net/wan/lmc/lmc_main.c
View File

@ -1702,7 +1702,7 @@ static int lmc_rx (struct net_device *dev) /*fold00*/
if(!nsb) {
goto give_it_anyways;
}
memcpy(skb_put(nsb, len), skb->data, len);
skb_copy_from_linear_data(skb, skb_put(nsb, len), len);
nsb->protocol = lmc_proto_type(sc, skb);
skb_reset_mac_header(nsb);

2
drivers/net/wan/pc300_drv.c
View File

@ -1765,7 +1765,7 @@ cpc_trace(struct net_device *dev, struct sk_buff *skb_main, char rx_tx)
skb->data[7] = ']';
skb->data[8] = ':';
skb->data[9] = ' ';
memcpy(&skb->data[10], skb_main->data, skb_main->len);
skb_copy_from_linear_data(skb_main, &skb->data[10], skb_main->len);
netif_rx(skb);
}

2
drivers/net/wan/z85230.c
View File

@ -1782,7 +1782,7 @@ int z8530_queue_xmit(struct z8530_channel *c, struct sk_buff *skb)
*/
c->tx_next_ptr=c->tx_dma_buf[c->tx_dma_used];
c->tx_dma_used^=1; /* Flip temp buffer */
memcpy(c->tx_next_ptr, skb->data, skb->len);
skb_copy_from_linear_data(skb, c->tx_next_ptr, skb->len);
}
else
c->tx_next_ptr=skb->data;

4
drivers/net/wireless/atmel.c
View File

@ -827,14 +827,14 @@ static int start_tx(struct sk_buff *skb, struct net_device *dev)
if (priv->wep_is_on)
frame_ctl |= IEEE80211_FCTL_PROTECTED;
if (priv->operating_mode == IW_MODE_ADHOC) {
memcpy(&header.addr1, skb->data, 6);
skb_copy_from_linear_data(skb, &header.addr1, 6);
memcpy(&header.addr2, dev->dev_addr, 6);
memcpy(&header.addr3, priv->BSSID, 6);
} else {
frame_ctl |= IEEE80211_FCTL_TODS;
memcpy(&header.addr1, priv->CurrentBSSID, 6);
memcpy(&header.addr2, dev->dev_addr, 6);
memcpy(&header.addr3, skb->data, 6);
skb_copy_from_linear_data(skb, &header.addr3, 6);
}
if (priv->use_wpa)

3
drivers/net/wireless/bcm43xx/bcm43xx_dma.c
View File

@ -998,7 +998,8 @@ static void dma_tx_fragment(struct bcm43xx_dmaring *ring,
assert(0);
return;
}
memcpy(skb_put(bounce_skb, skb->len), skb->data, skb->len);
skb_copy_from_linear_data(skb, skb_put(bounce_skb, skb->len),
skb->len);
dev_kfree_skb_any(skb);
skb = bounce_skb;
}

13
drivers/net/wireless/hostap/hostap_80211_rx.c
View File

@ -933,12 +933,14 @@ void hostap_80211_rx(struct net_device *dev, struct sk_buff *skb,
if (frag == 0) {
/* copy first fragment (including full headers) into
* beginning of the fragment cache skb */
memcpy(skb_put(frag_skb, flen), skb->data, flen);
skb_copy_from_linear_data(skb, skb_put(frag_skb, flen),
flen);
} else {
/* append frame payload to the end of the fragment
* cache skb */
memcpy(skb_put(frag_skb, flen), skb->data + hdrlen,
flen);
skb_copy_from_linear_data_offset(skb, hdrlen,
skb_put(frag_skb,
flen), flen);
}
dev_kfree_skb(skb);
skb = NULL;
@ -1044,8 +1046,9 @@ void hostap_80211_rx(struct net_device *dev, struct sk_buff *skb,
skb->len >= ETH_HLEN + ETH_ALEN) {
/* Non-standard frame: get addr4 from its bogus location after
* the payload */
memcpy(skb->data + ETH_ALEN,
skb->data + skb->len - ETH_ALEN, ETH_ALEN);
skb_copy_from_linear_data_offset(skb, skb->len - ETH_ALEN,
skb->data + ETH_ALEN,
ETH_ALEN);
skb_trim(skb, skb->len - ETH_ALEN);
}

23
drivers/net/wireless/hostap/hostap_80211_tx.c
View File

@ -146,7 +146,8 @@ int hostap_data_start_xmit(struct sk_buff *skb, struct net_device *dev)
fc |= IEEE80211_FCTL_FROMDS | IEEE80211_FCTL_TODS;
/* From&To DS: Addr1 = RA, Addr2 = TA, Addr3 = DA,
* Addr4 = SA */
memcpy(&hdr.addr4, skb->data + ETH_ALEN, ETH_ALEN);
skb_copy_from_linear_data_offset(skb, ETH_ALEN,
&hdr.addr4, ETH_ALEN);
hdr_len += ETH_ALEN;
} else {
/* bogus 4-addr format to workaround Prism2 station
@ -159,7 +160,8 @@ int hostap_data_start_xmit(struct sk_buff *skb, struct net_device *dev)
/* SA from skb->data + ETH_ALEN will be added after
* frame payload; use hdr.addr4 as a temporary buffer
*/
memcpy(&hdr.addr4, skb->data + ETH_ALEN, ETH_ALEN);
skb_copy_from_linear_data_offset(skb, ETH_ALEN,
&hdr.addr4, ETH_ALEN);
need_tailroom += ETH_ALEN;
}
@ -174,24 +176,27 @@ int hostap_data_start_xmit(struct sk_buff *skb, struct net_device *dev)
else
memcpy(&hdr.addr1, local->bssid, ETH_ALEN);
memcpy(&hdr.addr2, dev->dev_addr, ETH_ALEN);
memcpy(&hdr.addr3, skb->data, ETH_ALEN);
skb_copy_from_linear_data(skb, &hdr.addr3, ETH_ALEN);
} else if (local->iw_mode == IW_MODE_MASTER && !to_assoc_ap) {
fc |= IEEE80211_FCTL_FROMDS;
/* From DS: Addr1 = DA, Addr2 = BSSID, Addr3 = SA */
memcpy(&hdr.addr1, skb->data, ETH_ALEN);
skb_copy_from_linear_data(skb, &hdr.addr1, ETH_ALEN);
memcpy(&hdr.addr2, dev->dev_addr, ETH_ALEN);
memcpy(&hdr.addr3, skb->data + ETH_ALEN, ETH_ALEN);
skb_copy_from_linear_data_offset(skb, ETH_ALEN, &hdr.addr3,
ETH_ALEN);
} else if (local->iw_mode == IW_MODE_INFRA || to_assoc_ap) {
fc |= IEEE80211_FCTL_TODS;
/* To DS: Addr1 = BSSID, Addr2 = SA, Addr3 = DA */
memcpy(&hdr.addr1, to_assoc_ap ?
local->assoc_ap_addr : local->bssid, ETH_ALEN);
memcpy(&hdr.addr2, skb->data + ETH_ALEN, ETH_ALEN);
memcpy(&hdr.addr3, skb->data, ETH_ALEN);
skb_copy_from_linear_data_offset(skb, ETH_ALEN, &hdr.addr2,
ETH_ALEN);
skb_copy_from_linear_data(skb, &hdr.addr3, ETH_ALEN);
} else if (local->iw_mode == IW_MODE_ADHOC) {
/* not From/To DS: Addr1 = DA, Addr2 = SA, Addr3 = BSSID */
memcpy(&hdr.addr1, skb->data, ETH_ALEN);
memcpy(&hdr.addr2, skb->data + ETH_ALEN, ETH_ALEN);
skb_copy_from_linear_data(skb, &hdr.addr1, ETH_ALEN);
skb_copy_from_linear_data_offset(skb, ETH_ALEN, &hdr.addr2,
ETH_ALEN);
memcpy(&hdr.addr3, local->bssid, ETH_ALEN);
}

4
drivers/net/wireless/hostap/hostap_ap.c
View File

@ -1277,8 +1277,8 @@ static char * ap_auth_make_challenge(struct ap_data *ap)
return NULL;
}
memcpy(tmpbuf, skb->data + ap->crypt->extra_mpdu_prefix_len,
WLAN_AUTH_CHALLENGE_LEN);
skb_copy_from_linear_data_offset(skb, ap->crypt->extra_mpdu_prefix_len,
tmpbuf, WLAN_AUTH_CHALLENGE_LEN);
dev_kfree_skb(skb);
return tmpbuf;

5
drivers/net/wireless/hostap/hostap_hw.c
View File

@ -1838,13 +1838,14 @@ static int prism2_tx_80211(struct sk_buff *skb, struct net_device *dev)
/* skb->data starts with txdesc->frame_control */
hdr_len = 24;
memcpy(&txdesc.frame_control, skb->data, hdr_len);
skb_copy_from_linear_data(skb, &txdesc.frame_control, hdr_len);
fc = le16_to_cpu(txdesc.frame_control);
if (WLAN_FC_GET_TYPE(fc) == IEEE80211_FTYPE_DATA &&
(fc & IEEE80211_FCTL_FROMDS) && (fc & IEEE80211_FCTL_TODS) &&
skb->len >= 30) {
/* Addr4 */
memcpy(txdesc.addr4, skb->data + hdr_len, ETH_ALEN);
skb_copy_from_linear_data_offset(skb, hdr_len, txdesc.addr4,
ETH_ALEN);
hdr_len += ETH_ALEN;
}

5
drivers/net/wireless/ipw2100.c
View File

@ -2416,8 +2416,9 @@ static void isr_rx(struct ipw2100_priv *priv, int i,
#ifdef IPW2100_RX_DEBUG
/* Make a copy of the frame so we can dump it to the logs if
* ieee80211_rx fails */
memcpy(packet_data, packet->skb->data,
min_t(u32, status->frame_size, IPW_RX_NIC_BUFFER_LENGTH));
skb_copy_from_linear_data(packet->skb, packet_data,
min_t(u32, status->frame_size,
IPW_RX_NIC_BUFFER_LENGTH));
#endif
if (!ieee80211_rx(priv->ieee, packet->skb, stats)) {

2
drivers/net/wireless/ipw2200.c
View File

@ -10355,7 +10355,7 @@ static void ipw_handle_promiscuous_tx(struct ipw_priv *priv,
rt_hdr->it_len = dst->len;
memcpy(skb_put(dst, len), src->data, len);
skb_copy_from_linear_data(src, skb_put(dst, len), len);
if (!ieee80211_rx(priv->prom_priv->ieee, dst, &dummystats))
dev_kfree_skb_any(dst);

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