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networking: use skb_put_zero() 

Use the recently introduced helper to replace the pattern of
skb_put() && memset(), this transformation was done with the
following spatch:

@@
identifier p;
expression len;
expression skb;
@@
-p = skb_put(skb, len);
-memset(p, 0, len);
+p = skb_put_zero(skb, len);

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Johannes Berg 2017-06-13 14:28:18 +02:00 committed by David S. Miller
parent 0e74008b66
commit aa9f979c41
7 changed files with 8 additions and 14 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
drivers/net/ethernet/apple/bmac.c
View File

@ -1218,8 +1218,7 @@ static void bmac_reset_and_enable(struct net_device *dev)
*/
skb = netdev_alloc_skb(dev, ETHERMINPACKET);
if (skb != NULL) {
data = skb_put(skb, ETHERMINPACKET);
memset(data, 0, ETHERMINPACKET);
data = skb_put_zero(skb, ETHERMINPACKET);
memcpy(data, dev->dev_addr, ETH_ALEN);
memcpy(data + ETH_ALEN, dev->dev_addr, ETH_ALEN);
bmac_transmit_packet(skb, dev);

3
drivers/net/ethernet/broadcom/bcm63xx_enet.c
View File

@ -609,8 +609,7 @@ static int bcm_enet_start_xmit(struct sk_buff *skb, struct net_device *dev)
dev_kfree_skb(skb);
skb = nskb;
}
data = skb_put(skb, needed);
memset(data, 0, needed);
data = skb_put_zero(skb, needed);
}
/* point to the next available desc */

3
drivers/net/ethernet/qualcomm/qca_spi.c
View File

@ -719,8 +719,7 @@ qcaspi_netdev_xmit(struct sk_buff *skb, struct net_device *dev)
qcafrm_create_header(ptmp, frame_len);
if (pad_len) {
ptmp = skb_put(skb, pad_len);
memset(ptmp, 0, pad_len);
ptmp = skb_put_zero(skb, pad_len);
}
ptmp = skb_put(skb, QCAFRM_FOOTER_LEN);

4
drivers/net/wireless/marvell/mwifiex/tdls.c
View File

@ -853,8 +853,8 @@ int mwifiex_send_tdls_action_frame(struct mwifiex_private *priv, const u8 *peer,
pkt_type = PKT_TYPE_MGMT;
tx_control = 0;
pos = skb_put(skb, MWIFIEX_MGMT_FRAME_HEADER_SIZE + sizeof(pkt_len));
memset(pos, 0, MWIFIEX_MGMT_FRAME_HEADER_SIZE + sizeof(pkt_len));
pos = skb_put_zero(skb,
MWIFIEX_MGMT_FRAME_HEADER_SIZE + sizeof(pkt_len));
memcpy(pos, &pkt_type, sizeof(pkt_type));
memcpy(pos + sizeof(pkt_type), &tx_control, sizeof(tx_control));

3
drivers/nfc/pn533/pn533.c
View File

@ -1043,8 +1043,7 @@ static struct sk_buff *pn533_alloc_poll_tg_frame(struct pn533 *dev)
get_random_bytes(felica + 2, 6);
/* NFCID3 */
nfcid3 = skb_put(skb, 10);
memset(nfcid3, 0, 10);
nfcid3 = skb_put_zero(skb, 10);
memcpy(nfcid3, felica, 8);
/* General bytes */

3
lib/nlattr.c
View File

@ -400,8 +400,7 @@ void *__nla_reserve_nohdr(struct sk_buff *skb, int attrlen)
{
void *start;
start = skb_put(skb, NLA_ALIGN(attrlen));
memset(start, 0, NLA_ALIGN(attrlen));
start = skb_put_zero(skb, NLA_ALIGN(attrlen));
return start;
}

3
net/sctp/sm_make_chunk.c
View File

@ -1296,8 +1296,7 @@ struct sctp_chunk *sctp_make_auth(const struct sctp_association *asoc)
retval->subh.auth_hdr = sctp_addto_chunk(retval, sizeof(sctp_authhdr_t),
&auth_hdr);
hmac = skb_put(retval->skb, hmac_desc->hmac_len);
memset(hmac, 0, hmac_desc->hmac_len);
hmac = skb_put_zero(retval->skb, hmac_desc->hmac_len);
/* Adjust the chunk header to include the empty MAC */
retval->chunk_hdr->length =