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linux-sg2042
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Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6 

* 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6:
  [AF_KEY]: suppress a warning for 64k pages.
  [TIPC]: Fix headercheck wrt. tipc_config.h
  [COMPAT]: Fix build on COMPAT platforms when CONFIG_NET is disabled.
  [CONNECTOR]: Fix a spurious kfree_skb() call
  [COMPAT]: Fix new dev_ifname32 returning -EFAULT
  [NET]: Fix incorrect sg_mark_end() calls.
  [IPVS]: Remove /proc/net/ip_vs_lblcr
  [IPV6]: remove duplicate call to proc_net_remove
  [NETNS]: fix net released by rcu callback
  [NET]: Fix free_netdev on register_netdev failure.
  [WAN]: fix drivers/net/wan/lmc/ compilation
This commit is contained in:
Linus Torvalds 2007-10-31 07:46:51 -07:00
parent a3634d7169 298bb62175
commit dd13810b42
18 changed files with 111 additions and 173 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
drivers/connector/connector.c
View File

@ -218,7 +218,7 @@ static void cn_rx_skb(struct sk_buff *__skb)
skb->len < nlh->nlmsg_len ||
nlh->nlmsg_len > CONNECTOR_MAX_MSG_SIZE) {
kfree_skb(skb);
goto out;
return;
}
len = NLMSG_ALIGN(nlh->nlmsg_len);
@ -229,9 +229,6 @@ static void cn_rx_skb(struct sk_buff *__skb)
if (err < 0)
kfree_skb(skb);
}
out:
kfree_skb(__skb);
}
/*

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

@ -234,7 +234,7 @@ int lmc_ioctl (struct net_device *dev, struct ifreq *ifr, int cmd) /*fold00*/
sc->lmc_xinfo.Magic1 = 0xDEADBEEF;
if (copy_to_user(ifr->ifr_data, &sc->lmc_xinfo,
sizeof(struct lmc_xinfo))) {
sizeof(struct lmc_xinfo)))
ret = -EFAULT;
else
ret = 0;

2
fs/compat_ioctl.c
View File

@ -322,7 +322,7 @@ static int dev_ifname32(unsigned int fd, unsigned int cmd, unsigned long arg)
int err;
uifr = compat_alloc_user_space(sizeof(struct ifreq));
if (copy_in_user(uifr, compat_ptr(arg), sizeof(struct ifreq32)));
if (copy_in_user(uifr, compat_ptr(arg), sizeof(struct ifreq32)))
return -EFAULT;
err = sys_ioctl(fd, SIOCGIFNAME, (unsigned long)uifr);

1
include/linux/Kbuild
View File

@ -326,6 +326,7 @@ unifdef-y += sonypi.h
unifdef-y += soundcard.h
unifdef-y += stat.h
unifdef-y += stddef.h
unifdef-y += string.h
unifdef-y += synclink.h
unifdef-y += sysctl.h
unifdef-y += tcp.h

12
include/linux/string.h
View File

@ -3,16 +3,14 @@
/* We don't want strings.h stuff being user by user stuff by accident */
#ifdef __KERNEL__
#ifndef __KERNEL__
#include <string.h>
#else
#include <linux/compiler.h> /* for inline */
#include <linux/types.h> /* for size_t */
#include <linux/stddef.h> /* for NULL */
#ifdef __cplusplus
extern "C" {
#endif
extern char *strndup_user(const char __user *, long);
/*
@ -111,9 +109,5 @@ extern void *kmemdup(const void *src, size_t len, gfp_t gfp);
extern char **argv_split(gfp_t gfp, const char *str, int *argcp);
extern void argv_free(char **argv);
#ifdef __cplusplus
}
#endif
#endif
#endif /* _LINUX_STRING_H_ */

4
kernel/sys_ni.c
View File

@ -40,10 +40,14 @@ cond_syscall(sys_recvfrom);
cond_syscall(sys_recv);
cond_syscall(sys_socket);
cond_syscall(sys_setsockopt);
cond_syscall(compat_sys_setsockopt);
cond_syscall(sys_getsockopt);
cond_syscall(compat_sys_getsockopt);
cond_syscall(sys_shutdown);
cond_syscall(sys_sendmsg);
cond_syscall(compat_sys_sendmsg);
cond_syscall(sys_recvmsg);
cond_syscall(compat_sys_recvmsg);
cond_syscall(sys_socketcall);
cond_syscall(sys_futex);
cond_syscall(compat_sys_futex);

112
net/core/dev.c
View File

@ -3496,6 +3496,60 @@ static void net_set_todo(struct net_device *dev)
spin_unlock(&net_todo_list_lock);
}
static void rollback_registered(struct net_device *dev)
{
BUG_ON(dev_boot_phase);
ASSERT_RTNL();
/* Some devices call without registering for initialization unwind. */
if (dev->reg_state == NETREG_UNINITIALIZED) {
printk(KERN_DEBUG "unregister_netdevice: device %s/%p never "
"was registered\n", dev->name, dev);
WARN_ON(1);
return;
}
BUG_ON(dev->reg_state != NETREG_REGISTERED);
/* If device is running, close it first. */
dev_close(dev);
/* And unlink it from device chain. */
unlist_netdevice(dev);
dev->reg_state = NETREG_UNREGISTERING;
synchronize_net();
/* Shutdown queueing discipline. */
dev_shutdown(dev);
/* Notify protocols, that we are about to destroy
this device. They should clean all the things.
*/
call_netdevice_notifiers(NETDEV_UNREGISTER, dev);
/*
* Flush the unicast and multicast chains
*/
dev_addr_discard(dev);
if (dev->uninit)
dev->uninit(dev);
/* Notifier chain MUST detach us from master device. */
BUG_TRAP(!dev->master);
/* Remove entries from kobject tree */
netdev_unregister_kobject(dev);
synchronize_net();
dev_put(dev);
}
/**
* register_netdevice - register a network device
* @dev: device to register
@ -3633,8 +3687,10 @@ int register_netdevice(struct net_device *dev)
/* Notify protocols, that a new device appeared. */
ret = call_netdevice_notifiers(NETDEV_REGISTER, dev);
ret = notifier_to_errno(ret);
if (ret)
unregister_netdevice(dev);
if (ret) {
rollback_registered(dev);
dev->reg_state = NETREG_UNREGISTERED;
}
out:
return ret;
@ -3911,59 +3967,9 @@ void synchronize_net(void)
void unregister_netdevice(struct net_device *dev)
{
BUG_ON(dev_boot_phase);
ASSERT_RTNL();
/* Some devices call without registering for initialization unwind. */
if (dev->reg_state == NETREG_UNINITIALIZED) {
printk(KERN_DEBUG "unregister_netdevice: device %s/%p never "
"was registered\n", dev->name, dev);
WARN_ON(1);
return;
}
BUG_ON(dev->reg_state != NETREG_REGISTERED);
/* If device is running, close it first. */
dev_close(dev);
/* And unlink it from device chain. */
unlist_netdevice(dev);
dev->reg_state = NETREG_UNREGISTERING;
synchronize_net();
/* Shutdown queueing discipline. */
dev_shutdown(dev);
/* Notify protocols, that we are about to destroy
this device. They should clean all the things.
*/
call_netdevice_notifiers(NETDEV_UNREGISTER, dev);
/*
* Flush the unicast and multicast chains
*/
dev_addr_discard(dev);
if (dev->uninit)
dev->uninit(dev);
/* Notifier chain MUST detach us from master device. */
BUG_TRAP(!dev->master);
/* Remove entries from kobject tree */
netdev_unregister_kobject(dev);
rollback_registered(dev);
/* Finish processing unregister after unlock */
net_set_todo(dev);
synchronize_net();
dev_put(dev);
}
/**

2
net/core/net_namespace.c
View File

@ -112,6 +112,8 @@ out_undo:
if (ops->exit)
ops->exit(net);
}
rcu_barrier();
goto out;
}

16
net/core/skbuff.c
View File

@ -2028,8 +2028,8 @@ void __init skb_init(void)
* Fill the specified scatter-gather list with mappings/pointers into a
* region of the buffer space attached to a socket buffer.
*/
int
skb_to_sgvec(struct sk_buff *skb, struct scatterlist *sg, int offset, int len)
static int
__skb_to_sgvec(struct sk_buff *skb, struct scatterlist *sg, int offset, int len)
{
int start = skb_headlen(skb);
int i, copy = start - offset;
@ -2078,7 +2078,8 @@ skb_to_sgvec(struct sk_buff *skb, struct scatterlist *sg, int offset, int len)
if ((copy = end - offset) > 0) {
if (copy > len)
copy = len;
elt += skb_to_sgvec(list, sg+elt, offset - start, copy);
elt += __skb_to_sgvec(list, sg+elt, offset - start,
copy);
if ((len -= copy) == 0)
return elt;
offset += copy;
@ -2090,6 +2091,15 @@ skb_to_sgvec(struct sk_buff *skb, struct scatterlist *sg, int offset, int len)
return elt;
}
int skb_to_sgvec(struct sk_buff *skb, struct scatterlist *sg, int offset, int len)
{
int nsg = __skb_to_sgvec(skb, sg, offset, len);
__sg_mark_end(&sg[nsg - 1]);
return nsg;
}
/**
* skb_cow_data - Check that a socket buffer's data buffers are writable
* @skb: The socket buffer to check.

12
net/ipv4/esp4.c
View File

@ -111,9 +111,10 @@ static int esp_output(struct xfrm_state *x, struct sk_buff *skb)
goto unlock;
}
sg_init_table(sg, nfrags);
sg_mark_end(sg, skb_to_sgvec(skb, sg, esph->enc_data +
esp->conf.ivlen -
skb->data, clen));
skb_to_sgvec(skb, sg,
esph->enc_data +
esp->conf.ivlen -
skb->data, clen);
err = crypto_blkcipher_encrypt(&desc, sg, sg, clen);
if (unlikely(sg != &esp->sgbuf[0]))
kfree(sg);
@ -205,8 +206,9 @@ static int esp_input(struct xfrm_state *x, struct sk_buff *skb)
goto out;
}
sg_init_table(sg, nfrags);
sg_mark_end(sg, skb_to_sgvec(skb, sg, sizeof(*esph) + esp->conf.ivlen,
elen));
skb_to_sgvec(skb, sg,
sizeof(*esph) + esp->conf.ivlen,
elen);
err = crypto_blkcipher_decrypt(&desc, sg, sg, elen);
if (unlikely(sg != &esp->sgbuf[0]))
kfree(sg);

76
net/ipv4/ipvs/ip_vs_lblcr.c
View File

@ -48,8 +48,6 @@
/* for sysctl */
#include <linux/fs.h>
#include <linux/sysctl.h>
/* for proc_net_create/proc_net_remove */
#include <linux/proc_fs.h>
#include <net/net_namespace.h>
#include <net/ip_vs.h>
@ -547,71 +545,6 @@ static void ip_vs_lblcr_check_expire(unsigned long data)
mod_timer(&tbl->periodic_timer, jiffies+CHECK_EXPIRE_INTERVAL);
}
#ifdef CONFIG_IP_VS_LBLCR_DEBUG
static struct ip_vs_lblcr_table *lblcr_table_list;
/*
* /proc/net/ip_vs_lblcr to display the mappings of
* destination IP address <==> its serverSet
*/
static int
ip_vs_lblcr_getinfo(char *buffer, char **start, off_t offset, int length)
{
off_t pos=0, begin;
int len=0, size;
struct ip_vs_lblcr_table *tbl;
unsigned long now = jiffies;
int i;
struct ip_vs_lblcr_entry *en;
tbl = lblcr_table_list;
size = sprintf(buffer, "LastTime Dest IP address Server set\n");
pos += size;
len += size;
for (i=0; i<IP_VS_LBLCR_TAB_SIZE; i++) {
read_lock_bh(&tbl->lock);
list_for_each_entry(en, &tbl->bucket[i], list) {
char tbuf[16];
struct ip_vs_dest_list *d;
sprintf(tbuf, "%u.%u.%u.%u", NIPQUAD(en->addr));
size = sprintf(buffer+len, "%8lu %-16s ",
now-en->lastuse, tbuf);
read_lock(&en->set.lock);
for (d=en->set.list; d!=NULL; d=d->next) {
size += sprintf(buffer+len+size,
"%u.%u.%u.%u ",
NIPQUAD(d->dest->addr));
}
read_unlock(&en->set.lock);
size += sprintf(buffer+len+size, "\n");
len += size;
pos += size;
if (pos <= offset)
len=0;
if (pos >= offset+length) {
read_unlock_bh(&tbl->lock);
goto done;
}
}
read_unlock_bh(&tbl->lock);
}
done:
begin = len - (pos - offset);
*start = buffer + begin;
len -= begin;
if(len>length)
len = length;
return len;
}
#endif
static int ip_vs_lblcr_init_svc(struct ip_vs_service *svc)
{
int i;
@ -650,9 +583,6 @@ static int ip_vs_lblcr_init_svc(struct ip_vs_service *svc)
tbl->periodic_timer.expires = jiffies+CHECK_EXPIRE_INTERVAL;
add_timer(&tbl->periodic_timer);
#ifdef CONFIG_IP_VS_LBLCR_DEBUG
lblcr_table_list = tbl;
#endif
return 0;
}
@ -843,18 +773,12 @@ static int __init ip_vs_lblcr_init(void)
{
INIT_LIST_HEAD(&ip_vs_lblcr_scheduler.n_list);
sysctl_header = register_sysctl_table(lblcr_root_table);
#ifdef CONFIG_IP_VS_LBLCR_DEBUG
proc_net_create(&init_net, "ip_vs_lblcr", 0, ip_vs_lblcr_getinfo);
#endif
return register_ip_vs_scheduler(&ip_vs_lblcr_scheduler);
}
static void __exit ip_vs_lblcr_cleanup(void)
{
#ifdef CONFIG_IP_VS_LBLCR_DEBUG
proc_net_remove(&init_net, "ip_vs_lblcr");
#endif
unregister_sysctl_table(sysctl_header);
unregister_ip_vs_scheduler(&ip_vs_lblcr_scheduler);
}

2
net/ipv4/tcp_ipv4.c
View File

@ -1083,7 +1083,7 @@ static int tcp_v4_do_calc_md5_hash(char *md5_hash, struct tcp_md5sig_key *key,
sg_set_buf(&sg[block++], key->key, key->keylen);
nbytes += key->keylen;
sg_mark_end(sg, block);
__sg_mark_end(&sg[block - 1]);
/* Now store the Hash into the packet */
err = crypto_hash_init(desc);

4
net/ipv6/addrconf.c
View File

@ -4288,8 +4288,4 @@ void __exit addrconf_cleanup(void)
del_timer(&addr_chk_timer);
rtnl_unlock();
#ifdef CONFIG_PROC_FS
proc_net_remove(&init_net, "if_inet6");
#endif
}

13
net/ipv6/esp6.c
View File

@ -110,9 +110,10 @@ static int esp6_output(struct xfrm_state *x, struct sk_buff *skb)
goto unlock;
}
sg_init_table(sg, nfrags);
sg_mark_end(sg, skb_to_sgvec(skb, sg, esph->enc_data +
esp->conf.ivlen -
skb->data, clen));
skb_to_sgvec(skb, sg,
esph->enc_data +
esp->conf.ivlen -
skb->data, clen);
err = crypto_blkcipher_encrypt(&desc, sg, sg, clen);
if (unlikely(sg != &esp->sgbuf[0]))
kfree(sg);
@ -209,9 +210,9 @@ static int esp6_input(struct xfrm_state *x, struct sk_buff *skb)
}
}
sg_init_table(sg, nfrags);
sg_mark_end(sg, skb_to_sgvec(skb, sg,
sizeof(*esph) + esp->conf.ivlen,
elen));
skb_to_sgvec(skb, sg,
sizeof(*esph) + esp->conf.ivlen,
elen);
ret = crypto_blkcipher_decrypt(&desc, sg, sg, elen);
if (unlikely(sg != &esp->sgbuf[0]))
kfree(sg);

2
net/ipv6/tcp_ipv6.c
View File

@ -781,7 +781,7 @@ static int tcp_v6_do_calc_md5_hash(char *md5_hash, struct tcp_md5sig_key *key,
sg_set_buf(&sg[block++], key->key, key->keylen);
nbytes += key->keylen;
sg_mark_end(sg, block);
__sg_mark_end(&sg[block - 1]);
/* Now store the hash into the packet */
err = crypto_hash_init(desc);

4
net/key/af_key.c
View File

@ -395,9 +395,9 @@ static inline int pfkey_sec_ctx_len(struct sadb_x_sec_ctx *sec_ctx)
static inline int verify_sec_ctx_len(void *p)
{
struct sadb_x_sec_ctx *sec_ctx = (struct sadb_x_sec_ctx *)p;
int len;
int len = sec_ctx->sadb_x_ctx_len;
if (sec_ctx->sadb_x_ctx_len > PAGE_SIZE)
if (len > PAGE_SIZE)
return -EINVAL;
len = pfkey_sec_ctx_len(sec_ctx);

9
net/rxrpc/rxkad.c
View File

@ -237,7 +237,8 @@ static int rxkad_secure_packet_encrypt(const struct rxrpc_call *call,
len = data_size + call->conn->size_align - 1;
len &= ~(call->conn->size_align - 1);
sg_init_table(sg, skb_to_sgvec(skb, sg, 0, len));
sg_init_table(sg, nsg);
skb_to_sgvec(skb, sg, 0, len);
crypto_blkcipher_encrypt_iv(&desc, sg, sg, len);
_leave(" = 0");
@ -344,7 +345,7 @@ static int rxkad_verify_packet_auth(const struct rxrpc_call *call,
goto nomem;
sg_init_table(sg, nsg);
sg_mark_end(sg, skb_to_sgvec(skb, sg, 0, 8));
skb_to_sgvec(skb, sg, 0, 8);
/* start the decryption afresh */
memset(&iv, 0, sizeof(iv));
@ -426,7 +427,7 @@ static int rxkad_verify_packet_encrypt(const struct rxrpc_call *call,
}
sg_init_table(sg, nsg);
sg_mark_end(sg, skb_to_sgvec(skb, sg, 0, skb->len));
skb_to_sgvec(skb, sg, 0, skb->len);
/* decrypt from the session key */
payload = call->conn->key->payload.data;
@ -701,7 +702,7 @@ static void rxkad_sg_set_buf2(struct scatterlist sg[2],
nsg++;
}
sg_mark_end(sg, nsg);
__sg_mark_end(&sg[nsg - 1]);
ASSERTCMP(sg[0].length + sg[1].length, ==, buflen);
}

6
net/sunrpc/auth_gss/gss_krb5_crypto.c
View File

@ -211,8 +211,8 @@ encryptor(struct scatterlist *sg, void *data)
if (thislen == 0)
return 0;
sg_mark_end(desc->infrags, desc->fragno);
sg_mark_end(desc->outfrags, desc->fragno);
__sg_mark_end(&desc->infrags[desc->fragno - 1]);
__sg_mark_end(&desc->outfrags[desc->fragno - 1]);
ret = crypto_blkcipher_encrypt_iv(&desc->desc, desc->outfrags,
desc->infrags, thislen);
@ -293,7 +293,7 @@ decryptor(struct scatterlist *sg, void *data)
if (thislen == 0)
return 0;
sg_mark_end(desc->frags, desc->fragno);
__sg_mark_end(&desc->frags[desc->fragno - 1]);
ret = crypto_blkcipher_decrypt_iv(&desc->desc, desc->frags,
desc->frags, thislen);