提交 ff3ea47c 编写于 作者: L Linus Torvalds

Merge master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6

* master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6:
  [BRIDGE]: fix locking and memory leak in br_add_bridge
  [IRDA]: Missing allocation result check in irlap_change_speed().
  [PPPOE]: Missing result check in __pppoe_xmit().
  [NET]: Eliminate unused /proc/sys/net/ethernet
  [NETCONSOLE]: Clean up initcall warning.
  [TCP]: Avoid skb_pull if possible when trimming head
......@@ -107,7 +107,7 @@ static int init_netconsole(void)
if(!configured) {
printk("netconsole: not configured, aborting\n");
return -EINVAL;
return 0;
}
if(netpoll_setup(&np))
......
......@@ -861,6 +861,9 @@ static int __pppoe_xmit(struct sock *sk, struct sk_buff *skb)
* give dev_queue_xmit something it can free.
*/
skb2 = skb_clone(skb, GFP_ATOMIC);
if (skb2 == NULL)
goto abort;
}
ph = (struct pppoe_hdr *) skb_push(skb2, sizeof(struct pppoe_hdr));
......
......@@ -300,25 +300,20 @@ int br_add_bridge(const char *name)
rtnl_lock();
if (strchr(dev->name, '%')) {
ret = dev_alloc_name(dev, dev->name);
if (ret < 0)
goto err1;
if (ret < 0) {
free_netdev(dev);
goto out;
}
}
ret = register_netdevice(dev);
if (ret)
goto err2;
goto out;
ret = br_sysfs_addbr(dev);
if (ret)
goto err3;
rtnl_unlock();
return 0;
err3:
unregister_netdev(dev);
err2:
free_netdev(dev);
err1:
unregister_netdevice(dev);
out:
rtnl_unlock();
return ret;
}
......
......@@ -3,6 +3,5 @@
#
obj-y += eth.o
obj-$(CONFIG_SYSCTL) += sysctl_net_ether.o
obj-$(subst m,y,$(CONFIG_IPX)) += pe2.o
obj-$(subst m,y,$(CONFIG_ATALK)) += pe2.o
/* -*- linux-c -*-
* sysctl_net_ether.c: sysctl interface to net Ethernet subsystem.
*
* Begun April 1, 1996, Mike Shaver.
* Added /proc/sys/net/ether directory entry (empty =) ). [MS]
*/
#include <linux/mm.h>
#include <linux/sysctl.h>
#include <linux/if_ether.h>
ctl_table ether_table[] = {
{0}
};
......@@ -642,7 +642,7 @@ int tcp_fragment(struct sock *sk, struct sk_buff *skb, u32 len, unsigned int mss
* eventually). The difference is that pulled data not copied, but
* immediately discarded.
*/
static unsigned char *__pskb_trim_head(struct sk_buff *skb, int len)
static void __pskb_trim_head(struct sk_buff *skb, int len)
{
int i, k, eat;
......@@ -667,7 +667,6 @@ static unsigned char *__pskb_trim_head(struct sk_buff *skb, int len)
skb->tail = skb->data;
skb->data_len -= len;
skb->len = skb->data_len;
return skb->tail;
}
int tcp_trim_head(struct sock *sk, struct sk_buff *skb, u32 len)
......@@ -676,12 +675,11 @@ int tcp_trim_head(struct sock *sk, struct sk_buff *skb, u32 len)
pskb_expand_head(skb, 0, 0, GFP_ATOMIC))
return -ENOMEM;
if (len <= skb_headlen(skb)) {
/* If len == headlen, we avoid __skb_pull to preserve alignment. */
if (unlikely(len < skb_headlen(skb)))
__skb_pull(skb, len);
} else {
if (__pskb_trim_head(skb, len-skb_headlen(skb)) == NULL)
return -ENOMEM;
}
else
__pskb_trim_head(skb, len - skb_headlen(skb));
TCP_SKB_CB(skb)->seq += len;
skb->ip_summed = CHECKSUM_HW;
......
......@@ -884,7 +884,8 @@ static void irlap_change_speed(struct irlap_cb *self, __u32 speed, int now)
if (now) {
/* Send down empty frame to trigger speed change */
skb = dev_alloc_skb(0);
irlap_queue_xmit(self, skb);
if (skb)
irlap_queue_xmit(self, skb);
}
}
......
......@@ -37,14 +37,6 @@ struct ctl_table net_table[] = {
.mode = 0555,
.child = core_table,
},
#ifdef CONFIG_NET
{
.ctl_name = NET_ETHER,
.procname = "ethernet",
.mode = 0555,
.child = ether_table,
},
#endif
#ifdef CONFIG_INET
{
.ctl_name = NET_IPV4,
......
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