xiaomi-sm8450/android_kernel_xiaomi_sm8450
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

[NET]: Wrap netdevice hardware header creation.

Browse Source 
Add inline for common usage of hardware header creation, and
fix bug in IPV6 mcast where the assumption about negative return is
an errno. Negative return from hard_header means not enough space
was available,(ie -N bytes).

Signed-off-by: Stephen Hemminger <shemminger@linux-foundation.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Stephen Hemminger
2007-10-09 01:36:32 -07:00
committed by David S. Miller
parent 4c94f8c0c9
commit 0c4e85813d
19 changed files with 63 additions and 70 deletions
Download Patch File Download Diff File Expand all files Collapse all files

15
net/ipv6/mcast.c
View File

@@ -1438,17 +1438,12 @@ static struct sk_buff *mld_newpack(struct net_device *dev, int size)
static inline int mld_dev_queue_xmit2(struct sk_buff *skb)
{
struct net_device *dev = skb->dev;
unsigned char ha[MAX_ADDR_LEN];
if (dev->hard_header) {
unsigned char ha[MAX_ADDR_LEN];
int err;
ndisc_mc_map(&ipv6_hdr(skb)->daddr, ha, dev, 1);
err = dev->hard_header(skb, dev, ETH_P_IPV6, ha, NULL, skb->len);
if (err < 0) {
kfree_skb(skb);
return err;
}
ndisc_mc_map(&ipv6_hdr(skb)->daddr, ha, dev, 1);
if (dev_hard_header(skb, dev, ETH_P_IPV6, ha, NULL, skb->len) < 0) {
kfree_skb(skb);
return -EINVAL;
}
return dev_queue_xmit(skb);
}