openkylin
/
linux
mirror of https://gitee.com/openkylin/linux.git
9
0
Fork 0
Code Issues Projects Releases Wiki Activity

net: fix network drivers ndo_start_xmit() return values (part 6) 

Fix up hamradio drivers that return an errno value to dev_queue_xmit(), causing
it to print a warning an free the skb.

- bpqether: skb is freed: use after free

Compile tested only.

Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Patrick McHardy 2009-06-12 05:20:01 +00:00 committed by David S. Miller
parent ae71bafdd4
commit 98ca4a46d2
1 changed files with 2 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

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

@ -274,7 +274,7 @@ static int bpq_xmit(struct sk_buff *skb, struct net_device *dev)
if ((newskb = skb_realloc_headroom(skb, AX25_BPQ_HEADER_LEN)) == NULL) {
printk(KERN_WARNING "bpqether: out of memory\n");
kfree_skb(skb);
return -ENOMEM;
return NETDEV_TX_OK;
}
if (skb->sk != NULL)
@ -294,7 +294,7 @@ static int bpq_xmit(struct sk_buff *skb, struct net_device *dev)
if ((dev = bpq_get_ether_dev(dev)) == NULL) {
dev->stats.tx_dropped++;
kfree_skb(skb);
return -ENODEV;
return NETDEV_TX_OK;
}
skb->protocol = ax25_type_trans(skb, dev);