gianfar: Carefully free skbs in functions called by netpoll.
netpoll can call functions in hard irq context that are ordinarily called in lesser contexts. For those functions use dev_kfree_skb_any and dev_consume_skb_any so skbs are freed safely from hard irq context. Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com> Signed-off-by: David S. Miller <davem@davemloft.net> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
parent
d2be4e171c
commit
8f9a789875
|
@ -2152,13 +2152,13 @@ static int gfar_start_xmit(struct sk_buff *skb, struct net_device *dev)
|
|||
skb_new = skb_realloc_headroom(skb, fcb_len);
|
||||
if (!skb_new) {
|
||||
dev->stats.tx_errors++;
|
||||
kfree_skb(skb);
|
||||
dev_kfree_skb_any(skb);
|
||||
return NETDEV_TX_OK;
|
||||
}
|
||||
|
||||
if (skb->sk)
|
||||
skb_set_owner_w(skb_new, skb->sk);
|
||||
consume_skb(skb);
|
||||
dev_consume_skb_any(skb);
|
||||
skb = skb_new;
|
||||
}
|
||||
|
||||
|
|
Loading…
Reference in New Issue