Commit 4c035926 authored by Jakub Kicinski's avatar Jakub Kicinski
Browse files

net: restore napi_consume_skb()'s NULL-handling 



Commit e20dfbad ("net: fix napi_consume_skb() with alien skbs")
added a skb->cpu check to napi_consume_skb(), before the point where
napi_consume_skb() validated skb is not NULL.

Add an explicit check to the early exit condition.

Reviewed-by: default avatarEric Dumazet <edumazet@google.com>
Signed-off-by: default avatarJakub Kicinski <kuba@kernel.org>
parent 362a161b

net/core/skbuff.c

+1 −1
Original line number Diff line number Diff line
@@ -1490,7 +1490,7 @@ void napi_skb_free_stolen_head(struct sk_buff *skb) 
void napi_consume_skb(struct sk_buff *skb, int budget)

{

	/* Zero budget indicate non-NAPI context called us, like netpoll */

	if (unlikely(!budget)) {

	if (unlikely(!budget || !skb)) {

		dev_consume_skb_any(skb);

		return;

	}