gre: fix a possible skb leak

commit 68c3316311 ("v4 GRE: Add TCP segmentation offload for GRE")
added a possible skb leak, because it frees only the head of segment
list, in case a skb_linearize() call fails.

This patch adds a kfree_skb_list() helper to fix the bug.

Signed-off-by: Eric Dumazet <edumazet@google.com>
Cc: Pravin B Shelar <pshelar@nicira.com>
Cc: Daniel Borkmann <dborkman@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Eric Dumazet
2013-06-24 06:26:00 -07:00
committed by David S. Miller
parent 2b7a5db060
commit bd8a7036c0
3 changed files with 14 additions and 9 deletions

View File

@@ -627,6 +627,7 @@ static inline struct rtable *skb_rtable(const struct sk_buff *skb)
}
extern void kfree_skb(struct sk_buff *skb);
extern void kfree_skb_list(struct sk_buff *segs);
extern void skb_tx_error(struct sk_buff *skb);
extern void consume_skb(struct sk_buff *skb);
extern void __kfree_skb(struct sk_buff *skb);