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authorEric Dumazet <edumazet@google.com>2013-06-24 06:26:00 -0700
committerDavid S. Miller <davem@davemloft.net>2013-06-25 16:07:44 -0700
commitbd8a7036c06cf15779b31a5397d4afcb12be81ea (patch)
treed78794e12fb4ac0005f019e6a51e797230d38970 /include
parent2b7a5db060f5e7d7f79bc45f818e08b8f244a3b8 (diff)
downloadlinux-linaro-stable-bd8a7036c06cf15779b31a5397d4afcb12be81ea.tar.gz
gre: fix a possible skb leak
commit 68c331631143 ("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>
Diffstat (limited to 'include')
-rw-r--r--include/linux/skbuff.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h
index 9c676eae3968..dec1748cd002 100644
--- a/include/linux/skbuff.h
+++ b/include/linux/skbuff.h
@@ -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);