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authorHerbert Xu <herbert@gondor.apana.org.au>2018-01-04 22:25:07 +1100
committerSteffen Klassert <steffen.klassert@secunet.com>2018-01-05 09:33:14 +0100
commitd16b46e4fd8bc6063624605f25b8c0835bb1fbe3 (patch)
tree2082d0d7f510842ede6ba05a671ed7d4693b7a09 /net/xfrm/xfrm_input.c
parent2f10a61cee8fdb9f8da90f5db687e1862b22cf06 (diff)
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xfrm: Use __skb_queue_tail in xfrm_trans_queue
We do not need locking in xfrm_trans_queue because it is designed to use per-CPU buffers. However, the original code incorrectly used skb_queue_tail which takes the lock. This patch switches it to __skb_queue_tail instead. Reported-and-tested-by: Artem Savkov <asavkov@redhat.com> Fixes: acf568ee859f ("xfrm: Reinject transport-mode packets...") Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
Diffstat (limited to 'net/xfrm/xfrm_input.c')
-rw-r--r--net/xfrm/xfrm_input.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/net/xfrm/xfrm_input.c b/net/xfrm/xfrm_input.c
index 3f6f6f8c9fa5..5b2409746ae0 100644
--- a/net/xfrm/xfrm_input.c
+++ b/net/xfrm/xfrm_input.c
@@ -518,7 +518,7 @@ int xfrm_trans_queue(struct sk_buff *skb,
return -ENOBUFS;
XFRM_TRANS_SKB_CB(skb)->finish = finish;
- skb_queue_tail(&trans->queue, skb);
+ __skb_queue_tail(&trans->queue, skb);
tasklet_schedule(&trans->tasklet);
return 0;
}