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>

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;
 }