From: Herbert Xu <herbert@gondor.apana.org.au>
Date: Thu, 4 Jan 2018 11:25:07 +0000 (+1100)
Subject: xfrm: Use __skb_queue_tail in xfrm_trans_queue
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=bbd3b58030892e40a1d7d2b2fee52b2d1961eefe;p=pandora-kernel.git

xfrm: Use __skb_queue_tail in xfrm_trans_queue

commit d16b46e4fd8bc6063624605f25b8c0835bb1fbe3 upstream.

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>
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
---

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