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| author |   Herbert Xu <herbert@gondor.apana.org.au> | 2018-01-04 22:25:07 +1100 |
|---|---|---|
| committer |   Steffen Klassert <steffen.klassert@secunet.com> | 2018-01-05 09:33:14 +0100 |
| commit | d16b46e4fd8bc6063624605f25b8c0835bb1fbe3 (patch) | |
| tree | 2082d0d7f510842ede6ba05a671ed7d4693b7a09 /net/xfrm/xfrm_input.c | |
| parent | xfrm: fix rcu usage in xfrm_get_type_offload (diff) | |
| download | linux-dev-d16b46e4fd8bc6063624605f25b8c0835bb1fbe3.tar.xz linux-dev-d16b46e4fd8bc6063624605f25b8c0835bb1fbe3.zip | |
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.c | 2 |
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; } |