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| author | Steffen Klassert <steffen.klassert@secunet.com> | 2011-03-15 21:12:49 +0000 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2011-03-16 12:55:36 -0700 |
| commit | fbd5060875d25f7764fd1c3d35b83a8ed1d88d7b (patch) | |
| tree | 2b92c1c37178af438bd0f2b1573b61cb64117418 /net | |
| parent | 8a4eb5734e8d1dc60a8c28576bbbdfdcc643626d (diff) | |
| download | linux-fbd5060875d25f7764fd1c3d35b83a8ed1d88d7b.tar.bz2 | |
xfrm: Refcount destination entry on xfrm_lookup
We return a destination entry without refcount if a socket
policy is found in xfrm_lookup. This triggers a warning on
a negative refcount when freeeing this dst entry. So take
a refcount in this case to fix it.
This refcount was forgotten when xfrm changed to cache bundles
instead of policies for outgoing flows.
Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
Acked-by: Timo Teräs <timo.teras@iki.fi>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net')
| -rw-r--r-- | net/xfrm/xfrm_policy.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/net/xfrm/xfrm_policy.c b/net/xfrm/xfrm_policy.c index 027e3c6fb7e4..15792d8b6272 100644 --- a/net/xfrm/xfrm_policy.c +++ b/net/xfrm/xfrm_policy.c @@ -1804,6 +1804,8 @@ restart: goto no_transform; } + dst_hold(&xdst->u.dst); + spin_lock_bh(&xfrm_policy_sk_bundle_lock); xdst->u.dst.next = xfrm_policy_sk_bundles; xfrm_policy_sk_bundles = &xdst->u.dst; |