xfrm: Refcount destination entry on xfrm_lookup
commite5a1f3787f4b43e828de2818faa6a0f658b87a63
authorSteffen Klassert <steffen.klassert@secunet.com>
Tue, 15 Mar 2011 21:12:49 +0000 (15 21:12 +0000)
committerGreg Kroah-Hartman <gregkh@suse.de>
Thu, 21 Apr 2011 21:32:34 +0000 (21 14:32 -0700)
tree37e3748d3101cdb40cd28ee52a46d51ee509f0e7
parentedc45d1e743b8b5a9366b7cafb53c80f4267fe1f
xfrm: Refcount destination entry on xfrm_lookup

[ Upstream commit fbd5060875d25f7764fd1c3d35b83a8ed1d88d7b ]

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>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
net/xfrm/xfrm_policy.c