From: Li RongQing <roy.qing.li@gmail.com>
Date: Wed, 29 Apr 2015 00:42:44 +0000 (+0800)
Subject: xfrm: fix a race in xfrm_state_lookup_byspi
X-Git-Tag: omap-for-v4.2/wakeirq-drivers-v2^2~2^2~26^2~14^2~6
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=bdddbf6996c0b9299efc97b8f66e06286f3aa8c9;p=pandora-kernel.git

xfrm: fix a race in xfrm_state_lookup_byspi

The returned xfrm_state should be hold before unlock xfrm_state_lock,
otherwise the returned xfrm_state maybe be released.

Fixes: c454997e6[{pktgen, xfrm} Introduce xfrm_state_lookup_byspi..]
Cc: Fan Du <fan.du@intel.com>
Signed-off-by: Li RongQing <roy.qing.li@gmail.com>
Acked-by: Fan Du <fan.du@intel.com>
Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
---

Reading git-diff-tree failed