tree b5c0d6cee7f88e7d6dfc99afc51ec2be066906a8
parent 582d2f7aedfde9e1a01170deb003df510aa778d3
author Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp> 1388659940 +0900
committer Steven Whitehouse <swhiteho@redhat.com> 1388665084 +0000

GFS2: Fix unsafe dereference in dump_holder()

GLOCK_BUG_ON() might call this function without RCU read lock. Make sure that
RCU read lock is held when using task_struct returned from pid_task().

Signed-off-by: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>
Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>