Re: [PATCH cgroup/for-3.16] cgroup: fix rcu_read_lock() leak in update_if_frozen()

2014-05-13 Thread Tejun Heo
On Fri, May 09, 2014 at 11:29:41PM -0400, Tejun Heo wrote: > While updating cgroup_freezer locking, 68fafb77d827 ("cgroup_freezer: > replace freezer->lock with freezer_mutex") introduced a bug in > update_if_frozen() where it returns with rcu_read_lock() held. Fix it > by adding rcu_read_unlock()

Re: [PATCH cgroup/for-3.16] cgroup: fix rcu_read_lock() leak in update_if_frozen()

2014-05-13 Thread Tejun Heo
On Fri, May 09, 2014 at 11:29:41PM -0400, Tejun Heo wrote: While updating cgroup_freezer locking, 68fafb77d827 (cgroup_freezer: replace freezer-lock with freezer_mutex) introduced a bug in update_if_frozen() where it returns with rcu_read_lock() held. Fix it by adding rcu_read_unlock() before

[PATCH cgroup/for-3.16] cgroup: fix rcu_read_lock() leak in update_if_frozen()

2014-05-09 Thread Tejun Heo
While updating cgroup_freezer locking, 68fafb77d827 ("cgroup_freezer: replace freezer->lock with freezer_mutex") introduced a bug in update_if_frozen() where it returns with rcu_read_lock() held. Fix it by adding rcu_read_unlock() before returning. Signed-off-by: Tejun Heo Reported-by: kbuild

[PATCH cgroup/for-3.16] cgroup: fix rcu_read_lock() leak in update_if_frozen()

2014-05-09 Thread Tejun Heo
While updating cgroup_freezer locking, 68fafb77d827 (cgroup_freezer: replace freezer-lock with freezer_mutex) introduced a bug in update_if_frozen() where it returns with rcu_read_lock() held. Fix it by adding rcu_read_unlock() before returning. Signed-off-by: Tejun Heo t...@kernel.org