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(parent: e5ced8e) | patch
cgroup: fix rcu_read_lock() leak in update_if_frozen()
authorTejun Heo <tj@kernel.org>
Tue, 13 May 2014 15:28:30 +0000 (11:28 -0400)
committerTejun Heo <tj@kernel.org>
Tue, 13 May 2014 15:28:30 +0000 (11:28 -0400)
commit36e9d2ebcc15d029b33f42a36146ab5a5bcfcfe7
tree8de644b8fb941ee475163b59ad76506a647a9d85tree | snapshot (tar.gz zip)
parente5ced8ebb10c20a3b349bd798b69ccabd3b25d21commit | diff
cgroup: fix rcu_read_lock() leak in update_if_frozen()

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 <tj@kernel.org>
Reported-by: kbuild test robot <fengguang.wu@intel.com>
kernel/cgroup_freezer.c diff | blob | blame | history
Motorola kernel-slsi