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Date: Tue, 21 Jul 2009 18:25:26 +0800 From: Xiaotian Feng <dfeng@...hat.com> To: menage@...gle.com, lizf@...fujitsu.com, containers@...ts.linux-foundation.org Cc: linux-kernel@...r.kernel.org, Xiaotian Feng <dfeng@...hat.com> Subject: [PATCH] cgroup: fix reverse unlock sequence in cgroup_get_sb In cgroup_get_sb, the lock sequence is: mutex_lock(&inode->i_mutex); mutex_lock(&cgroup->mutex); so the last unlock sequence should be: mutex_unlock(&cgroup->mutex); mutex_unlock(&inode->i_mutex); Signed-off-by: Xiaotian Feng <dfeng@...hat.com> --- kernel/cgroup.c | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-) diff --git a/kernel/cgroup.c b/kernel/cgroup.c index 3737a68..11ef162 100644 --- a/kernel/cgroup.c +++ b/kernel/cgroup.c @@ -1140,8 +1140,8 @@ static int cgroup_get_sb(struct file_system_type *fs_type, BUG_ON(root->number_of_cgroups != 1); cgroup_populate_dir(root_cgrp); - mutex_unlock(&inode->i_mutex); mutex_unlock(&cgroup_mutex); + mutex_unlock(&inode->i_mutex); } simple_set_mnt(mnt, sb); -- 1.6.2.5 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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