[PATCH 3.18 14/24] xfs: quota: fix missed destroy of qi_tree_lock

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3.18-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Aliaksei Karaliou <akaraliou.dev@xxxxxxxxx>


[ Upstream commit 2196881566225f3c3428d1a5f847a992944daa5b ]

xfs_qm_destroy_quotainfo() does not destroy quotainfo->qi_tree_lock
while destroys quotainfo->qi_quotaofflock.

Signed-off-by: Aliaksei Karaliou <akaraliou.dev@xxxxxxxxx>
Reviewed-by: Darrick J. Wong <darrick.wong@xxxxxxxxxx>
Signed-off-by: Darrick J. Wong <darrick.wong@xxxxxxxxxx>
Signed-off-by: Sasha Levin <alexander.levin@xxxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
 fs/xfs/xfs_qm.c |    1 +
 1 file changed, 1 insertion(+)

--- a/fs/xfs/xfs_qm.c
+++ b/fs/xfs/xfs_qm.c
@@ -703,6 +703,7 @@ xfs_qm_destroy_quotainfo(
 		IRELE(qi->qi_pquotaip);
 		qi->qi_pquotaip = NULL;
 	}
+	mutex_destroy(&qi->qi_tree_lock);
 	mutex_destroy(&qi->qi_quotaofflock);
 	kmem_free(qi);
 	mp->m_quotainfo = NULL;





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