Patch "xfs: quota: fix missed destroy of qi_tree_lock" has been added to the 4.4-stable tree

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This is a note to let you know that I've just added the patch titled

    xfs: quota: fix missed destroy of qi_tree_lock

to the 4.4-stable tree which can be found at:
    http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary

The filename of the patch is:
     xfs-quota-fix-missed-destroy-of-qi_tree_lock.patch
and it can be found in the queue-4.4 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.


>From foo@baz Wed Feb 28 16:19:30 CET 2018
From: Aliaksei Karaliou <akaraliou.dev@xxxxxxxxx>
Date: Thu, 21 Dec 2017 13:18:26 -0800
Subject: xfs: quota: fix missed destroy of qi_tree_lock

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
@@ -701,6 +701,7 @@ 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;


Patches currently in stable-queue which might be from akaraliou.dev@xxxxxxxxx are

queue-4.4/xfs-quota-fix-missed-destroy-of-qi_tree_lock.patch
queue-4.4/xfs-quota-check-result-of-register_shrinker.patch



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