linux-kernel - [PATCH AUTOSEL for 4.9 34/52] xfs: quota: fix missed destroy of qi_tree

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Message-ID: <20180203180303.8490-34-alexander.levin@microsoft.com>
Date:   Sat, 3 Feb 2018 18:03:52 +0000
From:   Sasha Levin <Alexander.Levin@...rosoft.com>
To:     "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "stable@...r.kernel.org" <stable@...r.kernel.org>
CC:     Aliaksei Karaliou <akaraliou.dev@...il.com>,
        "Darrick J . Wong" <darrick.wong@...cle.com>,
        Sasha Levin <Alexander.Levin@...rosoft.com>
Subject: [PATCH AUTOSEL for 4.9 34/52] xfs: quota: fix missed destroy of
 qi_tree_lock

From: Aliaksei Karaliou <akaraliou.dev@...il.com>

[ 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@...il.com>
Reviewed-by: Darrick J. Wong <darrick.wong@...cle.com>
Signed-off-by: Darrick J. Wong <darrick.wong@...cle.com>
Signed-off-by: Sasha Levin <alexander.levin@...rosoft.com>
---
 fs/xfs/xfs_qm.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/fs/xfs/xfs_qm.c b/fs/xfs/xfs_qm.c
index 1fdd3face2d9..d0a86b72d921 100644
--- a/fs/xfs/xfs_qm.c
+++ b/fs/xfs/xfs_qm.c
@@ -735,6 +735,7 @@ 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;
-- 
2.11.0