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Subject[PATCH AUTOSEL for 4.9 004/156] md-cluster: free md_cluster_info if node leave cluster
Date
From: Guoqing Jiang <gqjiang@suse.com>

[ Upstream commit 9c8043f337f14d1743006dfc59c03e80a42e3884 ]

To avoid memory leak, we need to free the cinfo which
is allocated when node join cluster.

Reviewed-by: NeilBrown <neilb@suse.com>
Signed-off-by: Guoqing Jiang <gqjiang@suse.com>
Signed-off-by: Shaohua Li <shli@fb.com>
Signed-off-by: Sasha Levin <alexander.levin@verizon.com>
---
drivers/md/md-cluster.c | 1 +
1 file changed, 1 insertion(+)

diff --git a/drivers/md/md-cluster.c b/drivers/md/md-cluster.c
index 2b13117fb918..ba7edcdd09ce 100644
--- a/drivers/md/md-cluster.c
+++ b/drivers/md/md-cluster.c
@@ -974,6 +974,7 @@ static int leave(struct mddev *mddev)
lockres_free(cinfo->bitmap_lockres);
unlock_all_bitmaps(mddev);
dlm_release_lockspace(cinfo->lockspace, 2);
+ kfree(cinfo);
return 0;
}

--
2.11.0
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