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[PATCH] dm snapshot: fix memory leak in error path

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  [PATCH] dm snapshot: fix memory leak in error path Michael Opdenacker <michael.opdenacker@free-electrons.com> - 2015-10-13 14:40 +0200

#1245673 — [PATCH] dm snapshot: fix memory leak in error path

Fix a memory leak in an error path (reported by Coverity CID 1326059)
Also add a missing workqueue deallocation in the same error path.

Signed-off-by: Michael Opdenacker <michael.opdenacker@free-electrons.com>
---
 drivers/md/dm-snap-persistent.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/md/dm-snap-persistent.c b/drivers/md/dm-snap-persistent.c
index aeacad9be51d..1e980fa8bb8b 100644
--- a/drivers/md/dm-snap-persistent.c
+++ b/drivers/md/dm-snap-persistent.c
@@ -879,6 +879,8 @@ static int persistent_ctr(struct dm_exception_store *store, char *options)
 			store->userspace_supports_overflow = true;
 		else {
 			DMERR("Unsupported persistent store option: %s", options);
+			destroy_workqueue(ps->metadata_wq);
+			kfree(ps);
 			return -EINVAL;
 		}
 	}
-- 
2.1.4

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