From: Markus Elfring <[email protected]>
Date: Mon, 2 Feb 2015 15:30:37 +0100

The dm_table_destroy() function tests whether its argument is NULL and then
returns immediately. Thus the test around the call is not needed.

This issue was detected by using the Coccinelle software.

Signed-off-by: Markus Elfring <[email protected]>
---
 drivers/md/dm-ioctl.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/md/dm-ioctl.c b/drivers/md/dm-ioctl.c
index 73f791b..4fac6cf 100644
--- a/drivers/md/dm-ioctl.c
+++ b/drivers/md/dm-ioctl.c
@@ -1053,8 +1053,7 @@ static int do_resume(struct dm_ioctl *param)
         * Since dm_swap_table synchronizes RCU, nobody should be in
         * read-side critical section already.
         */
-       if (old_map)
-               dm_table_destroy(old_map);
+       dm_table_destroy(old_map);
 
        if (!r)
                __dev_status(md, param);
-- 
2.2.2

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