commit 644df1a85fc4b0c7a16800f55717261546f4e651
author Julia Lawall <Julia.Lawall@lip6.fr> Sun Sep 13 14:15:10 2015 +0200
committer NeilBrown <neilb@suse.com> Fri Oct 02 17:23:44 2015 +1000
tree 30ed717350163c534c5923d0557f5dafa4a43053
parent d4929add83ad4660b1824a9282ab5dd4d60140fa

md: drop null test before destroy functions

Remove unneeded NULL test.

The semantic patch that makes this change is as follows:
(http://coccinelle.lip6.fr/)

// <smpl>
@@ expression x; @@
-if (x != NULL)
  \(kmem_cache_destroy\|mempool_destroy\|dma_pool_destroy\)(x);
// </smpl>

Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr>
Signed-off-by: NeilBrown <neilb@suse.com>

drivers/md/multipath.c

diff --git a/drivers/md/multipath.c b/drivers/md/multipath.c
index d222522..d132f06 100644
--- a/drivers/md/multipath.c
+++ b/drivers/md/multipath.c
@@ -470,8 +470,7 @@
 	return 0;
 
 out_free_conf:
-	if (conf->pool)
-		mempool_destroy(conf->pool);
+	mempool_destroy(conf->pool);
 	kfree(conf->multipaths);
 	kfree(conf);
 	mddev->private = NULL;