[PATCH] md: remove unneeded NULL checks before kfree

This patch removes some unneeded checks of pointers being NULL before
calling kfree() on them.  kfree() handles NULL pointers just fine, checking
first is pointless.

Signed-off-by: Jesper Juhl <juhl-lkml@dif.dk>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

1 files changed, 5 insertions, 7 deletions

diff --git a/drivers/md/raid0.c b/drivers/md/raid0.c
index e7d934eca06f..e11dd14d0b43 100644
--- a/drivers/md/raid0.c
+++ b/drivers/md/raid0.c
@@ -371,10 +371,8 @@ static int raid0_run (mddev_t *mddev)
         return 0;
 
 out_free_conf:
-        if (conf->strip_zone)
-                kfree(conf->strip_zone);
-        if (conf->devlist)
-                kfree (conf->devlist);
+        kfree(conf->strip_zone);
+        kfree(conf->devlist);
         kfree(conf);
         mddev->private = NULL;
 out:
@@ -386,11 +384,11 @@ static int raid0_stop (mddev_t *mddev)
         raid0_conf_t *conf = mddev_to_conf(mddev);
 
         blk_sync_queue(mddev->queue); /* the unplug fn references 'conf'*/
-        kfree (conf->hash_table);
+        kfree(conf->hash_table);
         conf->hash_table = NULL;
-        kfree (conf->strip_zone);
+        kfree(conf->strip_zone);
         conf->strip_zone = NULL;
-        kfree (conf);
+        kfree(conf);
         mddev->private = NULL;
 
         return 0;