md: raid0: Fix a memory leak when stopping a raid0 array.

raid0_stop() removes all references to the raid0 configuration but
misses to free the ->devlist buffer.

This patch closes this leak, removes a pointless initialization and
fixes a coding style issue in raid0_stop().

Signed-off-by: Andre Noll <maan@systemlinux.org>
Signed-off-by: NeilBrown <neilb@suse.de>

1 files changed, 2 insertions, 3 deletions

diff --git a/drivers/md/raid0.c b/drivers/md/raid0.c
index 99cee51734e5..0d62ad6df212 100644
--- a/drivers/md/raid0.c
+++ b/drivers/md/raid0.c
@@ -298,16 +298,15 @@ static int raid0_run(mddev_t *mddev)
         return 0;
 }
 
-static int raid0_stop (mddev_t *mddev)
+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->strip_zone);
-        conf->strip_zone = NULL;
+        kfree(conf->devlist);
         kfree(conf);
         mddev->private = NULL;
-
         return 0;
 }