md/raid0: If md_integrity_register() fails, raid0_run() must free the mem.
Signed-off-by: majianpeng <majianpeng@gmail.com>
Signed-off-by: NeilBrown <neilb@suse.de>
diff --git a/drivers/md/raid0.c b/drivers/md/raid0.c
index 6f31f55..c980945 100644
--- a/drivers/md/raid0.c
+++ b/drivers/md/raid0.c
@@ -407,6 +407,8 @@
return array_sectors;
}
+static int raid0_stop(struct mddev *mddev);
+
static int raid0_run(struct mddev *mddev)
{
struct r0conf *conf;
@@ -454,7 +456,12 @@
blk_queue_merge_bvec(mddev->queue, raid0_mergeable_bvec);
dump_zones(mddev);
- return md_integrity_register(mddev);
+
+ ret = md_integrity_register(mddev);
+ if (ret)
+ raid0_stop(mddev);
+
+ return ret;
}
static int raid0_stop(struct mddev *mddev)