From 0366ef847581d692e197b88825867ca9ee00e358 Mon Sep 17 00:00:00 2001 From: majianpeng Date: Mon, 2 Apr 2012 09:48:37 +1000 Subject: [PATCH] md/raid0: If md_integrity_register() fails, raid0_run() must free the mem. Signed-off-by: majianpeng Signed-off-by: NeilBrown --- drivers/md/raid0.c | 9 ++++++++- 1 file changed, 8 insertions(+), 1 deletion(-) diff --git a/drivers/md/raid0.c b/drivers/md/raid0.c index 6f31f5596e0..c9809453a34 100644 --- a/drivers/md/raid0.c +++ b/drivers/md/raid0.c @@ -407,6 +407,8 @@ static sector_t raid0_size(struct mddev *mddev, sector_t sectors, int raid_disks return array_sectors; } +static int raid0_stop(struct mddev *mddev); + static int raid0_run(struct mddev *mddev) { struct r0conf *conf; @@ -454,7 +456,12 @@ static int raid0_run(struct mddev *mddev) 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) -- 2.39.5