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md/raid0: If md_integrity_register() fails, raid0_run() must free the mem.

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Signed-off-by: majianpeng <majianpeng@gmail.com>
Signed-off-by: NeilBrown <neilb@suse.de>
This commit is contained in:
majianpeng 2012-04-02 09:48:37 +10:00 committed by NeilBrown
parent 98d5561bfb
commit 0366ef8475
1 changed files with 8 additions and 1 deletions
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9
drivers/md/raid0.c
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@ -407,6 +407,8 @@ static sector_t raid0_size(struct mddev *mddev, sector_t sectors, int raid_disks
return array_sectors; return array_sectors;
} }
static int raid0_stop(struct mddev *mddev);
static int raid0_run(struct mddev *mddev) static int raid0_run(struct mddev *mddev)
{ {
struct r0conf *conf; struct r0conf *conf;
@ -454,7 +456,12 @@ static int raid0_run(struct mddev *mddev)
blk_queue_merge_bvec(mddev->queue, raid0_mergeable_bvec); blk_queue_merge_bvec(mddev->queue, raid0_mergeable_bvec);
dump_zones(mddev); 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) static int raid0_stop(struct mddev *mddev)