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md/raid1: If md_integrity_register() failed,run() must free the mem 

Signed-off-by: majianpeng <majianpeng@gmail.com>
Signed-off-by: NeilBrown <neilb@suse.de>
hifive-unleashed-5.1
majianpeng 2012-04-02 09:48:38 +10:00 committed by NeilBrown
parent 0366ef8475
commit 5220ea1e64
1 changed files with 7 additions and 1 deletions
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8
drivers/md/raid1.c
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@ -2636,11 +2636,13 @@ static struct r1conf *setup_conf(struct mddev *mddev)
return ERR_PTR(err);
}
static int stop(struct mddev *mddev);
static int run(struct mddev *mddev)
{
struct r1conf *conf;
int i;
struct md_rdev *rdev;
int ret;
if (mddev->level != 1) {
printk(KERN_ERR "md/raid1:%s: raid level not set to mirroring (%d)\n",
@ -2705,7 +2707,11 @@ static int run(struct mddev *mddev)
mddev->queue->backing_dev_info.congested_data = mddev;
blk_queue_merge_bvec(mddev->queue, raid1_mergeable_bvec);
}
return md_integrity_register(mddev);
ret = md_integrity_register(mddev);
if (ret)
stop(mddev);
return ret;
}
static int stop(struct mddev *mddev)