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-rw-r--r--drivers/md/linear.c9
1 files changed, 8 insertions, 1 deletions
diff --git a/drivers/md/linear.c b/drivers/md/linear.c
index b0fcc7d02ad..fa211d80fc0 100644
--- a/drivers/md/linear.c
+++ b/drivers/md/linear.c
@@ -198,6 +198,7 @@ out:
static int linear_run (struct mddev *mddev)
{
struct linear_conf *conf;
+ int ret;
if (md_check_no_bitmap(mddev))
return -EINVAL;
@@ -211,7 +212,13 @@ static int linear_run (struct mddev *mddev)
blk_queue_merge_bvec(mddev->queue, linear_mergeable_bvec);
mddev->queue->backing_dev_info.congested_fn = linear_congested;
mddev->queue->backing_dev_info.congested_data = mddev;
- return md_integrity_register(mddev);
+
+ ret = md_integrity_register(mddev);
+ if (ret) {
+ kfree(conf);
+ mddev->private = NULL;
+ }
+ return ret;
}
static int linear_add(struct mddev *mddev, struct md_rdev *rdev)