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| author | majianpeng <majianpeng@gmail.com> | 2012-04-02 09:48:37 +1000 |
|---|---|---|
| committer | NeilBrown <neilb@suse.de> | 2012-04-02 09:48:37 +1000 |
| commit | 98d5561bfbc3c7a53d6abc1812a2bd5344d36fa3 (patch) | |
| tree | 6397046f8dc7a82986ebd7e442491dc118d1a850 | |
| parent | dd775ae2549217d3ae09363e3edb305d0fa19928 (diff) | |
| download | linux-98d5561bfbc3c7a53d6abc1812a2bd5344d36fa3.tar.bz2 | |
md/linear: If md_integrity_register() fails, linear_run() must free the mem.
Signed-off-by: majianpeng <majianpeng@gmail.com>
Signed-off-by: NeilBrown <neilb@suse.de>
| -rw-r--r-- | drivers/md/linear.c | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/drivers/md/linear.c b/drivers/md/linear.c index b0fcc7d02adb..fa211d80fc0a 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) |