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Re: md/linear: If md_integrity_register() failed,linear_run() must free the mem. | |
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On Fri, 23 Mar 2012 10:29:19 +0800 "majianpeng" <majianpeng@xxxxxxxxx> wrote:
> >From df3b2e15fb325def8f5eaa076b328084dd86c421 Mon Sep 17 00:00:00 2001
> From: majianpeng <majianpeng@xxxxxxxxx>
> Date: Fri, 23 Mar 2012 10:09:18 +0800
> Subject: [PATCH] md/linear: If md_integrity_register() failed,linear_run()
> must free the mem.
>
>
> Signed-off-by: majianpeng <majianpeng@xxxxxxxxx>
> ---
> 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 b0fcc7d..fa211d8 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)
Applied, thanks.
NeilBrown
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