Re: [PATCH 3.9-stable] drbd: fix memory leak

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Yes, please.

> This patch looks like it should be in the 3.9-stable tree, should we apply
> it?
> 
> ------------------
> 
> From: "Lars Ellenberg <lars.ellenberg@xxxxxxxxxx>"
> 
> commit 94ad0a101415978be04945b2787be1e8e8a874db upstream
> 
> We forgot to free the disk_conf,
> so for each attach/detach cycle we leaked 336 bytes.
> 
> Signed-off-by: Philipp Reisner <philipp.reisner@xxxxxxxxxx>
> Signed-off-by: Lars Ellenberg <lars.ellenberg@xxxxxxxxxx>
> Signed-off-by: Jens Axboe <axboe@xxxxxxxxx>
> Signed-off-by: Jonghwan Choi <jhbird.choi@xxxxxxxxxxx>
> ---
>  drivers/block/drbd/drbd_main.c |    1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/drivers/block/drbd/drbd_main.c b/drivers/block/drbd/drbd_main.c
> index e98da67..54d03d4 100644
> --- a/drivers/block/drbd/drbd_main.c
> +++ b/drivers/block/drbd/drbd_main.c
> @@ -2795,6 +2795,7 @@ void drbd_free_bc(struct drbd_backing_dev *ldev)
>  	blkdev_put(ldev->backing_bdev, FMODE_READ | FMODE_WRITE |
> FMODE_EXCL);
>  	blkdev_put(ldev->md_bdev, FMODE_READ | FMODE_WRITE | FMODE_EXCL);
> 
> +	kfree(ldev->disk_conf);
>  	kfree(ldev);
>  }
--
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