[DRBD-user] [PATCH 1/1] drbd: Deletion of an unnecessary check before the function call "lc_destroy"

Roland Kammerer roland.kammerer at linbit.com
Thu Nov 20 10:47:34 CET 2014

Note: "permalinks" may not be as permanent as we would like,
direct links of old sources may well be a few messages off.


On Wed, Nov 19, 2014 at 01:43:34PM +0100, SF Markus Elfring wrote:
> From: Markus Elfring <elfring at users.sourceforge.net>
> Date: Wed, 19 Nov 2014 13:33:32 +0100
> 
> The lc_destroy() function tests whether its argument is NULL and then
> returns immediately. Thus the test around the call is not needed.
> 
> This issue was detected by using the Coccinelle software.
> 
> Signed-off-by: Markus Elfring <elfring at users.sourceforge.net>
> ---
>  drivers/block/drbd/drbd_nl.c | 3 +--
>  1 file changed, 1 insertion(+), 2 deletions(-)
> 
> diff --git a/drivers/block/drbd/drbd_nl.c b/drivers/block/drbd/drbd_nl.c
> index 1cd47df..0bcb3e0 100644
> --- a/drivers/block/drbd/drbd_nl.c
> +++ b/drivers/block/drbd/drbd_nl.c
> @@ -1115,8 +1115,7 @@ static int drbd_check_al_size(struct drbd_device *device, struct disk_conf *dc)
>  		lc_destroy(n);
>  		return -EBUSY;
>  	} else {
> -		if (t)
> -			lc_destroy(t);
> +		lc_destroy(t);
>  	}
>  	drbd_md_mark_dirty(device); /* we changed device->act_log->nr_elemens */
>  	return 0;
> -- 
> 2.1.3

Hi Markus,

as this is an uncritical patch, I only applied it to our internal drbd9
repo, so don't expect it to be mainline very soon.

Thanks for spotting this!

Regards, rck



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