Re: [PATCH] btrfs: fix ifnullfree.cocci warnings

[David Sterba]

On Wed, Feb 17, 2016 at 07:04:41PM +0800, kbuild test robot wrote:
> fs/btrfs/volumes.c:1886:2-7: WARNING: NULL check before freeing functions like kfree, debugfs_remove, debugfs_remove_recursive or usb_free_urb is not needed. Maybe consider reorganizing relevant code to avoid passing NULL values.
> 
>  NULL check before some freeing functions is not needed.
> 
>  Based on checkpatch warning
>  "kfree(NULL) is safe this check is probably not required"
>  and kfreeaddr.cocci by Julia Lawall.
> 
> Generated by: scripts/coccinelle/free/ifnullfree.cocci
> 
> CC: Anand Jain <anand.jain@xxxxxxxxxx>
> Signed-off-by: Fengguang Wu <fengguang.wu@xxxxxxxxx>

Thanks, applied to the respective branch.