[PATCH] drm/nouveau/iccsense: fix ifnullfree.cocci warnings

[Martin Peres]

On 13/04/16 10:07, kbuild test robot wrote:
> drivers/gpu/drm/nouveau/nvkm/subdev/iccsense/base.c:133:2-7: 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: Karol Herbst <nouveau at karolherbst.de>
> Signed-off-by: Fengguang Wu <fengguang.wu at intel.com>
Signed-off-by: Martin Peres <martin.peres at free.fr>