On Sun, 17 Jun 2018 10:48:22 +0200
Stefan Agner <stefan@xxxxxxxx> wrote:
> The statement always evaluates to true since the struct fields
> are arrays. This has shown up as a warning when compiling with
> clang:
> warning: address of array 'desc->layout.xstride' will always
> evaluate to 'true' [-Wpointer-bool-conversion]
>
> Check for values in the first plane instead.
>
> Signed-off-by: Stefan Agner <stefan@xxxxxxxx>
I'll add
Fixes: 1a396789f65a ("drm: add Atmel HLCDC Display Controller support")
Cc: stable@xxxxxxxxxxxxxxx
when applying.
Thanks,
Boris
> ---
> Changes in v2:
> - Check for first value instead of dropping if statement
> (subject was: drm/atmel-hlcdc: remove unnecessary if statement)
>
> drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_plane.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_plane.c b/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_plane.c
> index 73c875db45f4..47e0992f3908 100644
> --- a/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_plane.c
> +++ b/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_plane.c
> @@ -839,7 +839,7 @@ static int atmel_hlcdc_plane_init_properties(struct atmel_hlcdc_plane *plane)
> return ret;
> }
>
> - if (desc->layout.xstride && desc->layout.pstride) {
> + if (desc->layout.xstride[0] && desc->layout.pstride[0]) {
> int ret;
>
> ret = drm_plane_create_rotation_property(&plane->base,
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