Re: [PATCH] drm: rcar-du: Fix the return value in case of error in 'rcar_du_crtc_set_crc_source()'

From: Laurent Pinchart
Date: Tue Oct 16 2018 - 06:07:13 EST


Hi Christophe,

Thank you for the patch.

On Tuesday, 16 October 2018 09:58:25 EEST Christophe JAILLET wrote:
> We return 0 unconditionally in 'rcar_du_crtc_set_crc_source()'.
> However, 'ret' is set to some error codes if some function calls fail.
>
> Return 'ret' instead to propagate the error code.
>
> Fixes: 47a52d024e89 ("media: drm: rcar-du: Add support for CRC computation")
> Signed-off-by: Christophe JAILLET <christophe.jaillet@xxxxxxxxxx>

Reviewed-by: Laurent Pinchart <laurent.pinchart@xxxxxxxxxxxxxxxx>

and applied to my tree.

> ---
> drivers/gpu/drm/rcar-du/rcar_du_crtc.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/rcar-du/rcar_du_crtc.c
> b/drivers/gpu/drm/rcar-du/rcar_du_crtc.c index 8a9e5e6f16b4..6eb0a95ad5a6
> 100644
> --- a/drivers/gpu/drm/rcar-du/rcar_du_crtc.c
> +++ b/drivers/gpu/drm/rcar-du/rcar_du_crtc.c
> @@ -940,7 +940,7 @@ static int rcar_du_crtc_set_crc_source(struct drm_crtc
> *crtc, drm_modeset_drop_locks(&ctx);
> drm_modeset_acquire_fini(&ctx);
>
> - return 0;
> + return ret;
> }
>
> static const struct drm_crtc_funcs crtc_funcs_gen2 = {


--
Regards,

Laurent Pinchart