[PATCH 2/2] drm/crtc_helper/set_config: Remove redundant NULL pointer check on set->mode
Daniel Vetter
daniel at ffwll.ch
Thu Jan 14 06:22:57 PST 2016
On Thu, Jan 14, 2016 at 02:00:10PM +0800, Liu Ying wrote:
> We've done sanity NULL pointer check on set->mode at the beginning of
> drm_crtc_helper_set_config() and bailed out if necessary, thus any later on
> check is redundant.
>
> Signed-off-by: Liu Ying <gnuiyl at gmail.com>
Both applied to drm-misc, thanks.
-Daniel
> ---
> drivers/gpu/drm/drm_crtc_helper.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/drm_crtc_helper.c b/drivers/gpu/drm/drm_crtc_helper.c
> index cd3fbc1..e333358 100644
> --- a/drivers/gpu/drm/drm_crtc_helper.c
> +++ b/drivers/gpu/drm/drm_crtc_helper.c
> @@ -551,7 +551,7 @@ int drm_crtc_helper_set_config(struct drm_mode_set *set)
> if (set->x != set->crtc->x || set->y != set->crtc->y)
> fb_changed = true;
>
> - if (set->mode && !drm_mode_equal(set->mode, &set->crtc->mode)) {
> + if (!drm_mode_equal(set->mode, &set->crtc->mode)) {
> DRM_DEBUG_KMS("modes are different, full mode set\n");
> drm_mode_debug_printmodeline(&set->crtc->mode);
> drm_mode_debug_printmodeline(set->mode);
> --
> 2.5.0
>
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--
Daniel Vetter
Software Engineer, Intel Corporation
http://blog.ffwll.ch
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