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drm/crtc_helper/set_config: Remove redundant NULL pointer check on set->mode
author
Liu Ying
<gnuiyl@gmail.com>
Thu, 14 Jan 2016 06:00:10 +0000
(14:00 +0800)
committer
Daniel Vetter
<daniel.vetter@ffwll.ch>
Mon, 18 Jan 2016 06:51:12 +0000
(07:51 +0100)
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@gmail.com>
Link:
http://patchwork.freedesktop.org/patch/msgid/1452751210-19216-2-git-send-email-gnuiyl@gmail.com
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
drivers/gpu/drm/drm_crtc_helper.c
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diff --git
a/drivers/gpu/drm/drm_crtc_helper.c
b/drivers/gpu/drm/drm_crtc_helper.c
index
63e8881
..
5d4bc64
100644
(file)
--- a/
drivers/gpu/drm/drm_crtc_helper.c
+++ b/
drivers/gpu/drm/drm_crtc_helper.c
@@
-588,7
+588,7
@@
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);