[PATCH] GPU-DRM: Delete an unnecessary check before drm_property_unreference_blob()

From: SF Markus Elfring
Date: Fri Jul 22 2016 - 06:57:19 EST


From: Markus Elfring <elfring@xxxxxxxxxxxxxxxxxxxxx>
Date: Fri, 22 Jul 2016 12:48:12 +0200

The drm_property_unreference_blob() function tests whether its argument
is NULL and then returns immediately.
Thus the test around the call is not needed.

This issue was detected by using the Coccinelle software.

Signed-off-by: Markus Elfring <elfring@xxxxxxxxxxxxxxxxxxxxx>
---
drivers/gpu/drm/mediatek/mtk_drm_crtc.c | 4 +---
1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/drivers/gpu/drm/mediatek/mtk_drm_crtc.c b/drivers/gpu/drm/mediatek/mtk_drm_crtc.c
index 24aa3ba..07541d0 100644
--- a/drivers/gpu/drm/mediatek/mtk_drm_crtc.c
+++ b/drivers/gpu/drm/mediatek/mtk_drm_crtc.c
@@ -112,9 +112,7 @@ static void mtk_drm_crtc_reset(struct drm_crtc *crtc)
struct mtk_crtc_state *state;

if (crtc->state) {
- if (crtc->state->mode_blob)
- drm_property_unreference_blob(crtc->state->mode_blob);
-
+ drm_property_unreference_blob(crtc->state->mode_blob);
state = to_mtk_crtc_state(crtc->state);
memset(state, 0, sizeof(*state));
} else {
--
2.9.2