linux-kernel - [PATCH v2 1/2] drm/msm/dpu: Remove impossible NULL check

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [thread-next>] [day] [month] [year] [list]

Date:   Sat, 23 Oct 2021 09:00:12 -0700
From:   Rob Clark <robdclark@...il.com>
To:     dri-devel@...ts.freedesktop.org
Cc:     freedreno@...ts.freedesktop.org, linux-arm-msm@...r.kernel.org,
        Rob Clark <robdclark@...omium.org>,
        Jessica Zhang <jesszhan@...eaurora.org>,
        Rob Clark <robdclark@...il.com>, Sean Paul <sean@...rly.run>,
        David Airlie <airlied@...ux.ie>,
        Daniel Vetter <daniel@...ll.ch>,
        Thomas Zimmermann <tzimmermann@...e.de>,
        Maxime Ripard <maxime@...no.tech>,
        Dmitry Baryshkov <dmitry.baryshkov@...aro.org>,
        Abhinav Kumar <abhinavk@...eaurora.org>,
        Krishna Manikandan <mkrishn@...eaurora.org>,
        Kalyan Thota <kalyan_t@...eaurora.org>,
        Stephen Boyd <swboyd@...omium.org>,
        Mark Yacoub <markyacoub@...gle.com>,
        linux-kernel@...r.kernel.org (open list)
Subject: [PATCH v2 1/2] drm/msm/dpu: Remove impossible NULL check

From: Rob Clark <robdclark@...omium.org>

Signed-off-by: Rob Clark <robdclark@...omium.org>
Reviewed-by: Jessica Zhang <jesszhan@...eaurora.org>
---
 drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c | 5 -----
 1 file changed, 5 deletions(-)

diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c
index e91568d4f09a..0ae397044310 100644
--- a/drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c
+++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c
@@ -187,11 +187,6 @@ static int dpu_crtc_get_crc(struct drm_crtc *crtc)
 	int i = 0;
 	int rc = 0;
 
-	if (!crtc) {
-		DPU_ERROR("Invalid crtc\n");
-		return -EINVAL;
-	}
-
 	crtc_state = to_dpu_crtc_state(crtc->state);
 	crcs = kcalloc(crtc_state->num_mixers, sizeof(*crcs), GFP_KERNEL);
 
-- 
2.31.1