From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Gustavo A. R. Silva" Subject: [PATCH] gpu: drm: nouveau: add null check before pointer dereference Date: Mon, 22 May 2017 14:12:37 -0500 Message-ID: <20170522191237.GA6240@embeddedgus> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Content-Disposition: inline Sender: linux-kernel-owner@vger.kernel.org To: Ben Skeggs , David Airlie Cc: dri-devel@lists.freedesktop.org, nouveau@lists.freedesktop.org, linux-kernel@vger.kernel.org, "Gustavo A. R. Silva" List-Id: nouveau.vger.kernel.org Add null check before dereferencing pointer asyc Addresses-Coverity-ID: 1397932 Signed-off-by: Gustavo A. R. Silva --- drivers/gpu/drm/nouveau/nv50_display.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/nouveau/nv50_display.c b/drivers/gpu/drm/nouveau/nv50_display.c index a766324..052a60a 100644 --- a/drivers/gpu/drm/nouveau/nv50_display.c +++ b/drivers/gpu/drm/nouveau/nv50_display.c @@ -2107,7 +2107,8 @@ nv50_head_atomic_check(struct drm_crtc *crtc, struct drm_crtc_state *state) asyc->set.dither = true; } } else { - asyc->set.mask = ~0; + if (asyc) + asyc->set.mask = ~0; asyh->set.mask = ~0; } -- 2.5.0