From 86276921a17ee3090749c9f38f57dcfb73733bd4 Mon Sep 17 00:00:00 2001 From: "Gustavo A. R. Silva" Date: Mon, 22 May 2017 14:12:37 -0500 Subject: [PATCH] drm/nouveau/kms/nv50: add null check before pointer dereference Add null check before dereferencing pointer asyc Addresses-Coverity-ID: 1397932 Signed-off-by: Gustavo A. R. Silva Signed-off-by: Ben Skeggs --- 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..06e564a 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; } -- 2.7.4