From: "Gustavo A. R. Silva" <garsilva@embeddedor.com>
To: Ben Skeggs <bskeggs@redhat.com>, David Airlie <airlied@linux.ie>
Cc: dri-devel@lists.freedesktop.org, nouveau@lists.freedesktop.org,
linux-kernel@vger.kernel.org,
"Gustavo A. R. Silva" <garsilva@embeddedor.com>
Subject: [PATCH] gpu: drm: nouveau: add null check before pointer dereference
Date: Mon, 22 May 2017 14:12:37 -0500 [thread overview]
Message-ID: <20170522191237.GA6240@embeddedgus> (raw)
Add null check before dereferencing pointer asyc
Addresses-Coverity-ID: 1397932
Signed-off-by: Gustavo A. R. Silva <garsilva@embeddedor.com>
---
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
next reply other threads:[~2017-05-22 19:12 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-05-22 19:12 Gustavo A. R. Silva [this message]
2017-05-22 22:24 ` [PATCH] gpu: drm: nouveau: add null check before pointer dereference Ben Skeggs
2017-05-22 22:24 ` Ben Skeggs
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