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SubjectRe: [PATCH] gpu: drm: nouveau: add null check before pointer dereference
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On 05/23/2017 05:12 AM, Gustavo A. R. Silva wrote:
> Add null check before dereferencing pointer asyc
I've taken the patch into my tree, thanks!

Ben.

>
> 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;
> }
>
>

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