[Intel-gfx] [PATCH] drm/i915: Handle error to get connector state when staging config

[Daniel Vetter]

On Fri, Mar 27, 2015 at 03:33:51PM +0200, Ander Conselvan de Oliveira wrote:
> The return value of one of the calls to drm_atomic_get_connector_state()
> in intel_modeset_stage_output_state() wasn't checked for errors.
> 
> Reported-by: Dan Carpenter <dan.carpenter at oracle.com>
> Signed-off-by: Ander Conselvan de Oliveira <ander.conselvan.de.oliveira at intel.com>

Queued for -next, thanks for the patch.
-Daniel
> ---
>  drivers/gpu/drm/i915/intel_display.c | 2 ++
>  1 file changed, 2 insertions(+)
> 
> diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
> index 68fe8b8..1329ed2 100644
> --- a/drivers/gpu/drm/i915/intel_display.c
> +++ b/drivers/gpu/drm/i915/intel_display.c
> @@ -12000,6 +12000,8 @@ intel_modeset_stage_output_state(struct drm_device *dev,
>  	for_each_intel_connector(dev, connector) {
>  		connector_state =
>  			drm_atomic_get_connector_state(state, &connector->base);
> +		if (IS_ERR(connector_state))
> +			return PTR_ERR(connector_state);
>  
>  		if (connector->new_encoder) {
>  			if (connector->new_encoder != connector->encoder)
> -- 
> 2.1.0
> 
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-- 
Daniel Vetter
Software Engineer, Intel Corporation
http://blog.ffwll.ch