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 <[email protected]>
Signed-off-by: Ander Conselvan de Oliveira 
<[email protected]>
---
 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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