drm/i915: propagate error from legacy resume handler

Signed-off-by: Imre Deak <imre.deak@intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c
index 56c7570..524c3df 100644
--- a/drivers/gpu/drm/i915/i915_drv.c
+++ b/drivers/gpu/drm/i915/i915_drv.c
@@ -810,10 +810,13 @@
 
 static int i915_resume_legacy(struct drm_device *dev)
 {
-	i915_resume_early(dev);
-	i915_resume(dev);
+	int ret;
 
-	return 0;
+	ret = i915_resume_early(dev);
+	if (ret)
+		return ret;
+
+	return i915_resume(dev);
 }
 
 /**