Bail out if crtc is NULL to keep the driver from crashing.
Signed-off-by: Egbert Eich <eich@xxxxxxx>
---
drivers/gpu/drm/i915/intel_display.c | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index c276733..dfebced 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -10257,6 +10257,11 @@ intel_modeset_stage_output_state(struct drm_device *dev,
new_crtc = set->crtc;
}
+ if (!new_crtc) {
+ WARN(1, "crtc not set!");
+ return -EINVAL;
+ }
+
/* Make sure the new CRTC will work with the encoder */
if (!drm_encoder_crtc_ok(&connector->new_encoder->base,
new_crtc)) {
--
1.8.4.5
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