uxa: check for failure to allocate drmModeCrtc

Reported-by: Zdenek Kabelac <zkabelac@redhat.com>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>

1 files changed, 5 insertions, 0 deletions

diff --git a/src/intel_display.c b/src/intel_display.c
index 609cbf7c..fcb3239d 100644
--- a/src/intel_display.c
+++ b/src/intel_display.c
@@ -680,6 +680,11 @@ intel_crtc_init(ScrnInfoPtr scrn, struct intel_mode *mode, int num)
 
 	intel_crtc->mode_crtc = drmModeGetCrtc(mode->fd,
 					       mode->mode_res->crtcs[num]);
+	if (intel_crtc->mode_crtc == NULL) {
+		free(intel_crtc);
+		return;
+	}
+
 	intel_crtc->mode = mode;
 	crtc->driver_private = intel_crtc;