diff mbox series

drm: check if alloc_workqueue fails

Message ID 20190309043331.5210-1-kjlu@umn.edu (mailing list archive)
State New, archived
Headers show
Series drm: check if alloc_workqueue fails | expand

Commit Message

Kangjie Lu March 9, 2019, 4:33 a.m. UTC
alloc_workqueue may fail. The fix checks its status. We probably
need to add a return value for radeon_crtc_init, so that we can
pass an error code upstream.

Signed-off-by: Kangjie Lu <kjlu@umn.edu>
---
 drivers/gpu/drm/radeon/radeon_display.c | 2 ++
 1 file changed, 2 insertions(+)
diff mbox series

Patch

diff --git a/drivers/gpu/drm/radeon/radeon_display.c b/drivers/gpu/drm/radeon/radeon_display.c
index aa898c699101..16f95bde8c2e 100644
--- a/drivers/gpu/drm/radeon/radeon_display.c
+++ b/drivers/gpu/drm/radeon/radeon_display.c
@@ -678,6 +678,8 @@  static void radeon_crtc_init(struct drm_device *dev, int index)
 	drm_mode_crtc_set_gamma_size(&radeon_crtc->base, 256);
 	radeon_crtc->crtc_id = index;
 	radeon_crtc->flip_queue = alloc_workqueue("radeon-crtc", WQ_HIGHPRI, 0);
+	if (!radeon_crtc->flip_queue)
+		DRM_ERROR("failed to allocate the flip queue\n");
 	rdev->mode_info.crtcs[index] = radeon_crtc;
 
 	if (rdev->family >= CHIP_BONAIRE) {