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 <k...@umn.edu>
---
drivers/gpu/drm/radeon/radeon_display.c | 2 ++
1 file changed, 2 insertions(+)
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) {
--
2.17.1
