alloc_workqueue is not checked for errors and as a result,
a potential NULL dereference could occur.
Signed-off-by: Allen Pais <allen.p...@oracle.com>
---
drivers/gpu/drm/radeon/radeon_display.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/drivers/gpu/drm/radeon/radeon_display.c
b/drivers/gpu/drm/radeon/radeon_display.c
index bd52f15..1a41764 100644
--- a/drivers/gpu/drm/radeon/radeon_display.c
+++ b/drivers/gpu/drm/radeon/radeon_display.c
@@ -683,6 +683,10 @@ 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 (unlikely(!radeon_crtc->flip_queue)) {
+ kfree(radeon_crtc);
+ return;
+ }
rdev->mode_info.crtcs[index] = radeon_crtc;
if (rdev->family >= CHIP_BONAIRE) {
--
1.9.1
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