A-Team_Digital_Solutions/android_kernel_motorola_sm6375
Watch
2
0
Fork
You've already forked android_kernel_motorola_sm6375
 0
mirror of https://github.com/BobTheBlinker/android_kernel_motorola_sm6375.git synced 2026-10-05 19:31:57 -04:00
Code Issues Projects Releases Packages Wiki Activity

drm/radeon: check the alloc_workqueue return value in radeon_crtc_init()

Browse source 
[ Upstream commit 7a2464fac80d42f6f8819fed97a553e9c2f43310 ]

check the alloc_workqueue return value in radeon_crtc_init()
to avoid null-ptr-deref.

Fixes: fa7f517cb2 ("drm/radeon: rework page flip handling v4")
Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Yang Yingliang 2023-11-30 15:50:16 +08:00 • committed by Greg Kroah-Hartman
commit 5d12c5d75f
1 changed files with 6 additions and 1 deletions
Download patch file Download diff file Expand all files Collapse all files

7
drivers/gpu/drm/radeon/radeon_display.c
View file

@ -682,11 +682,16 @@ static void radeon_crtc_init(struct drm_device *dev, int index)
if (radeon_crtc == NULL)
return;
radeon_crtc->flip_queue = alloc_workqueue("radeon-crtc", WQ_HIGHPRI, 0);
if (!radeon_crtc->flip_queue) {
kfree(radeon_crtc);
return;
}
drm_crtc_init(dev, &radeon_crtc->base, &radeon_crtc_funcs);
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);
rdev->mode_info.crtcs[index] = radeon_crtc;
if (rdev->family >= CHIP_BONAIRE) {