android/android_kernel_xiaomi_sm8450
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

drm/msm/dsi: Add missing check for alloc_ordered_workqueue

Browse Source 
[ Upstream commit 115906ca7b535afb1fe7b5406c566ccd3873f82b ]

Add check for the return value of alloc_ordered_workqueue as it may return
NULL pointer and cause NULL pointer dereference.

Signed-off-by: Jiasheng Jiang <jiasheng@iscas.ac.cn>
Reviewed-by: Abhinav Kumar <quic_abhinavk@quicinc.com>
Patchwork: https://patchwork.freedesktop.org/patch/517646/
Link: https://lore.kernel.org/r/20230110021651.12770-1-jiasheng@iscas.ac.cn
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Jiasheng Jiang 2023-01-10 10:16:51 +08:00 committed by Greg Kroah-Hartman
parent d473c55ce1
commit 540c66180a
1 changed files with 3 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
drivers/gpu/drm/msm/dsi/dsi_host.c
View File

@ -1913,6 +1913,9 @@ int msm_dsi_host_init(struct msm_dsi *msm_dsi)
/* setup workqueue */
msm_host->workqueue = alloc_ordered_workqueue("dsi_drm_work", 0);
if (!msm_host->workqueue)
return -ENOMEM;
INIT_WORK(&msm_host->err_work, dsi_err_worker);
INIT_WORK(&msm_host->hpd_work, dsi_hpd_worker);