Commit 115906ca authored by 蒋家盛's avatar 蒋家盛 Committed by Dmitry Baryshkov
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drm/msm/dsi: Add missing check for alloc_ordered_workqueue 



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

Signed-off-by: default avatarJiasheng Jiang <jiasheng@iscas.ac.cn>
Reviewed-by: default avatarAbhinav 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: default avatarDmitry Baryshkov <dmitry.baryshkov@linaro.org>
parent 9d0118f0

drivers/gpu/drm/msm/dsi/dsi_host.c

+3 −0
Original line number Diff line number Diff line
@@ -1977,6 +1977,9 @@ 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);



	msm_dsi->id = msm_host->id;