Commit 1197366c authored by Jinzhou Su's avatar Jinzhou Su Committed by Alex Deucher
Browse files

drm/amd/pm: Fix null pointer dereference issue 



If SMU is disabled, during RAS initialization,
there will be null pointer dereference issue here.

Signed-off-by: default avatarJinzhou Su <jinzhou.su@amd.com>
Reviewed-by: default avatarYang Wang <kevinyang.wang@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent e698127e

drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c

+3 −0
Original line number Diff line number Diff line
@@ -619,6 +619,9 @@ int amdgpu_smu_ras_send_msg(struct amdgpu_device *adev, enum smu_message_type ms 
	struct smu_context *smu = adev->powerplay.pp_handle;

	int ret = -EOPNOTSUPP;



	if (!smu)

		return ret;



	if (smu->ppt_funcs && smu->ppt_funcs->ras_send_msg)

		ret = smu->ppt_funcs->ras_send_msg(smu, msg, param, read_arg);