Commit 8332f1aa authored by Bob Zhou's avatar Bob Zhou Committed by Alex Deucher
Browse files

drm/amd/pm: add missing error handling in function smu_v13_0_6_allocate_dpm_context 



Check return value to avoid null pointer dereference.

Signed-off-by: default avatarBob Zhou <bob.zhou@amd.com>
Reviewed-by: default avatarYang Wang <kevinyang.wang@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent 50151b7f

drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_6_ppt.c

+5 −0
Original line number Diff line number Diff line
@@ -451,6 +451,11 @@ static int smu_v13_0_6_allocate_dpm_context(struct smu_context *smu) 


	smu_dpm->dpm_policies =

		kzalloc(sizeof(struct smu_dpm_policy_ctxt), GFP_KERNEL);

	if (!smu_dpm->dpm_policies) {

		kfree(smu_dpm->dpm_context);

		return -ENOMEM;

	}



	if (!(smu->adev->flags & AMD_IS_APU)) {

		policy = &(smu_dpm->dpm_policies->policies[0]);