Commit c2fe914d authored by Lijo Lazar's avatar Lijo Lazar Committed by Alex Deucher
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drm/amdgpu: Add NULL check for asic_funcs 



If driver load fails too early, asic_funcs pointer remains unassigned.
Add NULL check to sanitize unwind path.

Signed-off-by: default avatarLijo Lazar <lijo.lazar@amd.com>
Acked-by: default avatarAlex Deucher <alexander.deucher@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
(cherry picked from commit 582bf7c5)
Cc: stable@vger.kernel.org
parent 8e6a18cb

drivers/gpu/drm/amd/amdgpu/amdgpu_nbio.c

+2 −1
Original line number Diff line number Diff line
@@ -55,7 +55,8 @@ u64 amdgpu_nbio_get_pcie_replay_count(struct amdgpu_device *adev) 


bool amdgpu_nbio_is_replay_cnt_supported(struct amdgpu_device *adev)

{

	if (amdgpu_sriov_vf(adev) || !adev->asic_funcs->get_pcie_replay_count ||

	if (amdgpu_sriov_vf(adev) || !adev->asic_funcs ||

	    !adev->asic_funcs->get_pcie_replay_count ||

	    (!adev->nbio.funcs || !adev->nbio.funcs->get_pcie_replay_count))

		return false;