From: Lijo Lazar Date: Fri, 18 Jul 2025 03:55:21 +0000 (+0530) Subject: drm/amdgpu: Add NULL check for asic_funcs X-Git-Tag: io_uring-6.17-20250815~29^2^2~5 X-Git-Url: https://git.kernel.dk/?a=commitdiff_plain;h=c2fe914d50ab22defca14ac6fca33888bfb19843;p=linux-block.git 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: Lijo Lazar Acked-by: Alex Deucher Signed-off-by: Alex Deucher (cherry picked from commit 582bf7c5158dce16f7dc5b8345b7876bd8031224) Cc: stable@vger.kernel.org --- diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_nbio.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_nbio.c index e56ba93a8df6..a974265837f0 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_nbio.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_nbio.c @@ -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;