[PATCH] drm/amdgpu: Add NULL check for asic_funcs

[Lijo Lazar]

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

Signed-off-by: Lijo Lazar <lijo.la...@amd.com>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_nbio.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

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;
 
-- 
2.49.0