From 4ce71be67b08d00729f4d8735e2b76d8b5882d2c Mon Sep 17 00:00:00 2001 From: Hawking Zhang Date: Sat, 31 Aug 2019 13:18:40 +0800 Subject: drm/amdgpu: check mmhub_funcs pointer before refering to it mmhub callback functions are not initialized for all the ASICs Signed-off-by: Hawking Zhang Reviewed-by: Tao Zhou Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'drivers/gpu/drm/amd/amdgpu') diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c index 420dcdd769ff..08a47a5785cd 100644 --- a/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c @@ -799,7 +799,7 @@ static int gmc_v9_0_ecc_late_init(void *handle) goto umc_late_fini; } - if (adev->mmhub_funcs->ras_late_init) { + if (adev->mmhub_funcs && adev->mmhub_funcs->ras_late_init) { r = adev->mmhub_funcs->ras_late_init(adev); if (r) return r; -- cgit