From 218c0b4c5b5f6aa0d6d4745adde3edbdfb6486fc Mon Sep 17 00:00:00 2001 From: Ce Sun Date: Thu, 23 Jul 2026 16:06:07 +0800 Subject: [PATCH] drm/amdgpu: avoid resource leak on SR-IOV VF with AMDGIM_FEATURE_RAS_CPER enabled Original amdgpu_cper_fini skips all CPER cleanup work for any SR-IOV VF directly. When AMDGIM_FEATURE_RAS_CPER is enabled on VF side, CPER related buffers/workitems are allocated during initialization, but the old code returns early without releasing these resources, which leads to kernel memory leak. Signed-off-by: Ce Sun Reviewed-by: Tao Zhou Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/amdgpu/amdgpu_cper.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_cper.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_cper.c index 0af8b7be326e..373e47050630 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_cper.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_cper.c @@ -519,7 +519,7 @@ int amdgpu_cper_deferred_init(struct amdgpu_device *adev) int amdgpu_cper_fini(struct amdgpu_device *adev) { - if (amdgpu_sriov_vf(adev)) + if (amdgpu_sriov_vf(adev) && !amdgpu_sriov_ras_cper_en(adev)) return 0; adev->cper.enabled = false;