From: Sunil Khatri <sunil.khatri@amd.com>
Date: Fri, 31 Oct 2025 08:40:13 +0000 (+0530)
Subject: drm/amdgpu: validate the bo from done list for NULL
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=cd6250f3aeb5ee81bf3724891f274f8a43737198;p=thirdparty%2Fkernel%2Flinux.git

drm/amdgpu: validate the bo from done list for NULL

Make sure the bo is valid before using it.

Signed-off-by: Sunil Khatri <sunil.khatri@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_userq.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_userq.c
index fd54423c35877..836a14ef00525 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_userq.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_userq.c
@@ -1062,6 +1062,8 @@ retry_lock:
 	/* Validate User Ptr BOs */
 	list_for_each_entry(bo_va, &vm->done, base.vm_status) {
 		bo = bo_va->base.bo;
+		if (!bo)
+			continue;
 
 		if (!amdgpu_ttm_tt_is_userptr(bo->tbo.ttm))
 			continue;