From d6c6d5ec6652f0c2492767d886e2c39d089d58b9 Mon Sep 17 00:00:00 2001 From: Dan Carpenter Date: Wed, 30 Apr 2025 11:01:24 +0300 Subject: [PATCH 3438/5403] drm/amdgpu/userq: Call unreserve on error in amdgpu_userq_fence_read_wptr() This error path should call amdgpu_bo_unreserve() before returning. Fixes: d8675102ba32 ("drm/amdgpu: add vm root BO lock before accessing the vm") Signed-off-by: Dan Carpenter Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/amdgpu/amdgpu_userq_fence.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_userq_fence.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_userq_fence.c index 3288c2ff692e..34200cd04f27 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_userq_fence.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_userq_fence.c @@ -370,6 +370,7 @@ static int amdgpu_userq_fence_read_wptr(struct amdgpu_usermode_queue *queue, mapping = amdgpu_vm_bo_lookup_mapping(queue->vm, addr >> PAGE_SHIFT); if (!mapping) { + amdgpu_bo_unreserve(queue->vm->root.bo); DRM_ERROR("Failed to lookup amdgpu_bo_va_mapping\n"); return -EINVAL; } -- 2.54.0