drm/amdgpu/userq: need to unref bo

unref bo after amdgpu_bo_reserve() failure as it has
called amdgpu_bo_ref() already

Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: David (Ming Qiang) Wu <David.Wu3@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_userq_fence.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_userq_fence.c
index 2aeeaa9548820b55dc74654ae6e0970b578f80db..99ae1d19b7510d8161c079b9a75e5ffe0bb326db 100644 (file)
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_userq_fence.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_userq_fence.c
@@ -386,6 +386,7 @@ static int amdgpu_userq_fence_read_wptr(struct amdgpu_usermode_queue *queue,
        amdgpu_bo_unreserve(queue->vm->root.bo);
        r = amdgpu_bo_reserve(bo, true);
        if (r) {
+               amdgpu_bo_unref(&bo);
                DRM_ERROR("Failed to reserve userqueue wptr bo");
                return r;
        }