If CONFIG_64BIT is n, build warns:

drivers/gpu/drm/amd/amdgpu/amdgpu_device.c:333:1:
 warning: label ‘exit’ defined but not used [-Wunused-label]

Fixes: f89f8c6bafd0 ("drm/amdgpu: Guard against write accesses after device 
removal")
Signed-off-by: YueHaibing <yuehaib...@huawei.com>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c 
b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
index 4a040f89ca5a..841774f4aedc 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
@@ -330,7 +330,9 @@ void amdgpu_device_vram_access(struct amdgpu_device *adev, 
loff_t pos,
        }
        spin_unlock_irqrestore(&adev->mmio_idx_lock, flags);
 
+#ifdef CONFIG_64BIT
 exit:
+#endif
        drm_dev_exit(idx);
 }
 
-- 
2.17.1

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