[PATCH -next] drm/amdgpu: use kmemdup rather than duplicating its implementation

[Wei Yongjun]

Use kmemdup rather than duplicating its implementation.

Generated by: scripts/coccinelle/api/memdup.cocci

Signed-off-by: Wei Yongjun <weiyj...@gmail.com>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c 
b/drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c
index a46a64c..b779b5f 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c
@@ -296,12 +296,10 @@ int amdgpu_uvd_suspend(struct amdgpu_device *adev)
        size = amdgpu_bo_size(adev->uvd.vcpu_bo);
        ptr = adev->uvd.cpu_addr;
 
-       adev->uvd.saved_bo = kmalloc(size, GFP_KERNEL);
+       adev->uvd.saved_bo = kmemdup(ptr, size, GFP_KERNEL);
        if (!adev->uvd.saved_bo)
                return -ENOMEM;
 
-       memcpy(adev->uvd.saved_bo, ptr, size);
-
        return 0;
 }