[PATCH][next] drm/amdgpu: Use struct_size() helper in kmalloc()

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Make use of the new struct_size() helper instead of the offsetof() idiom.

Signed-off-by: Gustavo A. R. Silva <gustavoars@xxxxxxxxxx>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c
index 5da487b64a66..30192dce7775 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c
@@ -239,8 +239,7 @@ static int amdgpu_amdkfd_remove_eviction_fence(struct amdgpu_bo *bo,
 	if (!old)
 		return 0;
 
-	new = kmalloc(offsetof(typeof(*new), shared[old->shared_max]),
-		      GFP_KERNEL);
+	new = kmalloc(struct_size(new, shared, old->shared_max), GFP_KERNEL);
 	if (!new)
 		return -ENOMEM;
 
-- 
2.27.0

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