[PATCH] gpu: drm: use struct_size() in kmalloc()

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Use struct_size() helper to keep code simple.

Signed-off-by: xiaolinkui <xiaolinkui@xxxxxxxxxx>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c
index 22bd21e..4717a64 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c
@@ -1375,8 +1375,7 @@ int amdgpu_ras_init(struct amdgpu_device *adev)
 	if (con)
 		return 0;
 
-	con = kmalloc(sizeof(struct amdgpu_ras) +
-			sizeof(struct ras_manager) * AMDGPU_RAS_BLOCK_COUNT,
+	con = kmalloc(struct_size(con, objs, AMDGPU_RAS_BLOCK_COUNT),
 			GFP_KERNEL|__GFP_ZERO);
 	if (!con)
 		return -ENOMEM;
-- 
2.7.4



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