[PATCH][next] amd/amdgpu_ctx: Use struct_size() helper and kmalloc()

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Make use of the new struct_size() helper instead of the offsetof() idiom.
Also, use kmalloc() instead of kcalloc().

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

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ctx.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ctx.c
index c80d8339f58c..5be125f3b92a 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ctx.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ctx.c
@@ -100,7 +100,7 @@ static int amdgpu_ctx_init_entity(struct amdgpu_ctx *ctx, u32 hw_ip,
 	enum drm_sched_priority priority;
 	int r;
 
-	entity = kcalloc(1, offsetof(typeof(*entity), fences[amdgpu_sched_jobs]),
+	entity = kmalloc(struct_size(entity, fences, amdgpu_sched_jobs),
 			 GFP_KERNEL);
 	if (!entity)
 		return  -ENOMEM;
-- 
2.27.0

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