[PATCH][next] dmaengine: stm32-mdma: Use struct_size() in kzalloc()

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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/dma/stm32-mdma.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/dma/stm32-mdma.c b/drivers/dma/stm32-mdma.c
index 08cfbfab837b..29e5e30524bb 100644
--- a/drivers/dma/stm32-mdma.c
+++ b/drivers/dma/stm32-mdma.c
@@ -339,7 +339,7 @@ static struct stm32_mdma_desc *stm32_mdma_alloc_desc(
 	struct stm32_mdma_desc *desc;
 	int i;
 
-	desc = kzalloc(offsetof(typeof(*desc), node[count]), GFP_NOWAIT);
+	desc = kzalloc(struct_size(desc, node, count), GFP_NOWAIT);
 	if (!desc)
 		return NULL;
 
-- 
2.27.0




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