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* [PATCH][next] dmaengine: stm32-mdma: Use struct_size() in kzalloc()
@ 2020-10-08 14:18 Gustavo A. R. Silva
  2020-10-28  5:56 ` Vinod Koul
  0 siblings, 1 reply; 2+ messages in thread
From: Gustavo A. R. Silva @ 2020-10-08 14:18 UTC (permalink / raw)
  To: Vinod Koul, Dan Williams, Maxime Coquelin, Alexandre Torgue
  Cc: dmaengine, linux-stm32, linux-arm-kernel, linux-kernel,
	Gustavo A. R. Silva, linux-hardening

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

Signed-off-by: Gustavo A. R. Silva <gustavoars@kernel.org>
---
 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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2020-10-08 14:18 [PATCH][next] dmaengine: stm32-mdma: Use struct_size() in kzalloc() Gustavo A. R. Silva
2020-10-28  5:56 ` Vinod Koul

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