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

Message ID 20201008141828.GA20325@embeddedor (mailing list archive)
State New, archived
Headers show
Series [next] dmaengine: stm32-mdma: Use struct_size() in kzalloc() | expand

Commit Message

Gustavo A. R. Silva Oct. 8, 2020, 2:18 p.m. UTC 
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(-)

Comments

Vinod Koul Oct. 28, 2020, 5:56 a.m. UTC | #1 
On 08-10-20, 09:18, Gustavo A. R. Silva wrote:
> Make use of the new struct_size() helper instead of the offsetof() idiom.

Applied, thanks
diff mbox series

Patch

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;