dmaengine Archive on
 help / color / Atom feed
* [PATCH][next] dmaengine: stm32-mdma: Use struct_size() in kzalloc()
@ 2020-10-08 14:18 Gustavo A. R. Silva
  0 siblings, 0 replies; only message 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 <>
 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;

^ permalink raw reply	[flat|nested] only message in thread

only message in thread, back to index

Thread overview: (only message) (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2020-10-08 14:18 [PATCH][next] dmaengine: stm32-mdma: Use struct_size() in kzalloc() Gustavo A. R. Silva

dmaengine Archive on

Archives are clonable:
	git clone --mirror dmaengine/git/0.git

	# If you have public-inbox 1.1+ installed, you may
	# initialize and index your mirror using the following commands:
	public-inbox-init -V2 dmaengine dmaengine/ \
	public-inbox-index dmaengine

Example config snippet for mirrors

Newsgroup available over NNTP:

AGPL code for this site: git clone