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Message-ID: <20201008141828.GA20325@embeddedor> Date: Thu, 8 Oct 2020 09:18:28 -0500 From: "Gustavo A. R. Silva" <gustavoars@...nel.org> To: Vinod Koul <vkoul@...nel.org>, Dan Williams <dan.j.williams@...el.com>, Maxime Coquelin <mcoquelin.stm32@...il.com>, Alexandre Torgue <alexandre.torgue@...com> Cc: dmaengine@...r.kernel.org, linux-stm32@...md-mailman.stormreply.com, linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org, "Gustavo A. R. Silva" <gustavoars@...nel.org>, linux-hardening@...r.kernel.org Subject: [PATCH][next] dmaengine: stm32-mdma: Use struct_size() in kzalloc() Make use of the new struct_size() helper instead of the offsetof() idiom. Signed-off-by: Gustavo A. R. Silva <gustavoars@...nel.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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