Re: [PATCH -next] crypto: ccp - use kmem_cache_zalloc instead of kmem_cache_alloc/memset

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On 09/14/2016 10:28 PM, Wei Yongjun wrote:
From: Wei Yongjun <weiyongjun1@xxxxxxxxxx>

Using kmem_cache_zalloc() instead of kmem_cache_alloc() and memset().

Signed-off-by: Wei Yongjun <weiyongjun1@xxxxxxxxxx>
---
 drivers/crypto/ccp/ccp-dmaengine.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/drivers/crypto/ccp/ccp-dmaengine.c b/drivers/crypto/ccp/ccp-dmaengine.c
index ded26f4..2e5a05c 100644
--- a/drivers/crypto/ccp/ccp-dmaengine.c
+++ b/drivers/crypto/ccp/ccp-dmaengine.c
@@ -299,12 +299,10 @@ static struct ccp_dma_desc *ccp_alloc_dma_desc(struct ccp_dma_chan *chan,
 {
 	struct ccp_dma_desc *desc;

-	desc = kmem_cache_alloc(chan->ccp->dma_desc_cache, GFP_NOWAIT);
+	desc = kmem_cache_zalloc(chan->ccp->dma_desc_cache, GFP_NOWAIT);
 	if (!desc)
 		return NULL;

-	memset(desc, 0, sizeof(*desc));
-
 	dma_async_tx_descriptor_init(&desc->tx_desc, &chan->dma_chan);
 	desc->tx_desc.flags = flags;
 	desc->tx_desc.tx_submit = ccp_tx_submit;


Acked-by: Gary R Hook <gary.hook@xxxxxxx>

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