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Commit 921eeadb authored by Wei Yongjun's avatar Wei Yongjun Committed by Vinod Koul
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dmaengine: use kmem_cache_zalloc instead of kmem_cache_alloc/memset 

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

spatch with a semantic match is used to found this problem.
(http://coccinelle.lip6.fr/

)

Signed-off-by: default avatarWei Yongjun <yongjun_wei@trendmicro.com.cn>
Signed-off-by: default avatarVinod Koul <vinod.koul@linux.intel.com>
parent 5557a419

drivers/dma/ioat/dma_v2.c

+1 −2
Original line number Diff line number Diff line
@@ -434,12 +434,11 @@ static struct ioat_ring_ent *ioat2_alloc_ring_ent(struct dma_chan *chan, gfp_t f 
		return NULL;

	memset(hw, 0, sizeof(*hw));



	desc = kmem_cache_alloc(ioat2_cache, flags);

	desc = kmem_cache_zalloc(ioat2_cache, flags);

	if (!desc) {

		pci_pool_free(dma->dma_pool, hw, phys);

		return NULL;

	}

	memset(desc, 0, sizeof(*desc));



	dma_async_tx_descriptor_init(&desc->txd, chan);

	desc->txd.tx_submit = ioat2_tx_submit_unlock;