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dmaengine: use kmem_cache_zalloc instead of kmem_cache_alloc/memset

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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: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Signed-off-by: Vinod Koul <vinod.koul@linux.intel.com>
This commit is contained in:
Wei Yongjun 2012-08-27 12:40:42 +08:00 committed by Vinod Koul
parent 5557a419d4
commit 921eeadbbd
1 changed files with 1 additions and 2 deletions
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3
drivers/dma/ioat/dma_v2.c
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@ -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;