On Mon, 2012-08-27 at 12:40 +0800, Wei Yongjun wrote: > From: Wei Yongjun <yongjun_...@trendmicro.com.cn> > > 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_...@trendmicro.com.cn> > --- > drivers/dma/ioat/dma_v2.c | 3 +-- > 1 file changed, 1 insertion(+), 2 deletions(-) > > diff --git a/drivers/dma/ioat/dma_v2.c b/drivers/dma/ioat/dma_v2.c > index 8689576..b9d6678 100644 > --- a/drivers/dma/ioat/dma_v2.c > +++ b/drivers/dma/ioat/dma_v2.c > @@ -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; Applied thanks
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