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author | Wei Yongjun <yongjun_wei@trendmicro.com.cn> | 2012-08-27 06:40:42 +0200 |
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committer | Vinod Koul <vinod.koul@linux.intel.com> | 2012-09-18 05:25:17 +0200 |
commit | 921eeadbbdd7ffba16937a3b63e408c980c39db6 (patch) | |
tree | 962e2735076b8704ea62003b0c41bb06dda8b250 /drivers/dma | |
parent | DMA: PL330: Set the capability of pdm0 and pdm1 as DMA_PRIVATE (diff) | |
download | linux-921eeadbbdd7ffba16937a3b63e408c980c39db6.tar.xz linux-921eeadbbdd7ffba16937a3b63e408c980c39db6.zip |
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: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Signed-off-by: Vinod Koul <vinod.koul@linux.intel.com>
Diffstat (limited to 'drivers/dma')
-rw-r--r-- | drivers/dma/ioat/dma_v2.c | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/drivers/dma/ioat/dma_v2.c b/drivers/dma/ioat/dma_v2.c index 86895760b598..b9d667851445 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; |