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ata: Use dma_zalloc_coherent 

Use the zeroing function instead of dma_alloc_coherent & memset(,0,)

Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
This commit is contained in:
Joe Perches 2014-06-15 13:37:32 -07:00 committed by Tejun Heo
parent ebe06187bf
commit 94463a9cad
1 changed files with 2 additions and 3 deletions
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5
drivers/ata/sata_fsl.c
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@ -734,13 +734,12 @@ static int sata_fsl_port_start(struct ata_port *ap)
if (!pp)
return -ENOMEM;
mem = dma_alloc_coherent(dev, SATA_FSL_PORT_PRIV_DMA_SZ, &mem_dma,
GFP_KERNEL);
mem = dma_zalloc_coherent(dev, SATA_FSL_PORT_PRIV_DMA_SZ, &mem_dma,
GFP_KERNEL);
if (!mem) {
kfree(pp);
return -ENOMEM;
}
memset(mem, 0, SATA_FSL_PORT_PRIV_DMA_SZ);
pp->cmdslot = mem;
pp->cmdslot_paddr = mem_dma;