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usb : replace dma_pool_alloc and memset with dma_pool_zalloc

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replace dma_pool_alloc and memset with a single call to dma_pool_zalloc

Signed-off-by: Saurabh Sengar <saurabh.truth@gmail.com>
Acked-by: Peter Chen <peter.chen@freescale.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Saurabh Sengar
2015-10-28 12:44:35 +05:30
committed by Greg Kroah-Hartman
parent ced08b020e
commit 84c1eeb023
5 changed files with 6 additions and 12 deletions
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3
drivers/usb/gadget/udc/gr_udc.c
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@@ -253,13 +253,12 @@ static struct gr_dma_desc *gr_alloc_dma_desc(struct gr_ep *ep, gfp_t gfp_flags)
dma_addr_t paddr;
struct gr_dma_desc *dma_desc;
dma_desc = dma_pool_alloc(ep->dev->desc_pool, gfp_flags, &paddr);
dma_desc = dma_pool_zalloc(ep->dev->desc_pool, gfp_flags, &paddr);
if (!dma_desc) {
dev_err(ep->dev->dev, "Could not allocate from DMA pool\n");
return NULL;
}
memset(dma_desc, 0, sizeof(*dma_desc));
dma_desc->paddr = paddr;
return dma_desc;