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Commit a9910c08 authored by YueHaibing's avatar YueHaibing Committed by Jeff Kirsher
Browse files

ixgb: use dma_zalloc_coherent instead of allocator/memset 



Use dma_zalloc_coherent instead of dma_alloc_coherent
followed by memset 0.

Signed-off-by: default avatarYueHaibing <yuehaibing@huawei.com>
Tested-by: default avatarAndrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: default avatarJeff Kirsher <jeffrey.t.kirsher@intel.com>
parent ff0fadff

drivers/net/ethernet/intel/ixgb/ixgb_main.c

+2 −3
Original line number Diff line number Diff line
@@ -771,14 +771,13 @@ ixgb_setup_rx_resources(struct ixgb_adapter *adapter) 
	rxdr->size = rxdr->count * sizeof(struct ixgb_rx_desc);

	rxdr->size = ALIGN(rxdr->size, 4096);



	rxdr->desc = dma_alloc_coherent(&pdev->dev, rxdr->size, &rxdr->dma,

	rxdr->desc = dma_zalloc_coherent(&pdev->dev, rxdr->size, &rxdr->dma,

					 GFP_KERNEL);



	if (!rxdr->desc) {

		vfree(rxdr->buffer_info);

		return -ENOMEM;

	}

	memset(rxdr->desc, 0, rxdr->size);



	rxdr->next_to_clean = 0;

	rxdr->next_to_use = 0;