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Commit df6e6333 authored by Joe Perches's avatar Joe Perches Committed by John W. Linville
Browse files

rt2x00: Use dma_zalloc_coherent 



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

Signed-off-by: default avatarJoe Perches <joe@perches.com>
Signed-off-by: default avatarJohn W. Linville <linville@tuxdriver.com>
parent a4068323

drivers/net/wireless/rt2x00/rt2x00mmio.c

+3 −5
Original line number Diff line number Diff line
@@ -119,14 +119,12 @@ static int rt2x00mmio_alloc_queue_dma(struct rt2x00_dev *rt2x00dev, 
	/*

	 * Allocate DMA memory for descriptor and buffer.

	 */

	addr = dma_alloc_coherent(rt2x00dev->dev,

				  queue->limit * queue->desc_size,

				  &dma, GFP_KERNEL);

	addr = dma_zalloc_coherent(rt2x00dev->dev,

				   queue->limit * queue->desc_size, &dma,

				   GFP_KERNEL);

	if (!addr)

		return -ENOMEM;



	memset(addr, 0, queue->limit * queue->desc_size);



	/*

	 * Initialize all queue entries to contain valid addresses.

	 */