Commit a95aeb2f authored Sep 08, 2016 by Sebastian Ott Committed by Martin Schwidefsky Nov 17, 2016

s390/pci_dma: remove memset from dma_alloc



Get rid of a useless memset from dma_alloc. Users of dma_alloc who want
zero initialized memory can get it by specifying __GFP_ZERO or use one
of the zalloc variants.

Signed-off-by: Sebastian Ott <sebott@linux.vnet.ibm.com>
Reviewed-by: Gerald Schaefer <gerald.schaefer@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>

parent 4f5359e9

arch/s390/pci/pci_dma.c

+0 −2

Original line number	Diff line number	Diff line
		@@ -391,8 +391,6 @@ static void s390_dma_alloc(struct device dev, size_t size,
		return NULL;

		pa = page_to_phys(page);
		memset((void *) pa, 0, size);

		map = s390_dma_map_pages(dev, page, 0, size, DMA_BIDIRECTIONAL, 0);
		if (dma_mapping_error(dev, map)) {
		free_pages(pa, get_order(size));

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