Commit 9b6846ce authored by Chris Metcalf's avatar Chris Metcalf
Browse files

tile PCI DMA: handle a NULL dev argument properly 



Signed-off-by: default avatarChris Metcalf <cmetcalf@tilera.com>
parent cf89c426

arch/tile/kernel/pci-dma.c

+3 −2
Original line number Diff line number Diff line
@@ -36,8 +36,9 @@ static void *tile_dma_alloc_coherent(struct device *dev, size_t size, 
				     dma_addr_t *dma_handle, gfp_t gfp,

				     struct dma_attrs *attrs)

{

	u64 dma_mask = dev->coherent_dma_mask ?: DMA_BIT_MASK(32);

	int node = dev_to_node(dev);

	u64 dma_mask = (dev && dev->coherent_dma_mask) ?

		dev->coherent_dma_mask : DMA_BIT_MASK(32);

	int node = dev ? dev_to_node(dev) : 0;

	int order = get_order(size);

	struct page *pg;

	dma_addr_t addr;