tile PCI DMA: handle a NULL dev argument properly (9b6846ce) · Commits · e / devices / android_kernel_teracube_2e

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;