diff options
| -rw-r--r-- | arch/tile/kernel/pci-dma.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/arch/tile/kernel/pci-dma.c b/arch/tile/kernel/pci-dma.c index 7e22e73..adc369d 100644 --- a/arch/tile/kernel/pci-dma.c +++ b/arch/tile/kernel/pci-dma.c @@ -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; |
