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-rw-r--r--include/linux/dma-mapping.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/include/linux/dma-mapping.h b/include/linux/dma-mapping.h
index 0dba7433af18..ba9114ec5d3a 100644
--- a/include/linux/dma-mapping.h
+++ b/include/linux/dma-mapping.h
@@ -65,7 +65,7 @@ static inline int is_buffer_dma_capable(u64 mask, dma_addr_t addr, size_t size)
65 65
66static inline u64 dma_get_mask(struct device *dev) 66static inline u64 dma_get_mask(struct device *dev)
67{ 67{
68 if (dev->dma_mask && *dev->dma_mask) 68 if (dev && dev->dma_mask && *dev->dma_mask)
69 return *dev->dma_mask; 69 return *dev->dma_mask;
70 return DMA_32BIT_MASK; 70 return DMA_32BIT_MASK;
71} 71}