diff --git a/arch/mips/mm/dma-default.c b/arch/mips/mm/dma-default.c
index 730d394..cb557d2 100644
--- a/arch/mips/mm/dma-default.c
+++ b/arch/mips/mm/dma-default.c
@@ -88,19 +88,20 @@
 	else
 #endif
 #if defined(CONFIG_ZONE_DMA32) && defined(CONFIG_ZONE_DMA)
-	     if (dev->coherent_dma_mask < DMA_BIT_MASK(32))
+	     if (dev == NULL || dev->coherent_dma_mask < DMA_BIT_MASK(32))
 			dma_flag = __GFP_DMA;
 	else if (dev->coherent_dma_mask < DMA_BIT_MASK(64))
 			dma_flag = __GFP_DMA32;
 	else
 #endif
 #if defined(CONFIG_ZONE_DMA32) && !defined(CONFIG_ZONE_DMA)
-	     if (dev->coherent_dma_mask < DMA_BIT_MASK(64))
+	     if (dev == NULL || dev->coherent_dma_mask < DMA_BIT_MASK(64))
 		dma_flag = __GFP_DMA32;
 	else
 #endif
 #if defined(CONFIG_ZONE_DMA) && !defined(CONFIG_ZONE_DMA32)
-	     if (dev->coherent_dma_mask < DMA_BIT_MASK(sizeof(phys_addr_t) * 8))
+	     if (dev == NULL ||
+		 dev->coherent_dma_mask < DMA_BIT_MASK(sizeof(phys_addr_t) * 8))
 		dma_flag = __GFP_DMA;
 	else
 #endif