diff --git a/arch/x86/kernel/pci-nommu.c b/arch/x86/kernel/pci-nommu.c
index 73853d3fdcac..0f51883cc6a8 100644
--- a/arch/x86/kernel/pci-nommu.c
+++ b/arch/x86/kernel/pci-nommu.c
@@ -80,9 +80,6 @@ nommu_alloc_coherent(struct device *hwdev, size_t size,
 	int node;
 	struct page *page;
 
-	if (hwdev->dma_mask == NULL)
-		return NULL;
-
 	gfp &= ~(__GFP_DMA | __GFP_HIGHMEM | __GFP_DMA32);
 	gfp |= __GFP_ZERO;
 
diff --git a/include/asm-x86/dma-mapping.h b/include/asm-x86/dma-mapping.h
index 3a9a6f5e681a..088c56814aa3 100644
--- a/include/asm-x86/dma-mapping.h
+++ b/include/asm-x86/dma-mapping.h
@@ -254,6 +254,9 @@ dma_alloc_coherent(struct device *dev, size_t size, dma_addr_t *dma_handle,
 		gfp |= GFP_DMA;
 	}
 
+	if (!dev->dma_mask)
+		return NULL;
+
 	if (ops->alloc_coherent)
 		return ops->alloc_coherent(dev, size,
 				dma_handle, gfp);