arm64: remove DMA_ERROR_CODE

[karo-tx-linux.git] / arch / arm64 / mm / dma-mapping.c

diff --git a/arch/arm64/mm/dma-mapping.c b/arch/arm64/mm/dma-mapping.c
index 3216e098c05877178705cdcd659a375e0afec0fd..147fbb907a2f9d733249419aa8a822b14c0f8b0d 100644 (file)
--- a/arch/arm64/mm/dma-mapping.c
+++ b/arch/arm64/mm/dma-mapping.c
@@ -184,7 +184,6 @@ static void *__dma_alloc(struct device *dev, size_t size,
 no_map:
        __dma_free_coherent(dev, size, ptr, *dma_handle, attrs);
 no_mem:
-       *dma_handle = DMA_ERROR_CODE;
        return NULL;
 }
 
@@ -487,7 +486,7 @@ static dma_addr_t __dummy_map_page(struct device *dev, struct page *page,
                                   enum dma_data_direction dir,
                                   unsigned long attrs)
 {
-       return DMA_ERROR_CODE;
+       return 0;
 }
 
 static void __dummy_unmap_page(struct device *dev, dma_addr_t dev_addr,