dma-mapping: add unlikely hint to error path in dma_mapping_error

[linux-2.6-microblaze.git] / include / linux / dma-mapping.h

diff --git a/include/linux/dma-mapping.h b/include/linux/dma-mapping.h
index e9d19b9..183e710 100644 (file)
--- a/include/linux/dma-mapping.h
+++ b/include/linux/dma-mapping.h
@@ -95,7 +95,7 @@ static inline int dma_mapping_error(struct device *dev, dma_addr_t dma_addr)
 {
        debug_dma_mapping_error(dev, dma_addr);
 
-       if (dma_addr == DMA_MAPPING_ERROR)
+       if (unlikely(dma_addr == DMA_MAPPING_ERROR))
                return -ENOMEM;
        return 0;
 }