# \[PATCH 14/44\] sh: remove DMA\_ERROR\_CODE

- From: Christoph Hellwig \<hidden\>
- Date: 2017-06-08 13:40:30 
- List: netdev
- Page: https://ratatoskr.run/netdev/2017/06/5016113
- Thread: https://ratatoskr.run/linux-arm-kernel/2017/06/5016133/t.md

```text
sh does not return errors for dma_map_page.

Signed-off-by: Christoph Hellwig <redacted>
---
 arch/sh/include/asm/dma-mapping.h | 2 --
 1 file changed, 2 deletions(-)

diff --git a/arch/sh/include/asm/dma-mapping.h b/arch/sh/include/asm/dma-mapping.h
index d99008af5f73..9b06be07db4d 100644
--- a/arch/sh/include/asm/dma-mapping.h
+++ b/arch/sh/include/asm/dma-mapping.h
@@ -9,8 +9,6 @@ static inline const struct dma_map_ops *get_arch_dma_ops(struct bus_type *bus)
 	return dma_ops;
 }
 
-#define DMA_ERROR_CODE 0
-
 void dma_cache_sync(struct device *dev, void *vaddr, size_t size,
 		    enum dma_data_direction dir);
 
-- 
2.11.0
```