# \[PATCH 10/44\] ia64: remove DMA\_ERROR\_CODE

- From: Christoph Hellwig \<hidden\>
- Date: 2017-06-08 13:27:27 
- List: netdev
- Page: https://ratatoskr.run/netdev/2017/06/5016112
- Thread: https://ratatoskr.run/linux-arm-kernel/2017/06/5016133/t.md

```text
All ia64 dma_mapping_ops instances already have a mapping_error member.

Signed-off-by: Christoph Hellwig <redacted>
---
 arch/ia64/include/asm/dma-mapping.h | 2 --
 1 file changed, 2 deletions(-)

diff --git a/arch/ia64/include/asm/dma-mapping.h b/arch/ia64/include/asm/dma-mapping.h
index 73ec3c6f4cfe..3ce5ab4339f3 100644
--- a/arch/ia64/include/asm/dma-mapping.h
+++ b/arch/ia64/include/asm/dma-mapping.h
@@ -12,8 +12,6 @@
 
 #define ARCH_HAS_DMA_GET_REQUIRED_MASK
 
-#define DMA_ERROR_CODE 0
-
 extern const struct dma_map_ops *dma_ops;
 extern struct ia64_machine_vector ia64_mv;
 extern void set_iommu_machvec(void);
-- 
2.11.0
```