# \[PATCH 24/44\] x86: remove DMA\_ERROR\_CODE

- From: Christoph Hellwig \<hch@lst.de\>
- Date: 2017-06-08 13:28:01 
- List: linux-arm-kernel
- Page: https://ratatoskr.run/linux-arm-kernel/2017/06/5016100
- Thread: https://ratatoskr.run/linux-arm-kernel/2017/06/5016133/t.md

```text
All dma_map_ops instances now handle their errors through
->mapping_error.

Signed-off-by: Christoph Hellwig <hch@lst.de>
---
 arch/x86/include/asm/dma-mapping.h | 2 --
 1 file changed, 2 deletions(-)

diff --git a/arch/x86/include/asm/dma-mapping.h b/arch/x86/include/asm/dma-mapping.h
index 08a0838b83fb..c35d228aa381 100644
--- a/arch/x86/include/asm/dma-mapping.h
+++ b/arch/x86/include/asm/dma-mapping.h
@@ -19,8 +19,6 @@
 # define ISA_DMA_BIT_MASK DMA_BIT_MASK(32)
 #endif
 
-#define DMA_ERROR_CODE	0
-
 extern int iommu_merge;
 extern struct device x86_dma_fallback_dev;
 extern int panic_on_overflow;
-- 
2.11.0
```