x86: remove DMA_ERROR_CODE

Christoph Hellwig · Christoph Hellwig · commit a760088b4518 · 2017-06-28T06:54:36.000-07:00
All dma_map_ops instances now handle their errors through
-&gt;mapping_error.

Signed-off-by: Christoph Hellwig &lt;hch@lst.de&gt;
diff --git 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;
