x86: remove DMA_ERROR_CODE

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

Signed-off-by: Christoph Hellwig <hch@lst.de>

diff --git a/arch/x86/include/asm/dma-mapping.h b/arch/x86/include/asm/dma-mapping.h
index 08a0838b83fb33ccbf04abce495c469e95ce4253..c35d228aa3817a9b56ff032556edb0e15233fc94 100644 (file)
--- 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;