Commit 02a14164 authored Sep 19, 2008 by David S. Miller

net: Fix build with ARCH=um



If UM is going to claim that it supports DMA by setting
HAS_DMA, it should provide a dma_mapping_error() implementation.

Based upon a report by Julius Volz.

Signed-off-by: David S. Miller <davem@davemloft.net>

parent 821c92f2

include/asm-um/dma-mapping.h

+7 −0

Original line number	Diff line number	Diff line
		@@ -118,4 +118,11 @@ dma_cache_sync(struct device dev, void vaddr, size_t size,
		BUG();
		}

		static inline int
		dma_mapping_error(struct device *dev, dma_addr_t dma_handle)
		{
		BUG();
		return 0;
		}

		#endif