提交 02a14164 编写于 作者: D 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: NDavid S. Miller <davem@davemloft.net>
上级 821c92f2
......@@ -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
Markdown is supported
0% .
You are about to add 0 people to the discussion. Proceed with caution.
先完成此消息的编辑!
想要评论请 注册