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authorDavid S. Miller <davem@davemloft.net>2008-09-19 21:44:54 +0200
committerDavid S. Miller <davem@davemloft.net>2008-09-19 21:44:54 +0200
commit02a1416478b70cd49bd74827438c8ba797784728 (patch)
treecb1539e902a3651be684f42cefcf89fa56da8f26
parentISDN sockets: add missing lockdep strings (diff)
downloadlinux-02a1416478b70cd49bd74827438c8ba797784728.tar.xz
linux-02a1416478b70cd49bd74827438c8ba797784728.zip
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>
-rw-r--r--include/asm-um/dma-mapping.h7
1 files changed, 7 insertions, 0 deletions
diff --git a/include/asm-um/dma-mapping.h b/include/asm-um/dma-mapping.h
index f0ee4fb55911..90fc708b320e 100644
--- a/include/asm-um/dma-mapping.h
+++ b/include/asm-um/dma-mapping.h
@@ -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