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authorAl Viro <viro@ftp.linux.org.uk>2007-01-30 13:24:00 +0000
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-01-30 08:39:21 -0800
commit6a13f66043cd755fc7e19f8e0fbb5bfcdf470e74 (patch)
tree301db0c7aa84e1649935fe3c842c75c9a40a67cf /include/asm-alpha
parentd0a23398eeaa374eb0c0435c5a259ffde77c8af0 (diff)
[PATCH] dma-mapping.h stubs fix
do { } while(0) is not a good imitation of function returning void; use ((void)0) instead. Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'include/asm-alpha')
-rw-r--r--include/asm-alpha/dma-mapping.h6
1 files changed, 3 insertions, 3 deletions
diff --git a/include/asm-alpha/dma-mapping.h b/include/asm-alpha/dma-mapping.h
index 1919d72f4c7..75a1aff5b57 100644
--- a/include/asm-alpha/dma-mapping.h
+++ b/include/asm-alpha/dma-mapping.h
@@ -41,9 +41,9 @@ int dma_map_sg(struct device *dev, struct scatterlist *sg, int nents,
#define dma_map_single(dev, va, size, dir) virt_to_phys(va)
#define dma_map_page(dev, page, off, size, dir) (page_to_pa(page) + off)
-#define dma_unmap_single(dev, addr, size, dir) do { } while (0)
-#define dma_unmap_page(dev, addr, size, dir) do { } while (0)
-#define dma_unmap_sg(dev, sg, nents, dir) do { } while (0)
+#define dma_unmap_single(dev, addr, size, dir) ((void)0)
+#define dma_unmap_page(dev, addr, size, dir) ((void)0)
+#define dma_unmap_sg(dev, sg, nents, dir) ((void)0)
#define dma_mapping_error(addr) (0)