[PATCH 12/31] mn10300: handle page-less SG entries

Christoph Hellwig
2015-08-12T07:05:31Z

Just remove a BUG_ON, the code handles them just fine as-is.

Signed-off-by: Christoph Hellwig <hch@lst.de>
---
arch/mn10300/include/asm/dma-mapping.h | 5 +----
1 file changed, 1 insertion(+), 4 deletions(-)

diff --git a/arch/mn10300/include/asm/dma-mapping.h b/arch/mn10300/include/asm/dma-mapping.h
index a18abfc..b1b1050 100644
--- a/arch/mn10300/include/asm/dma-mapping.h
+++ b/arch/mn10300/include/asm/dma-mapping.h
@@ -57,11 +57,8 @@ int dma_map_sg(struct device *dev, struct scatterlist *sglist, int nents,
BUG_ON(!valid_dma_direction(direction));
WARN_ON(nents = 0 || sglist[0].length = 0);

- for_each_sg(sglist, sg, nents, i) {
- BUG_ON(!sg_page(sg));
-
+ for_each_sg(sglist, sg, nents, i)
sg->dma_address = sg_phys(sg);
- }

mn10300_dcache_flush_inv();
return nents;
--
1.9.1