[PATCH 04/31] x86/pci-nommu: handle page-less SG entries

Christoph Hellwig
2015-08-12T07:05:23Z

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

Signed-off-by: Christoph Hellwig <hch@lst.de>
---
arch/x86/kernel/pci-nommu.c | 1 -
1 file changed, 1 deletion(-)

diff --git a/arch/x86/kernel/pci-nommu.c b/arch/x86/kernel/pci-nommu.c
index da15918..a218059 100644
--- a/arch/x86/kernel/pci-nommu.c
+++ b/arch/x86/kernel/pci-nommu.c
@@ -63,7 +63,6 @@ static int nommu_map_sg(struct device *hwdev, struct scatterlist *sg,
WARN_ON(nents = 0 || sg[0].length = 0);

for_each_sg(sg, s, nents, i) {
- BUG_ON(!sg_page(s));
s->dma_address = sg_phys(s);
if (!check_addr("map_sg", hwdev, s->dma_address, s->length))
return 0;
--
1.9.1