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

Commit Message

Christoph Hellwig Aug. 12, 2015, 7:05 a.m. UTC

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

Signed-off-by: Christoph Hellwig <[e-mail]>
---
 arch/x86/kernel/pci-nommu.c | 1 -
 1 file changed, 1 deletion(-)

Patch

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;