[PATCH 04/31] x86/pci-nommu: handle page-less SG entries
From: Christoph Hellwig <hch@lst.de>
Date: 2015-08-12 07:09:08
Also in:
linux-arch, linux-media, linux-mips, linux-s390, linuxppc-dev, lkml, sparclinux
Subsystem:
the rest, x86 architecture (32-bit and 64-bit) · Maintainers:
Linus Torvalds, Thomas Gleixner, Ingo Molnar, Borislav Petkov, Dave Hansen
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