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authorIngo Molnar <mingo@elte.hu>2008-09-14 14:07:00 +0200
committerIngo Molnar <mingo@elte.hu>2008-09-14 14:07:00 +0200
commit6e03f99803195e5aaf7f247db31b0d11857ccc35 (patch)
treeffd4b1a140854977e984a4390105333845c0e90c /lib
parentx86: convert dma_alloc_coherent to use is_device_dma_capable (diff)
parentMerge master.kernel.org:/home/rmk/linux-2.6-arm (diff)
downloadlinux-6e03f99803195e5aaf7f247db31b0d11857ccc35.tar.xz
linux-6e03f99803195e5aaf7f247db31b0d11857ccc35.zip
Merge branch 'linus' into x86/iommu
Conflicts: lib/swiotlb.c Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'lib')
-rw-r--r--lib/scatterlist.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/lib/scatterlist.c b/lib/scatterlist.c
index 876ba6d5b670..8d2688ff1352 100644
--- a/lib/scatterlist.c
+++ b/lib/scatterlist.c
@@ -422,9 +422,12 @@ static size_t sg_copy_buffer(struct scatterlist *sgl, unsigned int nents,
{
unsigned int offset = 0;
struct sg_mapping_iter miter;
+ unsigned long flags;
sg_miter_start(&miter, sgl, nents, SG_MITER_ATOMIC);
+ local_irq_save(flags);
+
while (sg_miter_next(&miter) && offset < buflen) {
unsigned int len;
@@ -442,6 +445,7 @@ static size_t sg_copy_buffer(struct scatterlist *sgl, unsigned int nents,
sg_miter_stop(&miter);
+ local_irq_restore(flags);
return offset;
}