author: Tejun Heo <tj@kernel.org> 2009-04-15 22:10:23 +0900
committer: Jens Axboe <jens.axboe@oracle.com> 2009-04-22 08:35:09 +0200
commit: 23c560a99d78bddf5c251bfa97bce19e4da4b3f3
parent: 091069740304c979f957ceacec39c461d0192158
Commit Summary:
Diffstat:
1 file changed, 6 insertions, 3 deletions
diff --git a/lib/scatterlist.c b/lib/scatterlist.c
index b7b449dafbe5..a295e404e908 100644
--- a/lib/scatterlist.c
+++ b/lib/scatterlist.c
@@ -347,9 +347,12 @@ bool sg_miter_next(struct sg_mapping_iter *miter)
sg_miter_stop(miter);
/* get to the next sg if necessary. __offset is adjusted by stop */
- if (miter->__offset == miter->__sg->length && --miter->__nents) {
- miter->__sg = sg_next(miter->__sg);
- miter->__offset = 0;
+ while (miter->__offset == miter->__sg->length) {
+ if (--miter->__nents) {
+ miter->__sg = sg_next(miter->__sg);
+ miter->__offset = 0;
+ } else
+ return false;
}
/* map the next page */