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-rw-r--r--lib/scatterlist.c9
1 files changed, 6 insertions, 3 deletions
diff --git a/lib/scatterlist.c b/lib/scatterlist.c
index b7b449d..a295e40 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 */