powerpc: Fix bug in move of altivec code to vector.S

[deliverable/linux.git] / lib / scatterlist.c

diff --git a/lib/scatterlist.c b/lib/scatterlist.c
index b7b449dafbe5abb59fe06982e337cb31c6a7eaeb..a295e404e9087edc5eb5dff3d4a9746c07f59e63 100644 (file)
--- 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 */