Merge commit 'v2.6.30-rc5' into core/iommu

Merge reason: core/iommu was on an .30-rc1 base,
              update it to .30-rc5 to refresh.

Signed-off-by: Ingo Molnar <mingo@elte.hu>

1 files 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 */