1 files changed, 4 insertions, 0 deletions

diff --git a/include/crypto/scatterwalk.h b/include/crypto/scatterwalk.h
index 224658b8d806..833d208c25d6 100644
--- a/include/crypto/scatterwalk.h
+++ b/include/crypto/scatterwalk.h
@@ -57,10 +57,14 @@ static inline void scatterwalk_sg_chain(struct scatterlist *sg1, int num,
                                         struct scatterlist *sg2)
 {
         sg_set_page(&sg1[num - 1], (void *)sg2, 0, 0);
+        sg1[num - 1].page_link &= ~0x02;
 }
 
 static inline struct scatterlist *scatterwalk_sg_next(struct scatterlist *sg)
 {
+        if (sg_is_last(sg))
+                return NULL;
+
         return (++sg)->length ? sg : (void *)sg_page(sg);
 }