Merge branch 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6
[muen/linux.git] / crypto / af_alg.c
index f1a2caf1b59babb28ad777556b329ea48a2314a4..444a387df219e96a35fb7972f2a1a810e013a60b 100644 (file)
@@ -672,14 +672,15 @@ void af_alg_free_areq_sgls(struct af_alg_async_req *areq)
        }
 
        tsgl = areq->tsgl;
-       for_each_sg(tsgl, sg, areq->tsgl_entries, i) {
-               if (!sg_page(sg))
-                       continue;
-               put_page(sg_page(sg));
-       }
+       if (tsgl) {
+               for_each_sg(tsgl, sg, areq->tsgl_entries, i) {
+                       if (!sg_page(sg))
+                               continue;
+                       put_page(sg_page(sg));
+               }
 
-       if (areq->tsgl && areq->tsgl_entries)
                sock_kfree_s(sk, tsgl, areq->tsgl_entries * sizeof(*tsgl));
+       }
 }
 EXPORT_SYMBOL_GPL(af_alg_free_areq_sgls);