Update 3.16 sources from stable (v3.16.7-ckt13)

sources/3.16/file.c

@@ -1829,6 +1829,7 @@ refind_writable:
 			cifsFileInfo_put(inv_file);
 			spin_lock(&cifs_file_list_lock);
 			++refind;
+			inv_file = NULL;
 			goto refind_writable;
 		}
 	}

sources/3.16/smb2ops.c

@@ -633,7 +633,8 @@ smb2_clone_range(const unsigned int xid,
 
 			/* No need to change MaxChunks since already set to 1 */
 			chunk_sizes_updated = true;
-		}
+		} else
+			goto cchunk_out;
 	}
 
 cchunk_out: