--- qemu/tests/linux-test.c	2018/04/24 16:47:57	1.1.1.2
+++ qemu/tests/linux-test.c	2018/04/24 18:57:16	1.1.1.5
@@ -14,8 +14,7 @@
  *  GNU General Public License for more details.
  *
  *  You should have received a copy of the GNU General Public License
- *  along with this program; if not, write to the Free Software
- *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ *  along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
 #include <stdarg.h>
 #include <stdlib.h>
@@ -64,7 +63,7 @@ int __chk_error(const char *filename, in
     return ret;
 }
 
-#define error(fmt, args...) error1(__FILE__, __LINE__, fmt, ##args)
+#define error(fmt, ...) error1(__FILE__, __LINE__, fmt, ## __VA_ARGS__)
 
 #define chk_error(ret) __chk_error(__FILE__, __LINE__, (ret))
 
@@ -427,7 +426,9 @@ void test_clone(void)
                            CLONE_VM | CLONE_FS | CLONE_FILES | SIGCHLD, "hello2"));
 
     while (waitpid(pid1, &status1, 0) != pid1);
+    free(stack1);
     while (waitpid(pid2, &status2, 0) != pid2);
+    free(stack2);
     if (thread1_res != 5 ||
         thread2_res != 6)
         error("clone");