Don't use NULL pointer, always check before use

diff --git a/ext/mysqlnd/mysqlnd.c b/ext/mysqlnd/mysqlnd.c
index 567570a3abb39b26a18bc5fe816d9475bff37222..79580dcc31da342100537db8ab7c740a60ce6c9a 100644 (file)
--- a/ext/mysqlnd/mysqlnd.c
+++ b/ext/mysqlnd/mysqlnd.c
@@ -778,7 +778,9 @@ MYSQLND_METHOD(mysqlnd_conn, connect)(MYSQLND * conn,
                                        }
                                        if (conn->last_query_type == QUERY_SELECT) {
                                                MYSQLND_RES * result = conn->m->use_result(conn TSRMLS_CC);
-                                               result->m.free_result(result, TRUE TSRMLS_CC);
+                                               if (result) {
+                                                       result->m.free_result(result, TRUE TSRMLS_CC);
+                                               }
                                        }
                                }
                        }