MDEV#5812 Memory leaks while running mysqld in

bootstrap mode

Added calls to deinit functions at appropriate
places.

extra/my_print_defaults.c

@@ -96,6 +96,11 @@ static struct my_option my_long_options[] =
   {0, 0, 0, 0, 0, 0, GET_NO_ARG, NO_ARG, 0, 0, 0, 0, 0, 0}
 };
 
+void cleanup_and_exit(int exit_code)
+{
+  my_end(0);
+  exit(exit_code);
+}
 
 static void usage(my_bool version)
 {
@@ -110,7 +115,7 @@ static void usage(my_bool version)
   my_print_default_files(config_file);
   my_print_variables(my_long_options);
   printf("\nExample usage:\n%s --defaults-file=example.cnf client client-server mysql\n", my_progname);
-  exit(0);
+  cleanup_and_exit(0);
 }
 
 
@@ -123,7 +128,7 @@ get_one_option(int optid, const struct my_option *opt __attribute__((unused)),
       opt_defaults_file_used= 1;
       break;
     case 'n':
-      exit(0);
+      cleanup_and_exit(0);
     case 'I':
     case '?':
       usage(0);
@@ -172,7 +177,7 @@ int main(int argc, char **argv)
 
   /* Check out the args */
   if (get_options(&argc,&argv))
-    exit(1);
+    cleanup_and_exit(1);
 
   nargs= argc + 1;
   if (opt_mysqld)

sql/mysqld.cc

@@ -1868,6 +1868,10 @@ extern "C" void unireg_abort(int exit_code)
     wsrep_close_threads(thd); /* this won't close all threads */
     sleep(1); /* so give some time to exit for those which can */
     WSREP_INFO("Some threads may fail to exit.");
+
+    /* In bootstrap mode we deinitialize wsrep here. */
+    if (opt_bootstrap && wsrep_inited)
+      wsrep_deinit();
   }
 #endif // WITH_WSREP