mcctrl: fix NULL pointer dereference for unbooted OS instance shutdown

2016-10-26 14:50:07 +09:00
parent f284a80656
commit 059fab2cc0
5 changed files with 34 additions and 7 deletions
--- a/executer/kernel/mcctrl/sysfs_files.c
+++ b/executer/kernel/mcctrl/sysfs_files.c
@ -191,6 +191,11 @@ void free_topology_info(ihk_os_t os)
 {
 	struct mcctrl_usrdata *udp = ihk_host_os_get_usrdata(os);

+	if (!udp) {
+		printk("%s: WARNING: no mcctrl_usrdata found\n", __FUNCTION__);
+		return;
+	}
+
 	free_node_topology(udp);
 	free_cpu_topology(udp);