[PATCH] Add missing device_suspsend(PMSG_FREEZE) calls.

In the recent addition of device_suspend calls into
sys_reboot two code paths were missed.
Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

kernel/sys.c

@@ -391,6 +391,7 @@ asmlinkage long sys_reboot(int magic1, int magic2, unsigned int cmd, void __user
 	case LINUX_REBOOT_CMD_RESTART:
 		notifier_call_chain(&reboot_notifier_list, SYS_RESTART, NULL);
 		system_state = SYSTEM_RESTART;
+		device_suspend(PMSG_FREEZE);
 		device_shutdown();
 		printk(KERN_EMERG "Restarting system.\n");
 		machine_restart(NULL);
@@ -452,6 +453,7 @@ asmlinkage long sys_reboot(int magic1, int magic2, unsigned int cmd, void __user
 		}
 		notifier_call_chain(&reboot_notifier_list, SYS_RESTART, NULL);
 		system_state = SYSTEM_RESTART;
+		device_suspend(PMSG_FREEZE);
 		device_shutdown();
 		printk(KERN_EMERG "Starting new kernel\n");
 		machine_shutdown();