[PATCH] Add try_to_freeze to kauditd

kauditd was causing suspends to fail because it refused to freeze.  Adding
a try_to_freeze() to its sleep loop solves the issue.
Signed-off-by: NPierre Ossman <drzeus@drzeus.cx>
Acked-by: NPavel Machek <pavel@suse.cz>
Cc: David Woodhouse <dwmw2@infradead.org>
Signed-off-by: NAndrew Morton <akpm@osdl.org>
Signed-off-by: NLinus Torvalds <torvalds@osdl.org>

kernel/audit.c

@@ -291,8 +291,10 @@ int kauditd_thread(void *dummy)
 			set_current_state(TASK_INTERRUPTIBLE);
 			add_wait_queue(&kauditd_wait, &wait);
 
-			if (!skb_queue_len(&audit_skb_queue))
+			if (!skb_queue_len(&audit_skb_queue)) {
+				try_to_freeze();
 				schedule();
+			}
 
 			__set_current_state(TASK_RUNNING);
 			remove_wait_queue(&kauditd_wait, &wait);