--- zzzz-none-000/linux-2.6.32.61/kernel/signal.c	2013-06-10 09:43:48.000000000 +0000
+++ ar9-7330-650/linux-2.6.32.61/kernel/signal.c	2013-10-15 13:30:03.000000000 +0000
@@ -518,7 +518,9 @@
  */
 void signal_wake_up_state(struct task_struct *t, unsigned int state)
 {
+
 	set_tsk_thread_flag(t, TIF_SIGPENDING);
+
 	/*
 	 * TASK_WAKEKILL also means wake it up in the stopped/traced/killable
 	 * case. We don't check t->state here because there is a race with it
@@ -1069,6 +1071,7 @@
 
 	return sighand;
 }
+EXPORT_SYMBOL(lock_task_sighand);
 
 /*
  * send signal info to all the members of a group