From efe641b939baf83c13aa60cadaa44ad5a501e824 Mon Sep 17 00:00:00 2001
From: Jeff Roberson <jeff@FreeBSD.org>
Date: Mon, 11 Jun 2007 23:27:03 +0000
Subject: [PATCH]  - Add a missing PROC_SUNLOCK() in tdsignal()

---
 sys/kern/kern_sig.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/sys/kern/kern_sig.c b/sys/kern/kern_sig.c
index 33948eb70385..c473418ca403 100644
--- a/sys/kern/kern_sig.c
+++ b/sys/kern/kern_sig.c
@@ -2296,8 +2296,10 @@ do_tdsignal(struct proc *p, struct thread *td, int sig, ksiginfo_t *ksi)
 		MPASS(action == SIG_DFL);
 
 		if (prop & SA_STOP) {
-			if (p->p_flag & P_PPWAIT)
+			if (p->p_flag & P_PPWAIT) {
+				PROC_SUNLOCK(p);
 				goto out;
+			}
 			p->p_flag |= P_STOPPED_SIG;
 			p->p_xstat = sig;
 			sig_suspend_threads(td, p, 1);