From 9732eb8eae7294a47cd64af5f11221792a984f71 Mon Sep 17 00:00:00 2001
From: Mitchell Horne <mhorne@FreeBSD.org>
Date: Thu, 23 Nov 2023 11:25:54 -0400
Subject: [PATCH] ctl_ha: don't shutdown threads if scheduler is stopped

In this case, just return.

Reviewed by:	markj
MFC after:	1 week
Sponsored by:	The FreeBSD Foundation
Differential Revision:	https://reviews.freebsd.org/D42341

(cherry picked from commit 9d61fd08499609a2c95d1c66f97587932b446f06)
---
 sys/cam/ctl/ctl_ha.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/sys/cam/ctl/ctl_ha.c b/sys/cam/ctl/ctl_ha.c
index 32c83025bb1..1951f74c45f 100644
--- a/sys/cam/ctl/ctl_ha.c
+++ b/sys/cam/ctl/ctl_ha.c
@@ -910,13 +910,16 @@ ctl_ha_msg_shutdown(struct ctl_softc *ctl_softc)
 {
 	struct ha_softc *softc = &ha_softc;
 
+	if (SCHEDULER_STOPPED())
+		return;
+
 	/* Disconnect and shutdown threads. */
 	mtx_lock(&softc->ha_lock);
 	if (softc->ha_shutdown < 2) {
 		softc->ha_shutdown = 1;
 		softc->ha_wakeup = 1;
 		wakeup(&softc->ha_wakeup);
-		while (softc->ha_shutdown < 2 && !SCHEDULER_STOPPED()) {
+		while (softc->ha_shutdown < 2) {
 			msleep(&softc->ha_wakeup, &softc->ha_lock, 0,
 			    "shutdown", hz);
 		}