From 1781f9ef6f5da57feae3a9cf162e416e5c2c6774 Mon Sep 17 00:00:00 2001
From: markj <markj@FreeBSD.org>
Date: Fri, 3 Apr 2020 13:57:41 +0000
Subject: [PATCH] geom_journal: Only stop the switcher process if one was
 started.

PR:		243196
MFC after:	1 week
---
 sys/geom/journal/g_journal.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/sys/geom/journal/g_journal.c b/sys/geom/journal/g_journal.c
index 4bd35f972509..7b9b81337006 100644
--- a/sys/geom/journal/g_journal.c
+++ b/sys/geom/journal/g_journal.c
@@ -2757,7 +2757,8 @@ g_journal_fini(struct g_class *mp)
 	}
 	if (g_journal_event_lowmem != NULL)
 		EVENTHANDLER_DEREGISTER(vm_lowmem, g_journal_event_lowmem);
-	g_journal_stop_switcher();
+	if (g_journal_switcher_proc != NULL)
+		g_journal_stop_switcher();
 }
 
 DECLARE_GEOM_CLASS(g_journal_class, g_journal);