From cac97d38f58edb8865e65de20475ac4ea1169670 Mon Sep 17 00:00:00 2001
From: mlelstv <mlelstv@NetBSD.org>
Date: Sun, 5 Jun 2016 04:53:22 +0000
Subject: [PATCH] Tear down sysctls only after detaching children. This lets
 you enable debugging while detaching hangs.

---
 sys/dev/iscsi/iscsi_main.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/sys/dev/iscsi/iscsi_main.c b/sys/dev/iscsi/iscsi_main.c
index b728dba5fa85..7535d0318716 100644
--- a/sys/dev/iscsi/iscsi_main.c
+++ b/sys/dev/iscsi/iscsi_main.c
@@ -663,12 +663,12 @@ iscsi_modcmd(modcmd_t cmd, void *arg)
 
 	case MODULE_CMD_FINI:
 #ifdef _MODULE
-		sysctl_teardown(&clog);
-
 		error = config_cfdata_detach(iscsi_cfdata);
 		if (error)
 			return error;
 
+		sysctl_teardown(&clog);
+
 		config_cfattach_detach(iscsi_cd.cd_name, &iscsi_ca);
 		config_cfdriver_detach(&iscsi_cd);
 		devsw_detach(NULL, &iscsi_cdevsw);