From 8055c4e7179473fceacb4ad4290980b46ab6ac24 Mon Sep 17 00:00:00 2001
From: jimharris <jimharris@ccf9f872-aa2e-dd11-9fc8-001c23d0bc1f>
Date: Mon, 20 Aug 2012 16:55:55 +0000
Subject: [PATCH] MFC r239021:

In virstor_ctl_stop(), check for a valid softc before trying to update
metadata.

Approved by: re (kib)


git-svn-id: svn://svn.freebsd.org/base/releng/9.1@239449 ccf9f872-aa2e-dd11-9fc8-001c23d0bc1f
---
 sys/geom/virstor/g_virstor.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/sys/geom/virstor/g_virstor.c b/sys/geom/virstor/g_virstor.c
index e9bee5c5..18f8df10 100644
--- a/sys/geom/virstor/g_virstor.c
+++ b/sys/geom/virstor/g_virstor.c
@@ -234,6 +234,12 @@ virstor_ctl_stop(struct gctl_req *req, struct g_class *cp)
 			return;
 		}
 		sc = virstor_find_geom(cp, name);
+		if (sc == NULL) {
+			gctl_error(req, "Don't know anything about '%s'", name);
+			g_topology_unlock();
+			return;
+		}
+
 		LOG_MSG(LVL_INFO, "Stopping %s by the userland command",
 		    sc->geom->name);
 		update_metadata(sc);
-- 
2.42.0