svn commit: r208082 - head/sys/geom/multipath

[Matt Jacob]

Author: mjacob
Date: Fri May 14 16:56:18 2010
New Revision: 208082
URL: http://svn.freebsd.org/changeset/base/208082

Log:
  Make sure to check that the active provider pointer points to something before
  dereferencing the pointer.
  
  Sponsored by:   Pansas
  MFC after:	1 week

Modified:
  head/sys/geom/multipath/g_multipath.c

Modified: head/sys/geom/multipath/g_multipath.c
==============================================================================
--- head/sys/geom/multipath/g_multipath.c	Fri May 14 16:55:13 2010	(r208081)
+++ head/sys/geom/multipath/g_multipath.c	Fri May 14 16:56:18 2010	(r208082)
@@ -757,7 +757,7 @@ g_multipath_ctl_getactive(struct gctl_re
 		return;
 	}
 	sc = gp->softc;
-	if (sc->cp_active) {
+	if (sc->cp_active && sc->cp_active->provider) {
 		sbuf_printf(sb, "%s\n", sc->cp_active->provider->name);
 	} else {
 		sbuf_printf(sb, "none\n");