Index: sys/geom/geom_subr.c
===================================================================
--- sys/geom/geom_subr.c	(wersja 238266)
+++ sys/geom/geom_subr.c	(kopia robocza)
@@ -674,6 +674,10 @@
 	g_post_event(g_resize_provider_event, hh, M_WAITOK, NULL);
 }
 
+#ifndef	_PATH_DEV
+#define	_PATH_DEV	"/dev/"
+#endif
+
 struct g_provider *
 g_provider_by_name(char const *arg)
 {
@@ -681,6 +685,9 @@
 	struct g_geom *gp;
 	struct g_provider *pp;
 
+	if (strncmp(arg, _PATH_DEV, sizeof(_PATH_DEV) - 1) == 0)
+		arg += sizeof(_PATH_DEV) - 1;
+
 	LIST_FOREACH(cp, &g_classes, class) {
 		LIST_FOREACH(gp, &cp->geom, geom) {
 			LIST_FOREACH(pp, &gp->provider, provider) {
@@ -689,6 +696,7 @@
 			}
 		}
 	}
+
 	return (NULL);
 }