Add a KASSERT which checks that a class never fails a closing ->access()

call.
svn path=/head/; revision=125802
2004-02-14 17:58:57 +00:00 · 2004-02-14 17:58:57 +00:00 · bfc37a5112 · 2020-12-20 02:59:44 +00:00
commit bfc37a5112
parent f457ed1403
1 changed files with 3 additions and 0 deletions
--- a/sys/geom/geom_subr.c
+++ b/sys/geom/geom_subr.c
@ -627,6 +627,9 @@ g_access(struct g_consumer *cp, int dcr, int dcw, int dce)
 	/* Ok then... */

 	error = pp->geom->access(pp, dcr, dcw, dce);
+	KASSERT(dcr > 0 || dcw > 0 || dce > 0 || error == 0,
+	    ("Geom provider %s::%s failed closing ->access()",
+	    pp->geom->class->name, pp->name));
 	if (!error) {
 		/*
 		 * If we open first write, spoil any partner consumers.