return NULL;
}
+void dst_release(struct dst_entry *dst)
+{
+ if (dst) {
+ WARN_ON(atomic_read(&dst->__refcnt) < 1);
+ smp_mb__before_atomic_dec();
+ atomic_dec(&dst->__refcnt);
+ }
+}
+EXPORT_SYMBOL(dst_release);
+
/* Dirty hack. We did it in 2.2 (in __dst_free),
* we have _very_ good reasons not to repeat
* this mistake in 2.3, but we have no choice