@@ -47,6 +47,7 @@ struct dst_entry
#define DST_NOXFRM 2
#define DST_NOPOLICY 4
#define DST_NOHASH 8
+#define DST_GRPLDR 16
unsigned long expires;
unsigned short header_len; /* more space at head required */
@@ -610,6 +610,8 @@ static inline int ip_rt_proc_init(void)
static inline void rt_free(struct rtable *rt)
{
+ if (rt->u.dst.flags & DST_GRPLDR)
+ rt->u.dst.rt_next->u.dst.flag |= DST_GRPLDR;
call_rcu_bh(&rt->u.dst.rcu_head, dst_rcu_free);
}
@@ -1143,8 +1145,11 @@ restart:
* relvant to the hash function together, which we use to adjust
* our chain length
*/
- if (*rthp && compare_hash_inputs(&(*rthp)->fl, &rt->fl))
+ if (!*rthi && *rthp &&
+ compare_hash_inputs(&(*rthp)->fl, &rt->fl) &&
+ (cand != rth))
rthi = rth;
+ }
}
if (cand) {
@@ -1205,11 +1210,14 @@ restart:
}
}
- if (rthi)
+ if (rthi) {
rt->u.dst.rt_next = rthi->u.dst.rt_next;
- else
+ rthi->u.dst.flags &= ~(DST_GRPLDR);
+ } else
rt->u.dst.rt_next = rt_hash_table[hash].chain;
+ rt->u.dst.flags |= DST_GRPLDR;
+
#if RT_CACHE_DEBUG >= 2
if (rt->u.dst.rt_next) {
struct rtable *trt;