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-rw-r--r--net/ipv6/ip6mr.c15
1 files changed, 8 insertions, 7 deletions
diff --git a/net/ipv6/ip6mr.c b/net/ipv6/ip6mr.c
index ad19136086dd..7a4a1b81dbb6 100644
--- a/net/ipv6/ip6mr.c
+++ b/net/ipv6/ip6mr.c
@@ -118,7 +118,7 @@ static void mr6_netlink_event(struct mr6_table *mrt, struct mfc6_cache *mfc,
int cmd);
static int ip6mr_rtm_dumproute(struct sk_buff *skb,
struct netlink_callback *cb);
-static void mroute_clean_tables(struct mr6_table *mrt);
+static void mroute_clean_tables(struct mr6_table *mrt, bool all);
static void ipmr_expire_process(unsigned long arg);
#ifdef CONFIG_IPV6_MROUTE_MULTIPLE_TABLES
@@ -334,7 +334,7 @@ static struct mr6_table *ip6mr_new_table(struct net *net, u32 id)
static void ip6mr_free_table(struct mr6_table *mrt)
{
del_timer_sync(&mrt->ipmr_expire_timer);
- mroute_clean_tables(mrt);
+ mroute_clean_tables(mrt, true);
kfree(mrt);
}
@@ -1542,7 +1542,7 @@ static int ip6mr_mfc_add(struct net *net, struct mr6_table *mrt,
* Close the multicast socket, and clear the vif tables etc
*/
-static void mroute_clean_tables(struct mr6_table *mrt)
+static void mroute_clean_tables(struct mr6_table *mrt, bool all)
{
int i;
LIST_HEAD(list);
@@ -1552,8 +1552,9 @@ static void mroute_clean_tables(struct mr6_table *mrt)
* Shut down all active vif entries
*/
for (i = 0; i < mrt->maxvif; i++) {
- if (!(mrt->vif6_table[i].flags & VIFF_STATIC))
- mif6_delete(mrt, i, &list);
+ if (!all && (mrt->vif6_table[i].flags & VIFF_STATIC))
+ continue;
+ mif6_delete(mrt, i, &list);
}
unregister_netdevice_many(&list);
@@ -1562,7 +1563,7 @@ static void mroute_clean_tables(struct mr6_table *mrt)
*/
for (i = 0; i < MFC6_LINES; i++) {
list_for_each_entry_safe(c, next, &mrt->mfc6_cache_array[i], list) {
- if (c->mfc_flags & MFC_STATIC)
+ if (!all && (c->mfc_flags & MFC_STATIC))
continue;
write_lock_bh(&mrt_lock);
list_del(&c->list);
@@ -1625,7 +1626,7 @@ int ip6mr_sk_done(struct sock *sk)
net->ipv6.devconf_all);
write_unlock_bh(&mrt_lock);
- mroute_clean_tables(mrt);
+ mroute_clean_tables(mrt, false);
err = 0;
break;
}