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fib_trie: call fib_table_flush_external under RTNL

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Move rtnl_lock() before the call to fib4_rules_exit so that
fib_table_flush_external is called under RTNL.

Fixes: 104616e74e ("switchdev: don't support custom ip rules, for now")
Signed-off-by: Sabrina Dubroca <sd@queasysnail.net>
Acked-by: Alexander Duyck <alexander.h.duyck@redhat.com>
Reviewed-by: Jiri Pirko <jiri@resnulli.us>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Sabrina Dubroca 2015-03-10 21:03:54 +01:00 • committed by David S. Miller
parent 8a08919f43
commit 6dede75b7e
1 changed files with 2 additions and 1 deletions
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3
net/ipv4/fib_frontend.c
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@ -1171,11 +1171,12 @@ static void ip_fib_net_exit(struct net *net)
{ {
unsigned int i; unsigned int i;
rtnl_lock();
#ifdef CONFIG_IP_MULTIPLE_TABLES #ifdef CONFIG_IP_MULTIPLE_TABLES
fib4_rules_exit(net); fib4_rules_exit(net);
#endif #endif
rtnl_lock();
for (i = 0; i < FIB_TABLE_HASHSZ; i++) { for (i = 0; i < FIB_TABLE_HASHSZ; i++) {
struct hlist_head *head = &net->ipv4.fib_table_hash[i]; struct hlist_head *head = &net->ipv4.fib_table_hash[i];
struct hlist_node *tmp; struct hlist_node *tmp;