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Commit dce5cbee authored by Denis V. Lunev's avatar Denis V. Lunev Committed by David S. Miller
Browse files

[IPV4]: Fix memory leak on error path during FIB initialization. 



net->ipv4.fib_table_hash is not freed when fib4_rules_init failed.

Signed-off-by: default avatarDenis V. Lunev <den@openvz.org>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 3ed5df44

net/ipv4/fib_frontend.c

+9 −1
Original line number Diff line number Diff line
@@ -975,6 +975,7 @@ static struct notifier_block fib_netdev_notifier = { 


static int __net_init ip_fib_net_init(struct net *net)

{

	int err;

	unsigned int i;



	net->ipv4.fib_table_hash = kzalloc(
@@ -985,7 +986,14 @@ static int __net_init ip_fib_net_init(struct net *net) 
	for (i = 0; i < FIB_TABLE_HASHSZ; i++)

		INIT_HLIST_HEAD(&net->ipv4.fib_table_hash[i]);



	return fib4_rules_init(net);

	err = fib4_rules_init(net);

	if (err < 0)

		goto fail;

	return 0;



fail:

	kfree(net->ipv4.fib_table_hash);

	return err;

}



static void __net_exit ip_fib_net_exit(struct net *net)