diff options
| author | Jiri Pirko <jpirko@redhat.com> | 2010-04-23 01:01:52 +0000 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2010-04-23 16:37:33 -0700 |
| commit | 3a737028630bb3c2b9efc38b9ddef2e09b06b808 (patch) | |
| tree | d1d1a4fbaa71f966f4f9b793a792211d59fda834 /net/l2tp | |
| parent | e773aaff8295e7f3428d9cf6f8a476a33de00716 (diff) | |
| download | lwn-3a737028630bb3c2b9efc38b9ddef2e09b06b808.tar.gz lwn-3a737028630bb3c2b9efc38b9ddef2e09b06b808.zip | |
l2tp_eth: fix memory allocation
Since .size is set properly in "struct pernet_operations l2tp_eth_net_ops",
allocating space for "struct l2tp_eth_net" by hand is not correct, even causes
memory leakage.
Signed-off-by: Jiri Pirko <jpirko@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/l2tp')
| -rw-r--r-- | net/l2tp/l2tp_eth.c | 29 |
1 files changed, 1 insertions, 28 deletions
diff --git a/net/l2tp/l2tp_eth.c b/net/l2tp/l2tp_eth.c index ca1164afeb74..58c6c4cda73b 100644 --- a/net/l2tp/l2tp_eth.c +++ b/net/l2tp/l2tp_eth.c @@ -276,43 +276,16 @@ out: static __net_init int l2tp_eth_init_net(struct net *net) { - struct l2tp_eth_net *pn; - int err; - - pn = kzalloc(sizeof(*pn), GFP_KERNEL); - if (!pn) - return -ENOMEM; + struct l2tp_eth_net *pn = net_generic(net, l2tp_eth_net_id); INIT_LIST_HEAD(&pn->l2tp_eth_dev_list); spin_lock_init(&pn->l2tp_eth_lock); - err = net_assign_generic(net, l2tp_eth_net_id, pn); - if (err) - goto out; - return 0; - -out: - kfree(pn); - return err; -} - -static __net_exit void l2tp_eth_exit_net(struct net *net) -{ - struct l2tp_eth_net *pn; - - pn = net_generic(net, l2tp_eth_net_id); - /* - * if someone has cached our net then - * further net_generic call will return NULL - */ - net_assign_generic(net, l2tp_eth_net_id, NULL); - kfree(pn); } static __net_initdata struct pernet_operations l2tp_eth_net_ops = { .init = l2tp_eth_init_net, - .exit = l2tp_eth_exit_net, .id = &l2tp_eth_net_id, .size = sizeof(struct l2tp_eth_net), }; |