diff options
Diffstat (limited to 'net/netfilter/xt_hashlimit.c')
-rw-r--r-- | net/netfilter/xt_hashlimit.c | 17 |
1 files changed, 13 insertions, 4 deletions
diff --git a/net/netfilter/xt_hashlimit.c b/net/netfilter/xt_hashlimit.c index f330e8beaf69..9ff035c71403 100644 --- a/net/netfilter/xt_hashlimit.c +++ b/net/netfilter/xt_hashlimit.c @@ -3,6 +3,7 @@ * separately for each hashbucket (sourceip/sourceport/dstip/dstport) * * (C) 2003-2004 by Harald Welte <laforge@netfilter.org> + * (C) 2006-2012 Patrick McHardy <kaber@trash.net> * Copyright © CC Computer Consultants GmbH, 2007 - 2008 * * Development of this code was funded by Astaro AG, http://www.astaro.com/ @@ -107,6 +108,7 @@ struct xt_hashlimit_htable { /* seq_file stuff */ struct proc_dir_entry *pde; + const char *name; struct net *net; struct hlist_head hash[0]; /* hashtable itself */ @@ -253,6 +255,11 @@ static int htable_create(struct net *net, struct xt_hashlimit_mtinfo1 *minfo, hinfo->count = 0; hinfo->family = family; hinfo->rnd_initialized = false; + hinfo->name = kstrdup(minfo->name, GFP_KERNEL); + if (!hinfo->name) { + vfree(hinfo); + return -ENOMEM; + } spin_lock_init(&hinfo->lock); hinfo->pde = proc_create_data(minfo->name, 0, @@ -260,6 +267,7 @@ static int htable_create(struct net *net, struct xt_hashlimit_mtinfo1 *minfo, hashlimit_net->ipt_hashlimit : hashlimit_net->ip6t_hashlimit, &dl_file_ops, hinfo); if (hinfo->pde == NULL) { + kfree(hinfo->name); vfree(hinfo); return -ENOMEM; } @@ -330,9 +338,10 @@ static void htable_destroy(struct xt_hashlimit_htable *hinfo) parent = hashlimit_net->ip6t_hashlimit; if(parent != NULL) - remove_proc_entry(hinfo->pde->name, parent); + remove_proc_entry(hinfo->name, parent); htable_selective_cleanup(hinfo, select_all); + kfree(hinfo->name); vfree(hinfo); } @@ -344,7 +353,7 @@ static struct xt_hashlimit_htable *htable_find_get(struct net *net, struct xt_hashlimit_htable *hinfo; hlist_for_each_entry(hinfo, &hashlimit_net->htables, node) { - if (!strcmp(name, hinfo->pde->name) && + if (!strcmp(name, hinfo->name) && hinfo->family == family) { hinfo->use++; return hinfo; @@ -841,7 +850,7 @@ static int dl_proc_open(struct inode *inode, struct file *file) if (!ret) { struct seq_file *sf = file->private_data; - sf->private = PDE(inode)->data; + sf->private = PDE_DATA(inode); } return ret; } @@ -887,7 +896,7 @@ static void __net_exit hashlimit_proc_net_exit(struct net *net) pde = hashlimit_net->ip6t_hashlimit; hlist_for_each_entry(hinfo, &hashlimit_net->htables, node) - remove_proc_entry(hinfo->pde->name, pde); + remove_proc_entry(hinfo->name, pde); hashlimit_net->ipt_hashlimit = NULL; hashlimit_net->ip6t_hashlimit = NULL; |