diff options
Diffstat (limited to 'net/ipv4/netfilter/nf_log_arp.c')
| -rw-r--r-- | net/ipv4/netfilter/nf_log_arp.c | 24 |
1 files changed, 17 insertions, 7 deletions
diff --git a/net/ipv4/netfilter/nf_log_arp.c b/net/ipv4/netfilter/nf_log_arp.c index ccfc78db12ee..d059182c1466 100644 --- a/net/ipv4/netfilter/nf_log_arp.c +++ b/net/ipv4/netfilter/nf_log_arp.c @@ -10,6 +10,7 @@ * it under the terms of the GNU General Public License version 2 as * published by the Free Software Foundation. */ +#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt #include <linux/module.h> #include <linux/spinlock.h> @@ -74,12 +75,12 @@ static void dump_arp_packet(struct nf_log_buf *m, ap->mac_src, ap->ip_src, ap->mac_dst, ap->ip_dst); } -void nf_log_arp_packet(struct net *net, u_int8_t pf, - unsigned int hooknum, const struct sk_buff *skb, - const struct net_device *in, - const struct net_device *out, - const struct nf_loginfo *loginfo, - const char *prefix) +static void nf_log_arp_packet(struct net *net, u_int8_t pf, + unsigned int hooknum, const struct sk_buff *skb, + const struct net_device *in, + const struct net_device *out, + const struct nf_loginfo *loginfo, + const char *prefix) { struct nf_log_buf *m; @@ -130,8 +131,17 @@ static int __init nf_log_arp_init(void) if (ret < 0) return ret; - nf_log_register(NFPROTO_ARP, &nf_arp_logger); + ret = nf_log_register(NFPROTO_ARP, &nf_arp_logger); + if (ret < 0) { + pr_err("failed to register logger\n"); + goto err1; + } + return 0; + +err1: + unregister_pernet_subsys(&nf_log_arp_net_ops); + return ret; } static void __exit nf_log_arp_exit(void) |