From: Patrick McHardy [NETFILTER]: Fix logging regression Loading one of the LOG target fails if a different target has already registered itself as backend for the same family. This can affect the ipt_LOG and ipt_ULOG modules when both are loaded. Reported and tested by: Upstream-commit: 7e2acc7e Signed-off-by: Patrick McHardy Signed-off-by: Greg Kroah-Hartman --- net/bridge/netfilter/ebt_log.c | 6 ++---- net/bridge/netfilter/ebt_ulog.c | 8 ++------ net/ipv4/netfilter/ipt_LOG.c | 6 ++---- net/ipv6/netfilter/ip6t_LOG.c | 6 ++---- 4 files changed, 8 insertions(+), 18 deletions(-) --- a/net/bridge/netfilter/ebt_log.c +++ b/net/bridge/netfilter/ebt_log.c @@ -196,10 +196,8 @@ static int __init ebt_log_init(void) ret = ebt_register_watcher(&log); if (ret < 0) return ret; - ret = nf_log_register(PF_BRIDGE, &ebt_log_logger); - if (ret < 0 && ret != -EEXIST) - ebt_unregister_watcher(&log); - return ret; + nf_log_register(PF_BRIDGE, &ebt_log_logger); + return 0; } static void __exit ebt_log_fini(void) --- a/net/bridge/netfilter/ebt_ulog.c +++ b/net/bridge/netfilter/ebt_ulog.c @@ -308,12 +308,8 @@ static int __init ebt_ulog_init(void) else if ((ret = ebt_register_watcher(&ulog))) sock_release(ebtulognl->sk_socket); - if (nf_log_register(PF_BRIDGE, &ebt_ulog_logger) < 0) { - printk(KERN_WARNING "ebt_ulog: not logging via ulog " - "since somebody else already registered for PF_BRIDGE\n"); - /* we cannot make module load fail here, since otherwise - * ebtables userspace would abort */ - } + if (ret == 0) + nf_log_register(PF_BRIDGE, &ebt_ulog_logger); return ret; } --- a/net/ipv4/netfilter/ipt_LOG.c +++ b/net/ipv4/netfilter/ipt_LOG.c @@ -477,10 +477,8 @@ static int __init ipt_log_init(void) ret = xt_register_target(&ipt_log_reg); if (ret < 0) return ret; - ret = nf_log_register(PF_INET, &ipt_log_logger); - if (ret < 0 && ret != -EEXIST) - xt_unregister_target(&ipt_log_reg); - return ret; + nf_log_register(PF_INET, &ipt_log_logger); + return 0; } static void __exit ipt_log_fini(void) --- a/net/ipv6/netfilter/ip6t_LOG.c +++ b/net/ipv6/netfilter/ip6t_LOG.c @@ -490,10 +490,8 @@ static int __init ip6t_log_init(void) ret = xt_register_target(&ip6t_log_reg); if (ret < 0) return ret; - ret = nf_log_register(PF_INET6, &ip6t_logger); - if (ret < 0 && ret != -EEXIST) - xt_unregister_target(&ip6t_log_reg); - return ret; + nf_log_register(PF_INET6, &ip6t_logger); + return 0; } static void __exit ip6t_log_fini(void) -- - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/