From mboxrd@z Thu Jan 1 00:00:00 1970 From: Patrick McHardy Subject: [NETFILTER 01/03]: Fix logging regression Date: Tue, 24 Jul 2007 17:54:13 +0200 (MEST) Message-ID: <20070724155344.18487.96067.sendpatchset@localhost.localdomain> References: <20070724155342.18487.35001.sendpatchset@localhost.localdomain> Cc: netfilter-devel@lists.netfilter.org, Patrick McHardy To: davem@davemloft.net Return-path: In-Reply-To: <20070724155342.18487.35001.sendpatchset@localhost.localdomain> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: netfilter-devel-bounces@lists.netfilter.org Errors-To: netfilter-devel-bounces@lists.netfilter.org List-Id: netfilter-devel.vger.kernel.org [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: Signed-off-by: Patrick McHardy --- commit 01e8429f5fcc78ccdf3a9bc785fd7bfec86f5eef tree e93083bbfa6b1aefda551f318525824a3cdb5f6e parent 8324cebeed865164db4c35a86f8608078bdb0609 author Patrick McHardy Tue, 24 Jul 2007 16:34:04 +0200 committer Patrick McHardy Tue, 24 Jul 2007 16:34:04 +0200 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(-) diff --git a/net/bridge/netfilter/ebt_log.c b/net/bridge/netfilter/ebt_log.c index 031bfa4..984e9c6 100644 --- 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) diff --git a/net/bridge/netfilter/ebt_ulog.c b/net/bridge/netfilter/ebt_ulog.c index 9411db6..6fec352 100644 --- 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; } diff --git a/net/ipv4/netfilter/ipt_LOG.c b/net/ipv4/netfilter/ipt_LOG.c index 5937ad1..127a5e8 100644 --- a/net/ipv4/netfilter/ipt_LOG.c +++ b/net/ipv4/netfilter/ipt_LOG.c @@ -479,10 +479,8 @@ 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) diff --git a/net/ipv6/netfilter/ip6t_LOG.c b/net/ipv6/netfilter/ip6t_LOG.c index b05327e..6ab9900 100644 --- a/net/ipv6/netfilter/ip6t_LOG.c +++ b/net/ipv6/netfilter/ip6t_LOG.c @@ -493,10 +493,8 @@ 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)