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| author | Patrick McHardy <kaber@trash.net> | 2007-07-25 17:00:15 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@suse.de> | 2007-08-09 14:27:46 -0700 |
| commit | 36466b3d9baf45b77bda5c09f174816ab763f100 (patch) | |
| tree | a4b1f38a03108a1e78acaf22a8c86a903254861d | |
| parent | 93ffc3e3671046c3fc641987832628aa8d2edca3 (diff) | |
| download | lwn-36466b3d9baf45b77bda5c09f174816ab763f100.tar.gz lwn-36466b3d9baf45b77bda5c09f174816ab763f100.zip | |
Netfilter: Fix logging regression
[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: <t.artem@mailcity.com>
Upstream-commit: 7e2acc7e
Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
| -rw-r--r-- | net/bridge/netfilter/ebt_log.c | 6 | ||||
| -rw-r--r-- | net/bridge/netfilter/ebt_ulog.c | 8 | ||||
| -rw-r--r-- | net/ipv4/netfilter/ipt_LOG.c | 6 | ||||
| -rw-r--r-- | 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 031bfa4a51fc..984e9c64fb80 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 9411db625917..6fec35225699 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 a42c5cd968b1..361be2bc7eea 100644 --- 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) diff --git a/net/ipv6/netfilter/ip6t_LOG.c b/net/ipv6/netfilter/ip6t_LOG.c index 5bb9cd349350..a7a25177dc0a 100644 --- 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) |