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authorPatrick McHardy <kaber@trash.net>2007-07-24 15:29:55 -0700
committerDavid S. Miller <davem@davemloft.net>2007-07-24 15:29:55 -0700
commit7e2acc7e2711d51705373ac201333c9a0ebd3950 (patch)
tree06bd3d776970a2e09bfca5c67dad4490fd1ea7c0
parentca983cefd950ec929582dd95ba6e46d12c2c6959 (diff)
downloadop-kernel-dev-7e2acc7e2711d51705373ac201333c9a0ebd3950.zip
op-kernel-dev-7e2acc7e2711d51705373ac201333c9a0ebd3950.tar.gz
[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> Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
-rw-r--r--net/bridge/netfilter/ebt_log.c6
-rw-r--r--net/bridge/netfilter/ebt_ulog.c8
-rw-r--r--net/ipv4/netfilter/ipt_LOG.c6
-rw-r--r--net/ipv6/netfilter/ip6t_LOG.c6
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 9411db62..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)
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