[NETFILTER]: nf_log: remove incomprehensible comment

[linux-2.6] / net / netfilter / nf_log.c

diff --git a/net/netfilter/nf_log.c b/net/netfilter/nf_log.c
index 91b220cf5a1fee639d506c3ba48a69f1fc7e9664..4f5f2885fcac31de3d43f2eceba9c8ba8ebf75eb 100644 (file)
--- a/net/netfilter/nf_log.c
+++ b/net/netfilter/nf_log.c
@@ -6,20 +6,21 @@
 #include <linux/netfilter.h>
 #include <linux/seq_file.h>
 #include <net/protocol.h>
+#include <net/netfilter/nf_log.h>
 
 #include "nf_internals.h"
 
-/* Internal logging interface, which relies on the real 
+/* Internal logging interface, which relies on the real
    LOG target modules */
 
 #define NF_LOG_PREFIXLEN               128
 
-static struct nf_logger *nf_loggers[NPROTO];
+static const struct nf_logger *nf_loggers[NPROTO] __read_mostly;
 static DEFINE_MUTEX(nf_log_mutex);
 
 /* return EBUSY if somebody else is registered, EEXIST if the same logger
  * is registred, 0 on success. */
-int nf_log_register(int pf, struct nf_logger *logger)
+int nf_log_register(int pf, const struct nf_logger *logger)
 {
        int ret;
 
@@ -57,7 +58,7 @@ void nf_log_unregister_pf(int pf)
 }
 EXPORT_SYMBOL(nf_log_unregister_pf);
 
-void nf_log_unregister(struct nf_logger *logger)
+void nf_log_unregister(const struct nf_logger *logger)
 {
        int i;
 
@@ -77,12 +78,12 @@ void nf_log_packet(int pf,
                   const struct sk_buff *skb,
                   const struct net_device *in,
                   const struct net_device *out,
-                  struct nf_loginfo *loginfo,
+                  const struct nf_loginfo *loginfo,
                   const char *fmt, ...)
 {
        va_list args;
        char prefix[NF_LOG_PREFIXLEN];
-       struct nf_logger *logger;
+       const struct nf_logger *logger;
 
        rcu_read_lock();
        logger = rcu_dereference(nf_loggers[pf]);
@@ -90,7 +91,6 @@ void nf_log_packet(int pf,
                va_start(args, fmt);
                vsnprintf(prefix, sizeof(prefix), fmt, args);
                va_end(args);
-               /* We must read logging before nf_logfn[pf] */
                logger->logfn(pf, hooknum, skb, in, out, loginfo, prefix);
        } else if (net_ratelimit()) {
                printk(KERN_WARNING "nf_log_packet: can\'t log since "
@@ -140,7 +140,7 @@ static int seq_show(struct seq_file *s, void *v)
        return seq_printf(s, "%2lld %s\n", *pos, logger->name);
 }
 
-static struct seq_operations nflog_seq_ops = {
+static const struct seq_operations nflog_seq_ops = {
        .start  = seq_start,
        .next   = seq_next,
        .stop   = seq_stop,