Merge branch 'master' into tk71

[mv-sheeva.git] / net / netfilter / nf_log.c

diff --git a/net/netfilter/nf_log.c b/net/netfilter/nf_log.c
index 7df37fd786bc19406a5ed8a8558df95cd26d93be..91816998ed86c065041acd185eb1a197672cadca 100644 (file)
--- a/net/netfilter/nf_log.c
+++ b/net/netfilter/nf_log.c
@@ -16,7 +16,7 @@
 #define NF_LOG_PREFIXLEN               128
 #define NFLOGGER_NAME_LEN              64
 
-static const struct nf_logger *nf_loggers[NFPROTO_NUMPROTO] __read_mostly;
+static const struct nf_logger __rcu *nf_loggers[NFPROTO_NUMPROTO] __read_mostly;
 static struct list_head nf_loggers_l[NFPROTO_NUMPROTO] __read_mostly;
 static DEFINE_MUTEX(nf_log_mutex);
 
@@ -85,6 +85,8 @@ EXPORT_SYMBOL(nf_log_unregister);
 
 int nf_log_bind_pf(u_int8_t pf, const struct nf_logger *logger)
 {
+       if (pf >= ARRAY_SIZE(nf_loggers))
+               return -EINVAL;
        mutex_lock(&nf_log_mutex);
        if (__find_logger(pf, logger->name) == NULL) {
                mutex_unlock(&nf_log_mutex);
@@ -98,6 +100,8 @@ EXPORT_SYMBOL(nf_log_bind_pf);
 
 void nf_log_unbind_pf(u_int8_t pf)
 {
+       if (pf >= ARRAY_SIZE(nf_loggers))
+               return;
        mutex_lock(&nf_log_mutex);
        rcu_assign_pointer(nf_loggers[pf], NULL);
        mutex_unlock(&nf_log_mutex);