Merge tag 'powerpc-4.9-3' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc...

[cascardo/linux.git] / net / netfilter / nf_log.c

diff --git a/net/netfilter/nf_log.c b/net/netfilter/nf_log.c
index aa5847a..3dca90d 100644 (file)
--- a/net/netfilter/nf_log.c
+++ b/net/netfilter/nf_log.c
@@ -39,12 +39,12 @@ static struct nf_logger *__find_logger(int pf, const char *str_logger)
        return NULL;
 }
 
-void nf_log_set(struct net *net, u_int8_t pf, const struct nf_logger *logger)
+int nf_log_set(struct net *net, u_int8_t pf, const struct nf_logger *logger)
 {
        const struct nf_logger *log;
 
-       if (pf == NFPROTO_UNSPEC)
-               return;
+       if (pf == NFPROTO_UNSPEC || pf >= ARRAY_SIZE(net->nf.nf_loggers))
+               return -EOPNOTSUPP;
 
        mutex_lock(&nf_log_mutex);
        log = nft_log_dereference(net->nf.nf_loggers[pf]);
@@ -52,6 +52,8 @@ void nf_log_set(struct net *net, u_int8_t pf, const struct nf_logger *logger)
                rcu_assign_pointer(net->nf.nf_loggers[pf], logger);
 
        mutex_unlock(&nf_log_mutex);
+
+       return 0;
 }
 EXPORT_SYMBOL(nf_log_set);
 
@@ -420,7 +422,7 @@ static int nf_log_proc_dostring(struct ctl_table *table, int write,
        char buf[NFLOGGER_NAME_LEN];
        int r = 0;
        int tindex = (unsigned long)table->extra1;
-       struct net *net = current->nsproxy->net_ns;
+       struct net *net = table->extra2;
 
        if (write) {
                struct ctl_table tmp = *table;
@@ -474,7 +476,6 @@ static int netfilter_log_sysctl_init(struct net *net)
                                 3, "%d", i);
                        nf_log_sysctl_table[i].procname =
                                nf_log_sysctl_fnames[i];
-                       nf_log_sysctl_table[i].data = NULL;
                        nf_log_sysctl_table[i].maxlen = NFLOGGER_NAME_LEN;
                        nf_log_sysctl_table[i].mode = 0644;
                        nf_log_sysctl_table[i].proc_handler =
@@ -484,6 +485,9 @@ static int netfilter_log_sysctl_init(struct net *net)
                }
        }
 
+       for (i = NFPROTO_UNSPEC; i < NFPROTO_NUMPROTO; i++)
+               table[i].extra2 = net;
+
        net->nf.nf_log_dir_header = register_net_sysctl(net,
                                                "net/netfilter/nf_log",
                                                table);