X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=net%2Fipv6%2Fip6_flowlabel.c;h=2b7d9ee98832f5d1a0afce7095bc8f8e10dea66f;hb=5e226e4d9016daee170699f8a4188a5505021756;hp=b12cc22e7745d4f629a1abe1871cfce161e551aa;hpb=1212663fba7c5e003e05d24f043d5ed57eb18b24;p=linux-2.6

diff --git a/net/ipv6/ip6_flowlabel.c b/net/ipv6/ip6_flowlabel.c
index b12cc22e77..2b7d9ee988 100644
--- a/net/ipv6/ip6_flowlabel.c
+++ b/net/ipv6/ip6_flowlabel.c
@@ -629,6 +629,7 @@ static struct ip6_flowlabel *ip6fl_get_idx(struct seq_file *seq, loff_t pos)
 }
 
 static void *ip6fl_seq_start(struct seq_file *seq, loff_t *pos)
+	__acquires(ip6_fl_lock)
 {
 	read_lock_bh(&ip6_fl_lock);
 	return *pos ? ip6fl_get_idx(seq, *pos - 1) : SEQ_START_TOKEN;
@@ -647,6 +648,7 @@ static void *ip6fl_seq_next(struct seq_file *seq, void *v, loff_t *pos)
 }
 
 static void ip6fl_seq_stop(struct seq_file *seq, void *v)
+	__releases(ip6_fl_lock)
 {
 	read_unlock_bh(&ip6_fl_lock);
 }
@@ -692,20 +694,36 @@ static const struct file_operations ip6fl_seq_fops = {
 	.llseek		=	seq_lseek,
 	.release	=	seq_release_private,
 };
-#endif
 
+static int ip6_flowlabel_proc_init(struct net *net)
+{
+	if (!proc_net_fops_create(net, "ip6_flowlabel", S_IRUGO, &ip6fl_seq_fops))
+		return -ENOMEM;
+	return 0;
+}
 
-void ip6_flowlabel_init(void)
+static void ip6_flowlabel_proc_fini(struct net *net)
 {
-#ifdef CONFIG_PROC_FS
-	proc_net_fops_create(&init_net, "ip6_flowlabel", S_IRUGO, &ip6fl_seq_fops);
+	proc_net_remove(net, "ip6_flowlabel");
+}
+#else
+static inline int ip6_flowlabel_proc_init(struct net *net)
+{
+	return 0;
+}
+static inline void ip6_flowlabel_proc_fini(struct net *net)
+{
+	return ;
+}
 #endif
+
+int ip6_flowlabel_init(void)
+{
+	return ip6_flowlabel_proc_init(&init_net);
 }
 
 void ip6_flowlabel_cleanup(void)
 {
 	del_timer(&ip6_fl_gc_timer);
-#ifdef CONFIG_PROC_FS
-	proc_net_remove(&init_net, "ip6_flowlabel");
-#endif
+	ip6_flowlabel_proc_fini(&init_net);
 }