[IPV6]: create route6 proc init-fini functions
Make the proc creation/destruction to be a separate function. That
allows to remove the #ifdef CONFIG_PROC_FS in the init/fini function
and make them more readable.
Signed-off-by: Daniel Lezcano <dlezcano@fr.ibm.com>
Acked-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/ipv6/route.c b/net/ipv6/route.c
index 6f833ca..dbdae14 100644
--- a/net/ipv6/route.c
+++ b/net/ipv6/route.c
@@ -2358,6 +2358,40 @@
.llseek = seq_lseek,
.release = single_release,
};
+
+static int ipv6_route_proc_init(struct net *net)
+{
+ int ret = -ENOMEM;
+ if (!proc_net_fops_create(net, "ipv6_route",
+ 0, &ipv6_route_proc_fops))
+ goto out;
+
+ if (!proc_net_fops_create(net, "rt6_stats",
+ S_IRUGO, &rt6_stats_seq_fops))
+ goto out_ipv6_route;
+
+ ret = 0;
+out:
+ return ret;
+out_ipv6_route:
+ proc_net_remove(net, "ipv6_route");
+ goto out;
+}
+
+static void ipv6_route_proc_fini(struct net *net)
+{
+ proc_net_remove(net, "ipv6_route");
+ proc_net_remove(net, "rt6_stats");
+}
+#else
+static inline int ipv6_route_proc_init(struct net *net)
+{
+ return 0;
+}
+static inline void ipv6_route_proc_fini(struct net *net)
+{
+ return ;
+}
#endif /* CONFIG_PROC_FS */
#ifdef CONFIG_SYSCTL
@@ -2484,21 +2518,14 @@
if (ret)
goto out_kmem_cache;
-#ifdef CONFIG_PROC_FS
- ret = -ENOMEM;
- if (!proc_net_fops_create(&init_net, "ipv6_route",
- 0, &ipv6_route_proc_fops))
+ ret = ipv6_route_proc_init(&init_net);
+ if (ret)
goto out_fib6_init;
- if (!proc_net_fops_create(&init_net, "rt6_stats",
- S_IRUGO, &rt6_stats_seq_fops))
- goto out_proc_ipv6_route;
-#endif
-
#ifdef CONFIG_XFRM
ret = xfrm6_init();
if (ret)
- goto out_proc_rt6_stats;
+ goto out_proc_init;
#endif
#ifdef CONFIG_IPV6_MULTIPLE_TABLES
ret = fib6_rules_init();
@@ -2522,14 +2549,10 @@
#endif
#ifdef CONFIG_XFRM
xfrm6_fini();
-out_proc_rt6_stats:
#endif
-#ifdef CONFIG_PROC_FS
- proc_net_remove(&init_net, "rt6_stats");
-out_proc_ipv6_route:
- proc_net_remove(&init_net, "ipv6_route");
+out_proc_init:
+ ipv6_route_proc_fini(&init_net);
out_fib6_init:
-#endif
rt6_ifdown(NULL);
fib6_gc_cleanup();
out_kmem_cache:
@@ -2542,8 +2565,7 @@
#ifdef CONFIG_IPV6_MULTIPLE_TABLES
fib6_rules_cleanup();
#endif
- proc_net_remove(&init_net, "ipv6_route");
- proc_net_remove(&init_net, "rt6_stats");
+ ipv6_route_proc_fini(&init_net);
#ifdef CONFIG_XFRM
xfrm6_fini();
#endif