sctp: Don't abort initialization when CONFIG_PROC_FS=n

This puts CONFIG_PROC_FS defines around the proc init/exit functions
and also avoids compiling proc.c if procfs is not supported.
Also make SCTP_DBG_OBJCNT depend on procfs.

Signed-off-by: Florian Westphal <fw@strlen.de>
Signed-off-by: Vlad Yasevich <vladislav.yasevich@hp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 10 insertions, 1 deletions

diff --git a/net/sctp/protocol.c b/net/sctp/protocol.c
index 98c6a882016..dd811a8456a 100644
--- a/net/sctp/protocol.c
+++ b/net/sctp/protocol.c
@@ -64,9 +64,12 @@
 
 /* Global data structures. */
 struct sctp_globals sctp_globals __read_mostly;
-struct proc_dir_entry   *proc_net_sctp;
 DEFINE_SNMP_STAT(struct sctp_mib, sctp_statistics) __read_mostly;
 
+#ifdef CONFIG_PROC_FS
+struct proc_dir_entry   *proc_net_sctp;
+#endif
+
 struct idr sctp_assocs_id;
 DEFINE_SPINLOCK(sctp_assocs_id_lock);
 
@@ -97,6 +100,7 @@ struct sock *sctp_get_ctl_sock(void)
 /* Set up the proc fs entry for the SCTP protocol. */
 static __init int sctp_proc_init(void)
 {
+#ifdef CONFIG_PROC_FS
         if (!proc_net_sctp) {
                 struct proc_dir_entry *ent;
                 ent = proc_mkdir("sctp", init_net.proc_net);
@@ -131,6 +135,9 @@ out_snmp_proc_init:
         }
 out_nomem:
         return -ENOMEM;
+#else
+        return 0;
+#endif /* CONFIG_PROC_FS */
 }
 
 /* Clean up the proc fs entry for the SCTP protocol.
@@ -139,6 +146,7 @@ out_nomem:
  */
 static void sctp_proc_exit(void)
 {
+#ifdef CONFIG_PROC_FS
         sctp_snmp_proc_exit();
         sctp_eps_proc_exit();
         sctp_assocs_proc_exit();
@@ -148,6 +156,7 @@ static void sctp_proc_exit(void)
                 proc_net_sctp = NULL;
                 remove_proc_entry("sctp", init_net.proc_net);
         }
+#endif
 }
 
 /* Private helper to extract ipv4 address and stash them in