sctp: avoid to repeatedly declare external variables

Move the declaration for external variables to sctp.h file avoiding
to repeatedly declare them with extern keyword.

Signed-off-by: Ying Xue <ying.xue@windriver.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/include/net/sctp/sctp.h b/include/net/sctp/sctp.h
index 856f01cb51dd296ed591719c4fc4504cb0bf12ef..c56a438c3a1eaf89d630edb17dd20802f0e01590 100644 (file)
--- a/include/net/sctp/sctp.h
+++ b/include/net/sctp/sctp.h
@@ -166,6 +166,9 @@ void sctp_remaddr_proc_exit(struct net *net);
   */
 extern struct kmem_cache *sctp_chunk_cachep __read_mostly;
 extern struct kmem_cache *sctp_bucket_cachep __read_mostly;
+extern long sysctl_sctp_mem[3];
+extern int sysctl_sctp_rmem[3];
+extern int sysctl_sctp_wmem[3];
 
 /*
  *  Section:  Macros, externs, and inlines

diff --git a/net/sctp/socket.c b/net/sctp/socket.c
index f1a65398f3118ab5d3a884e9c875620560e6b5ef..f09de7fac2e6acddad8b2e046dbf626e329cb674 100644 (file)
--- a/net/sctp/socket.c
+++ b/net/sctp/socket.c
@@ -102,11 +102,6 @@ static int sctp_autobind(struct sock *sk);
 static void sctp_sock_migrate(struct sock *, struct sock *,
                              struct sctp_association *, sctp_socket_type_t);
 
-extern struct kmem_cache *sctp_bucket_cachep;
-extern long sysctl_sctp_mem[3];
-extern int sysctl_sctp_rmem[3];
-extern int sysctl_sctp_wmem[3];
-
 static int sctp_memory_pressure;
 static atomic_long_t sctp_memory_allocated;
 struct percpu_counter sctp_sockets_allocated;

diff --git a/net/sctp/sysctl.c b/net/sctp/sysctl.c
index 2e9ada10fd846c10bc6281c30f29cf1fed02ca3c..26d50c565f54223ec28d29358932227b4b22acd1 100644 (file)
--- a/net/sctp/sysctl.c
+++ b/net/sctp/sysctl.c
@@ -58,10 +58,6 @@ static unsigned long max_autoclose_max =
        (MAX_SCHEDULE_TIMEOUT / HZ > UINT_MAX)
        ? UINT_MAX : MAX_SCHEDULE_TIMEOUT / HZ;
 
-extern long sysctl_sctp_mem[3];
-extern int sysctl_sctp_rmem[3];
-extern int sysctl_sctp_wmem[3];
-
 static int proc_sctp_do_hmac_alg(struct ctl_table *ctl, int write,
                                void __user *buffer, size_t *lenp,
                                loff_t *ppos);