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authorYing Xue <ying.xue@windriver.com>2015-03-25 14:13:01 +0800
committerDavid S. Miller <davem@davemloft.net>2015-03-25 11:40:16 -0400
commit7e3ea6d5c4f4880dbdf85f4083f40d8a3dc9b906 (patch)
tree0ec5daee4af10d7e98b7c22a51a582dae5a60875
parent0144a81cccf7532bead90f0542f517bd028d3b3c (diff)
downloadkernel-7e3ea6d5c4f4880dbdf85f4083f40d8a3dc9b906.tar.gz
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>
-rw-r--r--include/net/sctp/sctp.h3
-rw-r--r--net/sctp/socket.c5
-rw-r--r--net/sctp/sysctl.c4
3 files changed, 3 insertions, 9 deletions
diff --git a/include/net/sctp/sctp.h b/include/net/sctp/sctp.h
index 856f01cb51dd..c56a438c3a1e 100644
--- 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 f1a65398f311..f09de7fac2e6 100644
--- 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 2e9ada10fd84..26d50c565f54 100644
--- 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);