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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>
This commit is contained in:
Ying Xue 2015-03-25 14:13:01 +08:00 committed by David S. Miller
parent 0144a81ccc
commit 7e3ea6d5c4
3 changed files with 3 additions and 9 deletions
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3
include/net/sctp/sctp.h
View File

@ -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

5
net/sctp/socket.c
View File

@ -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;

4
net/sctp/sysctl.c
View File

@ -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);