AcoSail/kernel_optimize_test
8
0
Fork 0
forked from luck/tmp_suning_uos_patched
Code Pull Requests Activity

econet: kill unnecessary spin_lock_init()

Browse Source 
The spinlock aun_queue_lock is initialized statically. It is unnecessary
to initialize by spin_lock_init() at module load time.

This is detected by the semantic patch.

// <smpl>
@def@
declarer name DEFINE_SPINLOCK;
identifier spinlock;
@@

DEFINE_SPINLOCK(spinlock);

@@
identifier def.spinlock;
@@

- spin_lock_init(&spinlock);
// </smpl>

Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com>
Cc: Julia Lawall <julia@diku.dk>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: netdev@vger.kernel.org
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Akinobu Mita 2010-08-27 16:41:56 +00:00 committed by David S. Miller
parent 034de00b06
commit 762c29164e
1 changed files with 0 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
net/econet/af_econet.c
View File

@ -1009,7 +1009,6 @@ static int __init aun_udp_initialise(void)
struct sockaddr_in sin;
skb_queue_head_init(&aun_queue);
spin_lock_init(&aun_queue_lock);
setup_timer(&ab_cleanup_timer, ab_cleanup, 0);
ab_cleanup_timer.expires = jiffies + (HZ*2);
add_timer(&ab_cleanup_timer);
@ -1167,7 +1166,6 @@ static int __init econet_proto_init(void)
goto out;
sock_register(&econet_family_ops);
#ifdef CONFIG_ECONET_AUNUDP
spin_lock_init(&aun_queue_lock);
aun_udp_initialise();
#endif
#ifdef CONFIG_ECONET_NATIVE