ipv6: use spin_trylock_bh

Now there is spin_trylock_bh, use it rather than open coding.

Signed-off-by: Stephen Hemminger <shemminger@vyatta.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Stephen Hemminger 2008-07-22 14:34:35 -07:00 committed by David S. Miller
parent c8a4522245
commit a76d7345a3

View file

@ -1447,10 +1447,8 @@ void fib6_run_gc(unsigned long expires, struct net *net)
gc_args.timeout = expires ? (int)expires : gc_args.timeout = expires ? (int)expires :
net->ipv6.sysctl.ip6_rt_gc_interval; net->ipv6.sysctl.ip6_rt_gc_interval;
} else { } else {
local_bh_disable(); if (!spin_trylock_bh(&fib6_gc_lock)) {
if (!spin_trylock(&fib6_gc_lock)) {
mod_timer(&net->ipv6.ip6_fib_timer, jiffies + HZ); mod_timer(&net->ipv6.ip6_fib_timer, jiffies + HZ);
local_bh_enable();
return; return;
} }
gc_args.timeout = net->ipv6.sysctl.ip6_rt_gc_interval; gc_args.timeout = net->ipv6.sysctl.ip6_rt_gc_interval;