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
commit a76d7345a3