tree ca150ab28a91eba36838ffc1519840fac705aa82
parent 41bdecf17e6dba92256c65972ec79a482d978be5
author stephen hemminger <shemminger@vyatta.com> 1257925236 +0000
committer David S. Miller <davem@davemloft.net> 1257996138 -0800

decnet: convert dndev_lock to spinlock

There is no reason for this lock to be reader/writer since
the reader only has lock held for a very brief period.
The overhead of read_lock is more expensive than spinlock.

Compile tested only, I am not a decnet user.

Signed-off-by: Stephen Hemminger <shemminger@vyatta.com>
Signed-off-by: David S. Miller <davem@davemloft.net>