tree 51aef4f367dfd5676e1eefaaf3f0ba6b8425e5d7
parent a4ed2e737cb73e4405a3649f8aef7619b99fecae
author Peter Hurley <peter@hurleysoftware.com> 1362463745 +0000
committer David S. Miller <davem@davemloft.net> 1362556024 -0500

net/irda: Hold port lock while bumping blocked_open

Although tty_lock() already protects concurrent update to
blocked_open, that fails to meet the separation-of-concerns between
tty_port and tty.

Signed-off-by: Peter Hurley <peter@hurleysoftware.com>
Signed-off-by: David S. Miller <davem@davemloft.net>