From: Peter Hurley <peter@hurleysoftware.com>
Date: Tue, 5 Mar 2013 06:09:05 +0000 (+0000)
Subject: net/irda: Hold port lock while bumping blocked_open
X-Git-Tag: v3.9-rc3~36^2~45
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=2f7c069b96ed7b1f6236f2fa7b0bc06f4f54f2d9;p=pandora-kernel.git

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>
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