From: Peter Hurley <peter@hurleysoftware.com>
Date: Sat, 15 Jun 2013 14:04:25 +0000 (-0400)
Subject: n_tty: Eliminate echo_commit memory barrier
X-Git-Tag: v3.12-rc1~182^2~177
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=019ebdf9f26fd2e43b9e1af576835183e95dc82e;p=pandora-kernel.git

n_tty: Eliminate echo_commit memory barrier

Use output_lock mutex as a memory barrier when storing echo_commit.

Signed-off-by: Peter Hurley <peter@hurleysoftware.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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