From: Peter Hurley <peter@hurleysoftware.com>
Date: Sat, 15 Jun 2013 14:04:28 +0000 (-0400)
Subject: n_tty: Eliminate counter in __process_echoes
X-Git-Tag: v3.12-rc1~182^2~174
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=29c7c5ca36d9c132cf9c37a09bc43626e790fb4c;p=pandora-kernel.git

n_tty: Eliminate counter in __process_echoes

Since neither echo_commit nor echo_tail can change for the duration
of __process_echoes loop, substitute index comparison for the
snapshot counter.

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