From: Peter Hurley <peter@hurleysoftware.com>
Date: Sat, 15 Jun 2013 13:14:17 +0000 (-0400)
Subject: n_tty: Line copy to user buffer in canonical mode
X-Git-Tag: v3.12-rc1~182^2~217
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=32f13521ca68bc624ff6effc77f308a52b038bf0;p=pandora-kernel.git

n_tty: Line copy to user buffer in canonical mode

Instead of pushing one char per loop, pre-compute the data length
to copy and copy all at once.

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