From f95499c3030fe1bfad57745f2db1959c5b43dca8 Mon Sep 17 00:00:00 2001
From: Peter Hurley <peter@hurleysoftware.com>
Date: Sat, 15 Jun 2013 09:14:29 -0400
Subject: [PATCH] n_tty: Don't wait for buffer work in read() loop

User-space read() can run concurrently with receiving from device;
waiting for receive_buf() to complete is not required.

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