From bbb63c514a3464342967237a51a21ea8f61ab951 Mon Sep 17 00:00:00 2001
From: Wanlong Gao <gaowanlong@cn.fujitsu.com>
Date: Mon, 27 Aug 2012 15:23:12 +0800
Subject: [PATCH] drivers:tty:fix up ENOIOCTLCMD error handling

At commit 07d106d0, Linus pointed out that ENOIOCTLCMD should be
translated as ENOTTY to user mode.
For example:
	fd = open("/dev/tty", O_RDWR);
	ioctl(fd, -1, &argp);

then the errno should be ENOTTY but not EINVAL.

Signed-off-by: Wanlong Gao <gaowanlong@cn.fujitsu.com>
Acked-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
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