From: Wanlong Gao <gaowanlong@cn.fujitsu.com>
Date: Mon, 27 Aug 2012 07:23:12 +0000 (+0800)
Subject: drivers:tty:fix up ENOIOCTLCMD error handling
X-Git-Tag: omap-cleanup-sparseirq-for-v3.7~71
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=bbb63c514a3464342967237a51a21ea8f61ab951;p=pandora-kernel.git

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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