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(parent: fd7c81f) | patch
drivers:tty:fix up ENOIOCTLCMD error handling
authorWanlong Gao <gaowanlong@cn.fujitsu.com>
Mon, 27 Aug 2012 07:23:12 +0000 (15:23 +0800)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Wed, 5 Sep 2012 19:41:57 +0000 (12:41 -0700)
commitbbb63c514a3464342967237a51a21ea8f61ab951
treec3f4892283439d84ee5581a9acb0d24c12f15ad8tree | snapshot
parentfd7c81f864e3d8a2847fc0e36fde78b0da2fdf2ccommit | diff
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>
drivers/tty/tty_io.c diff | blob | history
John Crispins staging tree