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authorJohan Hovold <jhovold@gmail.com>2013-06-05 12:21:11 +0200
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2013-06-05 08:34:42 -0700
commitf4488035abdac56682153aa0cff3d1dce84e1c54 (patch)
tree4bb1548ed7b57f1a8c7a12bde50c999a8fb3c4a2 /drivers
parenta26f009a070e840fadacb91013b2391ba7ab6cc2 (diff)
USB: serial: fix TIOCMIWAIT return value
Fix regression introduced by commit 143d9d9616 ("USB: serial: add tiocmiwait subdriver operation") which made the ioctl operation return ENODEV rather than ENOIOCTLCMD when a subdriver TIOCMIWAIT implementation is missing. Signed-off-by: Johan Hovold <jhovold@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/usb/serial/usb-serial.c4
1 files changed, 1 insertions, 3 deletions
diff --git a/drivers/usb/serial/usb-serial.c b/drivers/usb/serial/usb-serial.c
index 4753c005cfb..5f6b1ff9d29 100644
--- a/drivers/usb/serial/usb-serial.c
+++ b/drivers/usb/serial/usb-serial.c
@@ -408,7 +408,7 @@ static int serial_ioctl(struct tty_struct *tty,
unsigned int cmd, unsigned long arg)
{
struct usb_serial_port *port = tty->driver_data;
- int retval = -ENODEV;
+ int retval = -ENOIOCTLCMD;
dev_dbg(tty->dev, "%s - cmd 0x%.4x\n", __func__, cmd);
@@ -420,8 +420,6 @@ static int serial_ioctl(struct tty_struct *tty,
default:
if (port->serial->type->ioctl)
retval = port->serial->type->ioctl(tty, cmd, arg);
- else
- retval = -ENOIOCTLCMD;
}
return retval;