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| author | Johan Hovold <jhovold@gmail.com> | 2013-06-05 12:21:11 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2013-06-05 17:34:42 +0200 |
| commit | f4488035abdac56682153aa0cff3d1dce84e1c54 (patch) | |
| tree | 4bb1548ed7b57f1a8c7a12bde50c999a8fb3c4a2 /drivers/usb/serial/usb-serial.c | |
| parent | USB: mos7720: fix hardware flow control (diff) | |
| download | linux-f4488035abdac56682153aa0cff3d1dce84e1c54.tar.xz linux-f4488035abdac56682153aa0cff3d1dce84e1c54.zip | |
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/usb/serial/usb-serial.c')
| -rw-r--r-- | drivers/usb/serial/usb-serial.c | 4 |
1 files changed, 1 insertions, 3 deletions
diff --git a/drivers/usb/serial/usb-serial.c b/drivers/usb/serial/usb-serial.c index 4753c005cfb6..5f6b1ff9d29e 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; |