diff options
| author | Johan Hovold <johan@kernel.org> | 2023-06-04 14:35:03 +0200 |
|---|---|---|
| committer | Johan Hovold <johan@kernel.org> | 2023-06-07 17:00:23 +0200 |
| commit | 6ff58ae17fd9523246a260434133ed9ab7f56df2 (patch) | |
| tree | 286bf3fdeec1bef50a64f4597deef90c55f1c82f /drivers/usb/serial/io_edgeport.c | |
| parent | 9561de3a55bed6bdd44a12820ba81ec416e705a7 (diff) | |
USB: serial: return errors from break handling
Start propagating errors to user space when setting the break state
fails.
This will be used by follow-on changes to also report when a driver or
device does not support break control.
Tested-by: Corey Minyard <cminyard@mvista.com>
Signed-off-by: Johan Hovold <johan@kernel.org>
Diffstat (limited to 'drivers/usb/serial/io_edgeport.c')
| -rw-r--r-- | drivers/usb/serial/io_edgeport.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/drivers/usb/serial/io_edgeport.c b/drivers/usb/serial/io_edgeport.c index 3a4c0febf335..abe4bbb0ac65 100644 --- a/drivers/usb/serial/io_edgeport.c +++ b/drivers/usb/serial/io_edgeport.c @@ -1560,12 +1560,12 @@ static int edge_ioctl(struct tty_struct *tty, * SerialBreak * this function sends a break to the port *****************************************************************************/ -static void edge_break(struct tty_struct *tty, int break_state) +static int edge_break(struct tty_struct *tty, int break_state) { struct usb_serial_port *port = tty->driver_data; struct edgeport_port *edge_port = usb_get_serial_port_data(port); struct edgeport_serial *edge_serial = usb_get_serial_data(port->serial); - int status; + int status = 0; if (!edge_serial->is_epic || edge_serial->epic_descriptor.Supports.IOSPChase) { @@ -1597,6 +1597,8 @@ static void edge_break(struct tty_struct *tty, int break_state) dev_dbg(&port->dev, "%s - error sending break set/clear command.\n", __func__); } + + return status; } |