In the unlikely event that setting the software flow-control characters
fails the other flow-control settings should still be updated (just like
all other terminal settings).
Move out the error message printed by the set_chars() helper to make it
more obvious that this is intentional.
Fixes: 7748feffcd80 ("USB: serial: cp210x: add support for software flow control")
Cc: stable@xxxxxxxxxxxxxxx # 5.11
Signed-off-by: Johan Hovold <johan@xxxxxxxxxx>
---
drivers/usb/serial/cp210x.c | 10 +++++-----
1 file changed, 5 insertions(+), 5 deletions(-)
diff --git a/drivers/usb/serial/cp210x.c b/drivers/usb/serial/cp210x.c
index 09b845d0da41..fd198031de71 100644
--- a/drivers/usb/serial/cp210x.c
+++ b/drivers/usb/serial/cp210x.c
@@ -1163,10 +1163,8 @@ static int cp210x_set_chars(struct usb_serial_port *port,
kfree(dmabuf);
- if (result < 0) {
- dev_err(&port->dev, "failed to set special chars: %d\n", result);
+ if (result < 0)
return result;
- }
return 0;
}
@@ -1218,8 +1216,10 @@ static void cp210x_set_flow_control(struct tty_struct *tty,
chars.bXoffChar = STOP_CHAR(tty);
ret = cp210x_set_chars(port, &chars);
- if (ret)
- return;
+ if (ret) {
+ dev_err(&port->dev, "failed to set special chars: %d\n",
+ ret);
+ }
}
mutex_lock(&port_priv->mutex);
--
2.31.1
