Make sure we return 0 or a negative error number appropriate for
userspace on errors.
Signed-off-by: Johan Hovold <jhov...@gmail.com>
---
drivers/usb/serial/pl2303.c | 7 +++++--
1 file changed, 5 insertions(+), 2 deletions(-)
diff --git a/drivers/usb/serial/pl2303.c b/drivers/usb/serial/pl2303.c
index 4b709585..849d6d3 100644
--- a/drivers/usb/serial/pl2303.c
+++ b/drivers/usb/serial/pl2303.c
@@ -553,10 +553,13 @@ static int pl2303_tiocmset(struct tty_struct *tty,
spin_unlock_irqrestore(&priv->lock, flags);
mutex_lock(&serial->disc_mutex);
- if (!serial->disconnected)
+ if (!serial->disconnected) {
ret = pl2303_set_control_lines(port, control);
- else
+ if (ret)
+ ret = usb_translate_errors(ret);
+ } else {
ret = -ENODEV;
+ }
mutex_unlock(&serial->disc_mutex);
return ret;
--
1.8.1.5
--
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