Commit 7b727acc authored by axel lin's avatar axel lin Committed by Dmitry Torokhov

Input: cm109 - fix checking return value of usb_control_msg

If successful, usb_control_msg returns the number of bytes transferred,
otherwise a negative error number.
Signed-off-by: default avatarAxel Lin <axel.lin@gmail.com>
Signed-off-by: default avatarDmitry Torokhov <dtor@mail.ru>
parent 1fab84aa
...@@ -475,7 +475,7 @@ static void cm109_toggle_buzzer_sync(struct cm109_dev *dev, int on) ...@@ -475,7 +475,7 @@ static void cm109_toggle_buzzer_sync(struct cm109_dev *dev, int on)
le16_to_cpu(dev->ctl_req->wIndex), le16_to_cpu(dev->ctl_req->wIndex),
dev->ctl_data, dev->ctl_data,
USB_PKT_LEN, USB_CTRL_SET_TIMEOUT); USB_PKT_LEN, USB_CTRL_SET_TIMEOUT);
if (error && error != EINTR) if (error < 0 && error != -EINTR)
err("%s: usb_control_msg() failed %d", __func__, error); err("%s: usb_control_msg() failed %d", __func__, error);
} }
......
Markdown is supported
0%
or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment