From 7b727acc412c9320dc56a0fd7312febf8710ac0e Mon Sep 17 00:00:00 2001 From: axel lin Date: Thu, 25 Aug 2011 09:42:09 -0700 Subject: [PATCH] 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: Axel Lin Signed-off-by: Dmitry Torokhov --- drivers/input/misc/cm109.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/input/misc/cm109.c b/drivers/input/misc/cm109.c index b09c7d12721..ab860511f01 100644 --- a/drivers/input/misc/cm109.c +++ b/drivers/input/misc/cm109.c @@ -475,7 +475,7 @@ static void cm109_toggle_buzzer_sync(struct cm109_dev *dev, int on) le16_to_cpu(dev->ctl_req->wIndex), dev->ctl_data, 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); } -- 2.39.5