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| author | axel lin <axel.lin@gmail.com> | 2011-08-25 09:42:09 -0700 |
|---|---|---|
| committer | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2011-08-26 23:20:30 -0700 |
| commit | 7b727acc412c9320dc56a0fd7312febf8710ac0e (patch) | |
| tree | 2ea966b07efde53952e653fae09e1f6e47344ecd /drivers/input/misc | |
| parent | 1fab84aa635572fbd74df8fd4fd25ea0a24c76e5 (diff) | |
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 <axel.lin@gmail.com>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
Diffstat (limited to 'drivers/input/misc')
| -rw-r--r-- | drivers/input/misc/cm109.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/input/misc/cm109.c b/drivers/input/misc/cm109.c index b09c7d127219..ab860511f016 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); } |