[PATCH] Input: cm109 - fix checking return value of usb_control_msg
From: Axel Lin <hidden>
Date: 2011-08-25 14:07:11
Also in:
linux-input
Subsystem:
input (keyboard, mouse, joystick, touchscreen) drivers, the rest · Maintainers:
Dmitry Torokhov, Linus Torvalds
If successful, usb_control_msg returns the number of bytes transferred, otherwise a negative error number. Signed-off-by: Axel Lin <redacted> --- 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 b09c7d1..b741338 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); }
--
1.7.4.1