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-rw-r--r--drivers/watchdog/pcwd_usb.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/watchdog/pcwd_usb.c b/drivers/watchdog/pcwd_usb.c
index 53598e832a2a..b731b5d129be 100644
--- a/drivers/watchdog/pcwd_usb.c
+++ b/drivers/watchdog/pcwd_usb.c
@@ -258,8 +258,8 @@ static int usb_pcwd_send_command(struct usb_pcwd_private *usb_pcwd,
if (usb_control_msg(usb_pcwd->udev, usb_sndctrlpipe(usb_pcwd->udev, 0),
HID_REQ_SET_REPORT, HID_DT_REPORT,
- 0x0200, usb_pcwd->interface_number, buf, sizeof(buf),
- USB_COMMAND_TIMEOUT) != sizeof(buf)) {
+ 0x0200, usb_pcwd->interface_number, buf, 6,
+ USB_COMMAND_TIMEOUT) != 6) {
dbg("usb_pcwd_send_command: error in usb_control_msg for "
"cmd 0x%x 0x%x 0x%x\n", cmd, *msb, *lsb);
}