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watchdog: pcwd_usb: overflow in usb_pcwd_send_command()

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We changed "buf" from being an array of 6 chars to being a pointer this
sizeof(buf) needs to be updated as well.

Fixes: 2ddb8089a7e5 ('watchdog: pcwd_usb: Use allocated buffer for usb_control_msg')
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
This commit is contained in:
Dan Carpenter
2013-11-08 01:24:19 -08:00
committed by Wim Van Sebroeck
parent 0859ffc3b3
commit ab5bbdc701
1 changed files with 2 additions and 2 deletions
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drivers/watchdog/pcwd_usb.c
+2 -2
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@@ -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);
}