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usb: hub: Revise wLength for 'get port status' request

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For accuracy, we should use 'sizeof(struct usb_port_status)' as the
wLength for 'get port status' request, although it happens to be
equal to 'sizeof(struct usb_hub_status)'.

Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Stefan Roese <sr@denx.de>
Tested-by: Stefan Roese <sr@denx.de>
This commit is contained in:
Bin Meng
2017-07-19 21:49:59 +08:00
committed by Marek Vasut
parent f342119602
commit 53771a490e
1 changed files with 1 additions and 1 deletions
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2
common/usb_hub.c
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@@ -107,7 +107,7 @@ int usb_get_port_status(struct usb_device *dev, int port, void *data)
{ {
return usb_control_msg(dev, usb_rcvctrlpipe(dev, 0), return usb_control_msg(dev, usb_rcvctrlpipe(dev, 0),
USB_REQ_GET_STATUS, USB_DIR_IN | USB_RT_PORT, 0, port, USB_REQ_GET_STATUS, USB_DIR_IN | USB_RT_PORT, 0, port,
data, sizeof(struct usb_hub_status), USB_CNTL_TIMEOUT); data, sizeof(struct usb_port_status), USB_CNTL_TIMEOUT);
} }