On Tue, 2017-07-11 at 17:21 +0200, Enrico Mioso wrote:
> From: Enrico Mioso <mrkiko...@gmail.com>
>
> commit 2b02c20ce0c28974b44e69a2e2f5ddc6a470ad6f upstream.
[...]
> --- a/drivers/net/usb/cdc_ncm.c
> +++ b/drivers/net/usb/cdc_ncm.c
> @@ -724,8 +724,10 @@ int cdc_ncm_bind_common(struct usbnet *d
> u8 *buf;
> int len;
> int temp;
> + int err;
> u8 iface_no;
> struct usb_cdc_parsed_header hdr;
> + u16 curr_ntb_format;
[...]
> + err = usbnet_read_cmd(dev, USB_CDC_GET_NTB_FORMAT,
> + USB_TYPE_CLASS | USB_DIR_IN |
> USB_RECIP_INTERFACE,
> + 0, iface_no, &curr_ntb_format, 2);
> + if (err < 0) {
> + goto error2;
> + }
> +
> + if (curr_ntb_format == USB_CDC_NCM_NTB32_FORMAT) {
[...]
usbnet_read_cmd() doesn't do any byte-swapping, so it looks like
curr_ntb_format will have little-endian byte order (__le16 not u16).
The comparison will then need to be done using
le16_to_cpu(curr_ntb_format).
Ben.
--
Ben Hutchings
Software Developer, Codethink Ltd.
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