Re: [PATCH] net: usb: qmi_wwan: remove redundant assignment to variable status

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Colin King <colin.king@xxxxxxxxxxxxx> writes:

> From: Colin Ian King <colin.king@xxxxxxxxxxxxx>
>
> The variable status is being initializeed with a value that is never read
> and it is being updated later with a new value. The initialization
> is redundant and can be removed.
>
> Addresses-Coverity: ("Unused value")
> Signed-off-by: Colin Ian King <colin.king@xxxxxxxxxxxxx>
> ---
>  drivers/net/usb/qmi_wwan.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/net/usb/qmi_wwan.c b/drivers/net/usb/qmi_wwan.c
> index 4bb8552a00d3..b0eab6e5279d 100644
> --- a/drivers/net/usb/qmi_wwan.c
> +++ b/drivers/net/usb/qmi_wwan.c
> @@ -719,7 +719,7 @@ static int qmi_wwan_change_dtr(struct usbnet *dev, bool on)
>  
>  static int qmi_wwan_bind(struct usbnet *dev, struct usb_interface *intf)
>  {
> -	int status = -1;
> +	int status;
>  	u8 *buf = intf->cur_altsetting->extra;
>  	int len = intf->cur_altsetting->extralen;
>  	struct usb_interface_descriptor *desc = &intf->cur_altsetting->desc;


Yes, looks like this initialization was made redundant when the CDC
descriptor parsing was moved to usbcore. Thanks.

Adding Fixes for documentation only, not as a stable hint.  This is
cleanup only and not suitable for stable IMHO.

Acked-by: Bjørn Mork <bjorn@xxxxxxx>
Fixes: 8492ed45aa5d ("qmi-wwan: use common parser")




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