On Wed, May 19, 2021 at 08:33:04PM +0800, Zhen Lei wrote:
> GCC reports the following warning with W=1:
>
> drivers/usb/host/xhci.c:1349:15: warning:
> variable 'len' set but not used [-Wunused-but-set-variable]
> 1349 | unsigned int len;
> | ^~~
>
> This variable is not used, remove it to fix the warning.
>
> Reported-by: Hulk Robot <hulkci@xxxxxxxxxx>
> Signed-off-by: Zhen Lei <thunder.leizhen@xxxxxxxxxx>
> ---
> drivers/usb/host/xhci.c | 3 +--
> 1 file changed, 1 insertion(+), 2 deletions(-)
>
> diff --git a/drivers/usb/host/xhci.c b/drivers/usb/host/xhci.c
> index 27283654ca08..a75ed4a00997 100644
> --- a/drivers/usb/host/xhci.c
> +++ b/drivers/usb/host/xhci.c
> @@ -1346,7 +1346,6 @@ static bool xhci_urb_temp_buffer_required(struct usb_hcd *hcd,
>
> static void xhci_unmap_temp_buf(struct usb_hcd *hcd, struct urb *urb)
> {
> - unsigned int len;
> unsigned int buf_len;
> enum dma_data_direction dir;
>
> @@ -1362,7 +1361,7 @@ static void xhci_unmap_temp_buf(struct usb_hcd *hcd, struct urb *urb)
> dir);
>
> if (usb_urb_dir_in(urb))
> - len = sg_pcopy_from_buffer(urb->sg, urb->num_sgs,
> + (void)sg_pcopy_from_buffer(urb->sg, urb->num_sgs,
> urb->transfer_buffer,
> buf_len,
> 0);
> --
> 2.25.1
>
>
Wow, no. I keep telling you that this is not ok. Why keep sending
this?
greg k-h
