From: Ping-Ke Shih
> Sent: 08 May 2023 09:56
>
> qsel_to_ep[] can be assigned negative value, so change type from 'u8' to
> 'int'. Otherwise, Smatch static checker warns:
> drivers/net/wireless/realtek/rtw88/usb.c:219 rtw_usb_parse() warn:
> assigning (-22) to unsigned variable 'rtwusb->qsel_to_ep[8]'
I think s8 would do.
Either that or an alternative error value.
David
>
> Cc: stable@xxxxxxxxxxxxxxx
> Fixes: a6f187f92bcc ("wifi: rtw88: usb: fix priority queue to endpoint mapping")
> Reported-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
> Link: https://lore.kernel.org/linux-wireless/c3f70197-829d-48ed-ae15-66a9de80fa90@kili.mountain/
> Cc: Sascha Hauer <s.hauer@xxxxxxxxxxxxxx>
> Signed-off-by: Ping-Ke Shih <pkshih@xxxxxxxxxxx>
> ---
> drivers/net/wireless/realtek/rtw88/usb.h | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/net/wireless/realtek/rtw88/usb.h b/drivers/net/wireless/realtek/rtw88/usb.h
> index 30647f0dd61c6..ad1d7955c6a51 100644
> --- a/drivers/net/wireless/realtek/rtw88/usb.h
> +++ b/drivers/net/wireless/realtek/rtw88/usb.h
> @@ -78,7 +78,7 @@ struct rtw_usb {
> u8 pipe_interrupt;
> u8 pipe_in;
> u8 out_ep[RTW_USB_EP_MAX];
> - u8 qsel_to_ep[TX_DESC_QSEL_MAX];
> + int qsel_to_ep[TX_DESC_QSEL_MAX];
> u8 usb_txagg_num;
>
> struct workqueue_struct *txwq, *rxwq;
> --
> 2.25.1
-
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