linux-kernel - Re: [PATCH] staging: rtl8192u: Fix bitwise vs logical operator in TranslateRxSignalStuff819xUsb()

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Date:   Mon, 16 Aug 2021 11:48:16 -0700
From:   Nick Desaulniers <ndesaulniers@...gle.com>
To:     Nathan Chancellor <nathan@...nel.org>
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        linux-staging@...ts.linux.dev, linux-kernel@...r.kernel.org,
        clang-built-linux@...glegroups.com
Subject: Re: [PATCH] staging: rtl8192u: Fix bitwise vs logical operator in TranslateRxSignalStuff819xUsb()

On Sat, Aug 14, 2021 at 4:58 PM Nathan Chancellor <nathan@...nel.org> wrote:
>
> clang warns:
>
> drivers/staging/rtl8192u/r8192U_core.c:4268:20: warning: bitwise and of
> boolean expressions; did you mean logical and? [-Wbool-operation-and]
>         bpacket_toself =  bpacket_match_bssid &
>                           ^~~~~~~~~~~~~~~~~~~~~
>                                               &&
> 1 warning generated.
>
> Replace the bitwise AND with a logical one to clear up the warning, as
> that is clearly what was intended.
>
> Fixes: 8fc8598e61f6 ("Staging: Added Realtek rtl8192u driver to staging")
> Signed-off-by: Nathan Chancellor <nathan@...nel.org>

Thanks for the patch!
Reviewed-by: Nick Desaulniers <ndesaulniers@...gle.com>

> ---
>  drivers/staging/rtl8192u/r8192U_core.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/staging/rtl8192u/r8192U_core.c b/drivers/staging/rtl8192u/r8192U_core.c
> index db26edeccea6..b6698656fc01 100644
> --- a/drivers/staging/rtl8192u/r8192U_core.c
> +++ b/drivers/staging/rtl8192u/r8192U_core.c
> @@ -4265,7 +4265,7 @@ static void TranslateRxSignalStuff819xUsb(struct sk_buff *skb,
>         bpacket_match_bssid = (type != IEEE80211_FTYPE_CTL) &&
>                                (ether_addr_equal(priv->ieee80211->current_network.bssid,  (fc & IEEE80211_FCTL_TODS) ? hdr->addr1 : (fc & IEEE80211_FCTL_FROMDS) ? hdr->addr2 : hdr->addr3))
>                                && (!pstats->bHwError) && (!pstats->bCRC) && (!pstats->bICV);
> -       bpacket_toself =  bpacket_match_bssid &
> +       bpacket_toself =  bpacket_match_bssid &&
>                           (ether_addr_equal(praddr, priv->ieee80211->dev->dev_addr));
>
>         if (WLAN_FC_GET_FRAMETYPE(fc) == IEEE80211_STYPE_BEACON)
>
> base-commit: 0bd35146642bdc56f1b87d75f047b1c92bd2bd39
> --
> 2.33.0.rc2
>


-- 
Thanks,
~Nick Desaulniers