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Date:   Thu, 26 Aug 2021 03:48:18 +0000
From:   Pkshih <pkshih@...ltek.com>
To:     Kees Cook <keescook@...omium.org>
CC:     Kalle Valo <kvalo@...eaurora.org>,
        "David S. Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>,
        Larry Finger <Larry.Finger@...inger.net>,
        Colin Ian King <colin.king@...onical.com>,
        Kaixu Xia <kaixuxia@...cent.com>,
        Joe Perches <joe@...ches.com>,
        "linux-wireless@...r.kernel.org" <linux-wireless@...r.kernel.org>,
        "netdev@...r.kernel.org" <netdev@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "linux-hardening@...r.kernel.org" <linux-hardening@...r.kernel.org>
Subject: RE: [PATCH] rtlwifi: rtl8192de: Restore channel index initialization


> -----Original Message-----
> From: Kees Cook [mailto:keescook@...omium.org]
> Sent: Thursday, August 26, 2021 10:36 AM
> To: Pkshih
> Cc: Kalle Valo; David S. Miller; Jakub Kicinski; Larry Finger; Colin Ian King; Kaixu Xia; Joe Perches;
> linux-wireless@...r.kernel.org; netdev@...r.kernel.org; linux-kernel@...r.kernel.org;
> linux-hardening@...r.kernel.org
> Subject: Re: [PATCH] rtlwifi: rtl8192de: Restore channel index initialization
> 
> On Thu, Aug 26, 2021 at 12:45:53AM +0000, Pkshih wrote:
> >
> >
> > > -----Original Message-----
> > > From: Kees Cook [mailto:keescook@...omium.org]
> > > Sent: Thursday, August 26, 2021 2:31 AM
> > > To: Pkshih
> > > Cc: Kees Cook; Kalle Valo; David S. Miller; Jakub Kicinski; Larry Finger; Colin Ian King; Kaixu
> Xia;
> > > Joe Perches; linux-wireless@...r.kernel.org; netdev@...r.kernel.org;
> linux-kernel@...r.kernel.org;
> > > linux-hardening@...r.kernel.org
> > > Subject: [PATCH] rtlwifi: rtl8192de: Restore channel index initialization
> > >
> > > 2G channel indexes still need "place" to be initialized, since it is
> > > returned from this function when channel is less than 14.
> > >
> > > Fixes: 369956ae5720 ("rtlwifi: rtl8192de: Remove redundant variable initializations")
> >
> > Like the patch "rtlwifi: rtl8192de: Fix initialization of place in _rtl92c_phy_get_rightchnlplace()"
> > you sent before, please help to correct the removal of the commit 369956ae5720.
> > I think we can add following into this patch.
> >
> > --- a/drivers/net/wireless/realtek/rtlwifi/rtl8192de/phy.c
> > +++ b/drivers/net/wireless/realtek/rtlwifi/rtl8192de/phy.c
> > @@ -1363,7 +1363,7 @@ static void _rtl92d_phy_switch_rf_setting(struct ieee80211_hw *hw, u8 channel)
> >
> >  u8 rtl92d_get_rightchnlplace_for_iqk(u8 chnl)
> >  {
> > -       u8 place = chnl;
> > +       u8 place;
> >
> >         if (chnl > 14) {
> >                 for (place = 14; place < sizeof(channel_all); place++) {
> 
> Oh, er, it looks like Nathan found this before me, yes. I think
> https://lore.kernel.org/linux-wireless/20210823222014.764557-1-nathan@kernel.org/
> is the complete patch.
> 

Oops. Sorry, I misread the author who isn't you.


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