On Thu, Aug 26, 2021 at 12:45:53AM +0000, Pkshih wrote: > > > > -----Original Message----- > > From: Kees Cook [mailto:keescook@xxxxxxxxxxxx] > > 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@xxxxxxxxxxxxxxx; netdev@xxxxxxxxxxxxxxx; linux-kernel@xxxxxxxxxxxxxxx; > > linux-hardening@xxxxxxxxxxxxxxx > > 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@xxxxxxxxxx/ is the complete patch. -Kees > > > Cc: Ping-Ke Shih <pkshih@xxxxxxxxxxx> > > Cc: Kalle Valo <kvalo@xxxxxxxxxxxxxx> > > Cc: "David S. Miller" <davem@xxxxxxxxxxxxx> > > Cc: Jakub Kicinski <kuba@xxxxxxxxxx> > > Cc: Larry Finger <Larry.Finger@xxxxxxxxxxxx> > > Cc: Colin Ian King <colin.king@xxxxxxxxxxxxx> > > Cc: Kaixu Xia <kaixuxia@xxxxxxxxxxx> > > Cc: Joe Perches <joe@xxxxxxxxxxx> > > Cc: linux-wireless@xxxxxxxxxxxxxxx > > Cc: netdev@xxxxxxxxxxxxxxx > > Signed-off-by: Kees Cook <keescook@xxxxxxxxxxxx> > > --- > > drivers/net/wireless/realtek/rtlwifi/rtl8192de/phy.c | 2 +- > > 1 file changed, 1 insertion(+), 1 deletion(-) > > > > diff --git a/drivers/net/wireless/realtek/rtlwifi/rtl8192de/phy.c > > b/drivers/net/wireless/realtek/rtlwifi/rtl8192de/phy.c > > index 8ae69d914312..b32fa7a75f17 100644 > > --- a/drivers/net/wireless/realtek/rtlwifi/rtl8192de/phy.c > > +++ b/drivers/net/wireless/realtek/rtlwifi/rtl8192de/phy.c > > @@ -896,7 +896,7 @@ static void _rtl92d_ccxpower_index_check(struct ieee80211_hw *hw, > > > > static u8 _rtl92c_phy_get_rightchnlplace(u8 chnl) > > { > > - u8 place; > > + u8 place = chnl; > > > > if (chnl > 14) { > > for (place = 14; place < sizeof(channel5g); place++) { > > -- > Ping-Ke > -- Kees Cook