> -----Original Message----- > From: Kees Cook [mailto:keescook@xxxxxxxxxxxx] > Sent: Thursday, August 26, 2021 2:34 AM > To: Pkshih > Cc: Kees Cook; Kalle Valo; David S. Miller; Jakub Kicinski; Larry Finger; Colin Ian King; > linux-wireless@xxxxxxxxxxxxxxx; netdev@xxxxxxxxxxxxxxx; Joe Perches; Kaixu Xia; > linux-kernel@xxxxxxxxxxxxxxx; linux-hardening@xxxxxxxxxxxxxxx > Subject: [PATCH] rtlwifi: rtl8192de: Style clean-ups > > Clean up some style issues: > - Use ARRAY_SIZE() even though it's a u8 array. > - Remove redundant CHANNEL_MAX_NUMBER_2G define. > Additionally fix some dead code WARNs. > > 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: linux-wireless@xxxxxxxxxxxxxxx > Cc: netdev@xxxxxxxxxxxxxxx > Signed-off-by: Kees Cook <keescook@xxxxxxxxxxxx> > --- > drivers/net/wireless/realtek/rtlwifi/rtl8192de/phy.c | 8 +++----- > drivers/net/wireless/realtek/rtlwifi/wifi.h | 1 - > 2 files changed, 3 insertions(+), 6 deletions(-) > > diff --git a/drivers/net/wireless/realtek/rtlwifi/rtl8192de/phy.c > b/drivers/net/wireless/realtek/rtlwifi/rtl8192de/phy.c > index b32fa7a75f17..9807c9e91998 100644 > --- a/drivers/net/wireless/realtek/rtlwifi/rtl8192de/phy.c > +++ b/drivers/net/wireless/realtek/rtlwifi/rtl8192de/phy.c > @@ -899,7 +899,7 @@ static u8 _rtl92c_phy_get_rightchnlplace(u8 chnl) > u8 place = chnl; > > if (chnl > 14) { > - for (place = 14; place < sizeof(channel5g); place++) { > + for (place = 14; place < ARRAY_SIZE(channel5g); place++) { There are still many places we can use ARRAY_SIZE() instead of sizeof(). Could you fix them within this file, even this driver? Otherwise, this patch looks good to me. Acked-by: Ping-Ke Shih <pkshih@xxxxxxxxxxx> > if (channel5g[place] == chnl) { > place++; > break; > @@ -2861,16 +2861,14 @@ u8 rtl92d_phy_sw_chnl(struct ieee80211_hw *hw) > case BAND_ON_5G: > /* Get first channel error when change between > * 5G and 2.4G band. */ > - if (channel <= 14) > + if (WARN_ONCE(channel <= 14, "rtl8192de: 5G but channel<=14\n")) > return 0; > - WARN_ONCE((channel <= 14), "rtl8192de: 5G but channel<=14\n"); > break; > case BAND_ON_2_4G: > /* Get first channel error when change between > * 5G and 2.4G band. */ > - if (channel > 14) > + if (WARN_ONCE(channel > 14, "rtl8192de: 2G but channel>14\n")) > return 0; > - WARN_ONCE((channel > 14), "rtl8192de: 2G but channel>14\n"); > break; > default: > WARN_ONCE(true, "rtl8192de: Invalid WirelessMode(%#x)!!\n", > diff --git a/drivers/net/wireless/realtek/rtlwifi/wifi.h > b/drivers/net/wireless/realtek/rtlwifi/wifi.h > index aa07856411b1..31f9e9e5c680 100644 > --- a/drivers/net/wireless/realtek/rtlwifi/wifi.h > +++ b/drivers/net/wireless/realtek/rtlwifi/wifi.h > @@ -108,7 +108,6 @@ > #define CHANNEL_GROUP_IDX_5GM 6 > #define CHANNEL_GROUP_IDX_5GH 9 > #define CHANNEL_GROUP_MAX_5G 9 > -#define CHANNEL_MAX_NUMBER_2G 14 > #define AVG_THERMAL_NUM 8 > #define AVG_THERMAL_NUM_88E 4 > #define AVG_THERMAL_NUM_8723BE 4 > -- > 2.30.2