[PATCH] rtlwifi: rtl8192de: Style clean-ups

Kees Cook
2021-08-25T18:33:57Z

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@realtek.com>
Cc: Kalle Valo <kvalo@codeaurora.org>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Jakub Kicinski <kuba@kernel.org>
Cc: Larry Finger <Larry.Finger@lwfinger.net>
Cc: Colin Ian King <colin.king@canonical.com>
Cc: linux-wireless@vger.kernel.org
Cc: netdev@vger.kernel.org
Signed-off-by: Kees Cook <keescook@chromium.org>
---
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++) {
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