linux-kernel - [PATCH] rtlwifi: rtl8192de: Restore channel index initialization

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Message-Id: <20210825183103.1142909-1-keescook@chromium.org>
Date:   Wed, 25 Aug 2021 11:31:03 -0700
From:   Kees Cook <keescook@...omium.org>
To:     Ping-Ke Shih <pkshih@...ltek.com>
Cc:     Kees Cook <keescook@...omium.org>,
        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,
        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")
Cc: Ping-Ke Shih <pkshih@...ltek.com>
Cc: Kalle Valo <kvalo@...eaurora.org>
Cc: "David S. Miller" <davem@...emloft.net>
Cc: Jakub Kicinski <kuba@...nel.org>
Cc: Larry Finger <Larry.Finger@...inger.net>
Cc: Colin Ian King <colin.king@...onical.com>
Cc: Kaixu Xia <kaixuxia@...cent.com>
Cc: Joe Perches <joe@...ches.com>
Cc: linux-wireless@...r.kernel.org
Cc: netdev@...r.kernel.org
Signed-off-by: Kees Cook <keescook@...omium.org>
---
 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++) {
-- 
2.30.2