linux-kernel - [PATCH wireless 4/9] wifi: cfg80211: avoid garbage value of 'chanspec' in brcmf_cfg80211_get

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Date: Tue,  2 Jul 2024 20:24:47 +0800
From: Su Hui <suhui@...china.com>
To: arend.vanspriel@...adcom.com,
	kvalo@...nel.org
Cc: Su Hui <suhui@...china.com>,
	johannes.berg@...el.com,
	kees@...nel.org,
	a@...repo.ru,
	marcan@...can.st,
	colin.i.king@...il.com,
	zyytlz.wz@....com,
	petr.tesarik.ext@...wei.com,
	duoming@....edu.cn,
	zajec5@...il.com,
	linux-wireless@...r.kernel.org,
	brcm80211@...ts.linux.dev,
	brcm80211-dev-list.pdl@...adcom.com,
	linux-kernel@...r.kernel.org,
	kernel-janitors@...r.kernel.org
Subject: [PATCH wireless 4/9] wifi: cfg80211: avoid garbage value of 'chanspec' in brcmf_cfg80211_get_channel()

brcmf_fil_iovar_int_get() reads the value of 'chanspec'.
Initialize 'chanspec' to avoid garbage value.

Fixes: ee6e7aa38394 ("brcmfmac: support get_channel cfg80211 callback")
Signed-off-by: Su Hui <suhui@...china.com>
---
 drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c
index 2377b88d7ee0..e672565de437 100644
--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c
+++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c
@@ -5678,7 +5678,7 @@ static int brcmf_cfg80211_get_channel(struct wiphy *wiphy,
 	struct brcmu_chan ch;
 	enum nl80211_band band = 0;
 	enum nl80211_chan_width width = 0;
-	u32 chanspec;
+	u32 chanspec = 0;
 	int freq, err;
 
 	if (!ndev || drvr->bus_if->state != BRCMF_BUS_UP)
-- 
2.30.2