linux-kernel - [PATCH] net/bluetooth: use memset avoid memory leaks

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Message-Id: <20220225074152.2039466-1-chi.minghao@zte.com.cn>
Date:   Fri, 25 Feb 2022 07:41:52 +0000
From:   cgel.zte@...il.com
To:     marcel@...tmann.org
Cc:     johan.hedberg@...il.com, luiz.dentz@...il.com, davem@...emloft.net,
        kuba@...nel.org, linux-bluetooth@...r.kernel.org,
        netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
        Minghao Chi <chi.minghao@....com.cn>,
        Zeal Robot <zealci@....com.cn>
Subject: [PATCH] net/bluetooth: use memset avoid memory leaks

From: Minghao Chi (CGEL ZTE) <chi.minghao@....com.cn>

Use memset to initialize structs to prevent memory leaks
in l2cap_ecred_connect

Reported-by: Zeal Robot <zealci@....com.cn>
Signed-off-by: Minghao Chi (CGEL ZTE) <chi.minghao@....com.cn>
---
 net/bluetooth/l2cap_core.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/net/bluetooth/l2cap_core.c b/net/bluetooth/l2cap_core.c
index e817ff0607a0..8df99c07f272 100644
--- a/net/bluetooth/l2cap_core.c
+++ b/net/bluetooth/l2cap_core.c
@@ -1436,6 +1436,7 @@ static void l2cap_ecred_connect(struct l2cap_chan *chan)
 
 	l2cap_ecred_init(chan, 0);
 
+	memset(&data, 0, sizeof(data));
 	data.pdu.req.psm     = chan->psm;
 	data.pdu.req.mtu     = cpu_to_le16(chan->imtu);
 	data.pdu.req.mps     = cpu_to_le16(chan->mps);
-- 
2.25.1