Bluetooth: use memset avoid memory leaks

BugLink: https://bugs.launchpad.net/bugs/1969107
[ Upstream commit d3715b2333e9a21692ba16ef8645eda584a9515d ]

Use memset to initialize structs to prevent memory leaks
in l2cap_ecred_connect

Reported-by: Zeal Robot <zealci@zte.com.cn>
Signed-off-by: Minghao Chi (CGEL ZTE) <chi.minghao@zte.com.cn>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
(cherry picked from commit 42b6a39f439b6f37cc2024d91ce547d83290ff78)
Signed-off-by: Paolo Pisati <paolo.pisati@canonical.com>

diff --git a/net/bluetooth/l2cap_core.c b/net/bluetooth/l2cap_core.c
index 77ba68209dbd89d928e73d1bed9c304a1a1198e2..c57a45df7a267f8965912d4343fcc9c6a868aa06 100644 (file)
--- 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);