linux-kernel - [PATCH 5.7 408/477] bareudp: Fixed configuration to avoid having garbage values

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Message-Id: <20200623195426.822648708@linuxfoundation.org>
Date:   Tue, 23 Jun 2020 21:56:45 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Martin <martin.varghese@...ia.com>,
        "David S. Miller" <davem@...emloft.net>,
        Sasha Levin <sashal@...nel.org>
Subject: [PATCH 5.7 408/477] bareudp: Fixed configuration to avoid having garbage values

From: Martin <martin.varghese@...ia.com>

[ Upstream commit b15bb8817f991497d97ae55d8c0e349a9d1e1478 ]

Code to initialize the conf structure while gathering the configuration
of the device was missing.

Fixes: 571912c69f0e ("net: UDP tunnel encapsulation module for tunnelling different protocols like MPLS, IP, NSH etc.")
Signed-off-by: Martin <martin.varghese@...ia.com>
Signed-off-by: David S. Miller <davem@...emloft.net>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 drivers/net/bareudp.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/net/bareudp.c b/drivers/net/bareudp.c
index efd1a1d1f35e0..5d3c691a1c668 100644
--- a/drivers/net/bareudp.c
+++ b/drivers/net/bareudp.c
@@ -552,6 +552,8 @@ static int bareudp_validate(struct nlattr *tb[], struct nlattr *data[],
 static int bareudp2info(struct nlattr *data[], struct bareudp_conf *conf,
 			struct netlink_ext_ack *extack)
 {
+	memset(conf, 0, sizeof(*conf));
+
 	if (!data[IFLA_BAREUDP_PORT]) {
 		NL_SET_ERR_MSG(extack, "port not specified");
 		return -EINVAL;
-- 
2.25.1