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Message-Id: <1458643271-4227-70-git-send-email-luis.henriques@canonical.com>
Date: Tue, 22 Mar 2016 10:39:58 +0000
From: Luis Henriques <luis.henriques@...onical.com>
To: linux-kernel@...r.kernel.org, stable@...r.kernel.org,
kernel-team@...ts.ubuntu.com
Cc: Anton Protopopov <a.s.protopopov@...il.com>,
"David S. Miller" <davem@...emloft.net>,
Luis Henriques <luis.henriques@...onical.com>
Subject: [PATCH 3.16.y-ckt 069/142] rtnl: RTM_GETNETCONF: fix wrong return value
3.16.7-ckt26 -stable review patch. If anyone has any objections, please let me know.
---8<------------------------------------------------------------
From: Anton Protopopov <a.s.protopopov@...il.com>
commit a97eb33ff225f34a8124774b3373fd244f0e83ce upstream.
An error response from a RTM_GETNETCONF request can return the positive
error value EINVAL in the struct nlmsgerr that can mislead userspace.
Signed-off-by: Anton Protopopov <a.s.protopopov@...il.com>
Acked-by: Cong Wang <xiyou.wangcong@...il.com>
Signed-off-by: David S. Miller <davem@...emloft.net>
Signed-off-by: Luis Henriques <luis.henriques@...onical.com>
---
net/ipv4/devinet.c | 2 +-
net/ipv6/addrconf.c | 2 +-
2 files changed, 2 insertions(+), 2 deletions(-)
diff --git a/net/ipv4/devinet.c b/net/ipv4/devinet.c
index e9449376b58e..aa4b9990dd7a 100644
--- a/net/ipv4/devinet.c
+++ b/net/ipv4/devinet.c
@@ -1798,7 +1798,7 @@ static int inet_netconf_get_devconf(struct sk_buff *in_skb,
if (err < 0)
goto errout;
- err = EINVAL;
+ err = -EINVAL;
if (!tb[NETCONFA_IFINDEX])
goto errout;
diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c
index 405575f9ae77..c844b31c767e 100644
--- a/net/ipv6/addrconf.c
+++ b/net/ipv6/addrconf.c
@@ -535,7 +535,7 @@ static int inet6_netconf_get_devconf(struct sk_buff *in_skb,
if (err < 0)
goto errout;
- err = EINVAL;
+ err = -EINVAL;
if (!tb[NETCONFA_IFINDEX])
goto errout;
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