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Message-Id: <20160301234529.391467538@linuxfoundation.org>
Date: Tue, 01 Mar 2016 23:53:57 +0000
From: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To: <linux-kernel@...r.kernel.org>
Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
<stable@...r.kernel.org>,
Anton Protopopov <a.s.protopopov@...il.com>,
Cong Wang <xiyou.wangcong@...il.com>,
"David S. Miller" <davem@...emloft.net>
Subject: [PATCH 4.4 044/342] rtnl: RTM_GETNETCONF: fix wrong return value
4.4-stable review patch. If anyone has any objections, please let me know.
------------------
From: Anton Protopopov <a.s.protopopov@...il.com>
[ Upstream commit a97eb33ff225f34a8124774b3373fd244f0e83ce ]
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: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
---
net/ipv4/devinet.c | 2 +-
net/ipv6/addrconf.c | 2 +-
2 files changed, 2 insertions(+), 2 deletions(-)
--- a/net/ipv4/devinet.c
+++ b/net/ipv4/devinet.c
@@ -1847,7 +1847,7 @@ static int inet_netconf_get_devconf(stru
if (err < 0)
goto errout;
- err = EINVAL;
+ err = -EINVAL;
if (!tb[NETCONFA_IFINDEX])
goto errout;
--- a/net/ipv6/addrconf.c
+++ b/net/ipv6/addrconf.c
@@ -583,7 +583,7 @@ static int inet6_netconf_get_devconf(str
if (err < 0)
goto errout;
- err = EINVAL;
+ err = -EINVAL;
if (!tb[NETCONFA_IFINDEX])
goto errout;
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