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rtnl: RTM_GETNETCONF: fix wrong return value

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[ Upstream commit a97eb33ff2 ]

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@gmail.com>
Acked-by: Cong Wang <xiyou.wangcong@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Anton Protopopov 2016-02-16 21:43:16 -05:00 committed by Greg Kroah-Hartman
parent 9b87f63bf8
commit b7c2e2acc6
2 changed files with 2 additions and 2 deletions
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2
net/ipv4/devinet.c
View File

@ -1847,7 +1847,7 @@ 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;

2
net/ipv6/addrconf.c
View File

@ -583,7 +583,7 @@ 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;