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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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