rtnl: RTM_GETNETCONF: fix wrong return value
authorAnton Protopopov <a.s.protopopov@gmail.com>
Wed, 17 Feb 2016 02:43:16 +0000 (21:43 -0500)
committerDavid S. Miller <davem@davemloft.net>
Fri, 19 Feb 2016 20:33:46 +0000 (15:33 -0500)
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>
net/ipv4/devinet.c
net/ipv6/addrconf.c

index cebd9d31e65a4a7539cab0bef71887736bc188f7..f6303b17546b3535d035b7f662cf43e2b2d59280 100644 (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;
 
index 9efd9ffdc34cf5f39ab8b2548050cfe1e6ed4141..bdd7eac4307a0802fb767e843c92dd81aa730d3a 100644 (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;