[PATCH net] ipv4: fix error return code in rtm_to_fib_config()

[Zhang Changzhong]

Fix to return a negative error code from the error handling
case instead of 0, as done elsewhere in this function.
Fixes: d15662682db2 ("ipv4: Allow ipv6 gateway with ipv4 routes")
Reported-by: Hulk Robot <hul...@huawei.com>
Signed-off-by: Zhang Changzhong <zhangchangzh...@huawei.com>
---
 net/ipv4/fib_frontend.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/net/ipv4/fib_frontend.c b/net/ipv4/fib_frontend.c
index b87140a..cdf6ec5 100644
--- a/net/ipv4/fib_frontend.c
+++ b/net/ipv4/fib_frontend.c
@@ -825,7 +825,7 @@ static int rtm_to_fib_config(struct net *net, struct 
sk_buff *skb,
        if (has_gw && has_via) {
                NL_SET_ERR_MSG(extack,
                               "Nexthop configuration can not contain both 
GATEWAY and VIA");
-               goto errout;
+               return -EINVAL;
        }
 
        return 0;
-- 
2.9.5