[PATCH net-next] fib_rules: fix error return code

[Wei Yongjun]

From: Wei Yongjun <weiyongj...@huawei.com>

Fix to return error code -EINVAL from the error handling
case instead of 0, as done elsewhere in this function.

Fixes: 622ec2c9d524 ("net: core: add UID to flows, rules, and routes")
Signed-off-by: Wei Yongjun <weiyongj...@huawei.com>
---
 net/core/fib_rules.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/net/core/fib_rules.c b/net/core/fib_rules.c
index c58c1df..f21c4d3 100644
--- a/net/core/fib_rules.c
+++ b/net/core/fib_rules.c
@@ -440,6 +440,7 @@ int fib_nl_newrule(struct sk_buff *skb, struct nlmsghdr 
*nlh,
        if (tb[FRA_TUN_ID])
                rule->tun_id = nla_get_be64(tb[FRA_TUN_ID]);
 
+       err = -EINVAL;
        if (tb[FRA_L3MDEV]) {
 #ifdef CONFIG_NET_L3_MASTER_DEV
                rule->l3mdev = nla_get_u8(tb[FRA_L3MDEV]);
@@ -461,7 +462,6 @@ int fib_nl_newrule(struct sk_buff *skb, struct nlmsghdr 
*nlh,
        else
                rule->suppress_ifgroup = -1;
 
-       err = -EINVAL;
        if (tb[FRA_GOTO]) {
                if (rule->action != FR_ACT_GOTO)
                        goto errout_free;
@@ -592,8 +592,10 @@ int fib_nl_delrule(struct sk_buff *skb, struct nlmsghdr 
*nlh,
 
        if (tb[FRA_UID_RANGE]) {
                range = nla_get_kuid_range(tb);
-               if (!uid_range_set(&range))
+               if (!uid_range_set(&range)) {
+                       err = -EINVAL;
                        goto errout;
+               }
        } else {
                range = fib_kuid_range_unset;
        }