[PATCHv3 net 1/3] net: cls_u32: fix error code for invalid flags

[Jakub Kicinski]

'err' variable is not set in this test, we would return whatever
previous test set 'err' to.

Signed-off-by: Jakub Kicinski <jakub.kicin...@netronome.com>
Reviewed-by: Dinan Gunawardena <dinan.gunaward...@netronome.com>
Reviewed-by: Simon Horman <simon.hor...@netronome.com>
Acked-by: Sridhar Samudrala <sridhar.samudr...@intel.com>
Acked-by: John Fastabend <john.r.fastab...@intel.com>
---
 net/sched/cls_u32.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/net/sched/cls_u32.c b/net/sched/cls_u32.c
index 079b43b3c5d2..b17e090f2fe1 100644
--- a/net/sched/cls_u32.c
+++ b/net/sched/cls_u32.c
@@ -863,7 +863,7 @@ static int u32_change(struct net *net, struct sk_buff 
*in_skb,
        if (tb[TCA_U32_FLAGS]) {
                flags = nla_get_u32(tb[TCA_U32_FLAGS]);
                if (!tc_flags_valid(flags))
-                       return err;
+                       return -EINVAL;
        }
 
        n = (struct tc_u_knode *)*arg;
-- 
1.9.1