[PATCH net-next 1/8] net: microchip: sparx5: Ensure L3 protocol has a default value

[Steen Hegelund]

This ensures that the l3_proto always have a valid value and that any
dissector parsing errors causes the flower rule to be discarded.

Signed-off-by: Steen Hegelund <steen.hegelund@xxxxxxxxxxxxx>
---
 drivers/net/ethernet/microchip/sparx5/sparx5_tc_flower.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/microchip/sparx5/sparx5_tc_flower.c b/drivers/net/ethernet/microchip/sparx5/sparx5_tc_flower.c
index a48baeacc1d2..04fc2f3b1979 100644
--- a/drivers/net/ethernet/microchip/sparx5/sparx5_tc_flower.c
+++ b/drivers/net/ethernet/microchip/sparx5/sparx5_tc_flower.c
@@ -648,7 +648,11 @@ static int sparx5_tc_flower_replace(struct net_device *ndev,
 		return PTR_ERR(vrule);
 
 	vrule->cookie = fco->cookie;
-	sparx5_tc_use_dissectors(fco, admin, vrule, &l3_proto);
+
+	l3_proto = ETH_P_ALL;
+	err = sparx5_tc_use_dissectors(fco, admin, vrule, &l3_proto);
+	if (err)
+		goto out;
 
 	err = sparx5_tc_add_rule_counter(admin, vrule);
 	if (err)
-- 
2.38.1