[PATCH] net/ice: avoid out-of-bound access

[Zhichao Zeng]

Add judgment on 'ethdev_port_id' to avoid out-of-bound accessing
the 'rte_eth_devices'.

Fixes: 6f8fba7e437e ("net/ice: support represented port flow action")

Signed-off-by: Zhichao Zeng <zhichaox.zeng at intel.com>
---
 drivers/net/ice/ice_switch_filter.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/drivers/net/ice/ice_switch_filter.c b/drivers/net/ice/ice_switch_filter.c
index 240fa10750..59fb31aa9d 100644
--- a/drivers/net/ice/ice_switch_filter.c
+++ b/drivers/net/ice/ice_switch_filter.c
@@ -1631,6 +1631,10 @@ ice_switch_parse_dcf_action(struct ice_dcf_adapter *ad,
 		case RTE_FLOW_ACTION_TYPE_REPRESENTED_PORT:
 			rule_info->sw_act.fltr_act = ICE_FWD_TO_VSI;
 			act_ethdev = action->conf;
+
+			if (!rte_eth_dev_is_valid_port(act_ethdev->port_id))
+				goto invalid;
+
 			repr_dev = &rte_eth_devices[act_ethdev->port_id];
 
 			if (!repr_dev->data)
-- 
2.25.1