sr: fix deleting an SR l2 steering policy

Type: fix
Signed-off-by: Ahmed Abdelsalam <ahabdels@cisco.com>
Change-Id: I9e98b1622785e58484bf316ef491e44cfb06bcb7
diff --git a/src/vnet/srv6/sr_steering.c b/src/vnet/srv6/sr_steering.c
index 66186e9..566ba1f 100755
--- a/src/vnet/srv6/sr_steering.c
+++ b/src/vnet/srv6/sr_steering.c
@@ -135,9 +135,13 @@
 	  else if (steer_pl->classify.traffic_type == SR_STEER_L2)
 	    {
 	      /* Remove HW redirection */
-	      vnet_feature_enable_disable ("device-input",
-					   "sr-policy-rewrite-encaps-l2",
-					   sw_if_index, 0, 0, 0);
+	      int ret = vnet_feature_enable_disable ("device-input",
+						     "sr-pl-rewrite-encaps-l2",
+						     sw_if_index, 0, 0, 0);
+
+	      if (ret != 0)
+		return -1;
+
 	      sm->sw_iface_sr_policies[sw_if_index] = ~(u32) 0;
 
 	      /* Remove promiscous mode from interface */