flow_classify: fix leaking rules on delete

[ upstream commit 016441e ]

Rules in a classify table were not freed if the table
had a delete function.

Fixes: be41ac2 ("flow_classify: introduce flow classify library")

Signed-off-by: Owen Hilyard <ohilyard@iol.unh.edu>
Acked-by: Bernard Iremonger <bernard.iremonger@intel.com>

lib/librte_flow_classify/rte_flow_classify.c

@@ -579,12 +579,12 @@ rte_flow_classify_table_entry_delete(struct rte_flow_classifier *cls,
 						&rule->u.key.key_del,
 						&rule->key_found,
 						&rule->entry);
-
+				if (ret == 0)
+					free(rule);
 				return ret;
 			}
 		}
 	}
-	free(rule);
 	return ret;
 }