net/tap: fix memory leak on IPC request

[ upstream commit 388e061 ]

When sending synchronous IPC requests, the caller must free the response
buffer if the request was successful and reply is no longer needed.
Fix the code to correctly
use the IPC API.

Bugzilla ID: 228
Fixes: c9aa56e ("net/tap: access primary process queues from secondary")

Signed-off-by: Herakliusz Lipiec <herakliusz.lipiec@intel.com>
Acked-by: Keith Wiles <keith.wiles@intel.com>

drivers/net/tap/rte_eth_tap.c

@@ -2088,7 +2088,7 @@ tap_mp_attach_queues(const char *port_name, struct rte_eth_dev *dev)
 		process_private->rxq_fds[queue] = reply->fds[fd_iterator++];
 	for (queue = 0; queue < reply_param->txq_count; queue++)
 		process_private->txq_fds[queue] = reply->fds[fd_iterator++];
-
+	free(reply);
 	return 0;
 }