From: John McNamara <john.mcnamara@intel.com>
Date: Fri, 6 Nov 2015 17:28:37 +0000 (+0000)
Subject: ring: fix memory freeing on error
X-Git-Tag: spdx-start~8102
X-Git-Url: http://git.droids-corp.org/?a=commitdiff_plain;h=4c28fb76855edeb03e5bf736dbbafd12cd84ac63;p=dpdk.git

ring: fix memory freeing on error

Fix minor memory free issue in error clean-up.

Reported-by Coverity (CID 119258)

Fixes: 651c505af862 ("ring: enhance device setup from rings")

Signed-off-by: John McNamara <john.mcnamara@intel.com>
---

diff --git a/drivers/net/ring/rte_eth_ring.c b/drivers/net/ring/rte_eth_ring.c
index cc60008c91..9a31bcea1f 100644
--- a/drivers/net/ring/rte_eth_ring.c
+++ b/drivers/net/ring/rte_eth_ring.c
@@ -363,8 +363,10 @@ rte_eth_from_rings(const char *name, struct rte_ring *const rx_queues[],
 	return data->port_id;
 
 error:
-	rte_free(data->rx_queues);
-	rte_free(data->tx_queues);
+	if (data) {
+		rte_free(data->rx_queues);
+		rte_free(data->tx_queues);
+	}
 	rte_free(data);
 	rte_free(internals);