[dpdk-dev] [PATCH v2] ring: fix minor memory free issue

[John McNamara]

Fix minor memory free issue in error clean-up.

Fixes: 651c505af862 ("ring: enhance device setup from rings")
Reported-by Coverity (CID 119258)

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

V2:
* Add fixline.

 drivers/net/ring/rte_eth_ring.c | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/drivers/net/ring/rte_eth_ring.c b/drivers/net/ring/rte_eth_ring.c
index cc60008..b91a643 100644
--- a/drivers/net/ring/rte_eth_ring.c
+++ b/drivers/net/ring/rte_eth_ring.c
@@ -363,9 +363,11 @@ 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);
-	rte_free(data);
+	if (data) {
+		rte_free(data->rx_queues);
+		rte_free(data->tx_queues);
+		rte_free(data);
+	}
 	rte_free(internals);
 
 	return -1;
-- 
1.8.1.4