From: Harman Kalra <hkalra@marvell.com>
Date: Mon, 1 Nov 2021 17:53:37 +0000 (+0530)
Subject: net/mlx4: fix crash on allocation failure
X-Git-Url: http://git.droids-corp.org/?a=commitdiff_plain;h=49fdb0ae0d635fd4bc5c9830f4acbc84a099869a;p=dpdk.git

net/mlx4: fix crash on allocation failure

This patch fixes coverity issue by adding a NULL check.

Coverity issue: 373687
Fixes: d61138d4f0e2 ("drivers: remove direct access to interrupt handle")

Signed-off-by: Harman Kalra <hkalra@marvell.com>
Acked-by: Viacheslav Ovsiienko <viacheslavo@nvidia.com>
Acked-by: David Marchand <david.marchand@redhat.com>
---

diff --git a/drivers/net/mlx4/mlx4.c b/drivers/net/mlx4/mlx4.c
index cccc71f757..3f3c4a7c72 100644
--- a/drivers/net/mlx4/mlx4.c
+++ b/drivers/net/mlx4/mlx4.c
@@ -1112,7 +1112,8 @@ err_secondary:
 		prev_dev = eth_dev;
 		continue;
 port_error:
-		rte_intr_instance_free(priv->intr_handle);
+		if (priv != NULL)
+			rte_intr_instance_free(priv->intr_handle);
 		rte_free(priv);
 		if (eth_dev != NULL)
 			eth_dev->data->dev_private = NULL;