From 47b6667abe533e8c61576aa4803f41daf988eb9b Mon Sep 17 00:00:00 2001
From: Chengwen Feng <fengchengwen@huawei.com>
Date: Wed, 21 Apr 2021 10:33:13 +0800
Subject: [PATCH] net/i40e: fix negative VEB index

This patch adds check for negative VEB index when parsing VEB list.

Fixes: 79f2248219c0 ("net/i40e: add floating VEB option")
Cc: stable@dpdk.org

Signed-off-by: Chengwen Feng <fengchengwen@huawei.com>
Signed-off-by: Min Hu (Connor) <humin29@huawei.com>
Acked-by: Qi Zhang <qi.z.zhang@intel.com>
---
 drivers/net/i40e/i40e_ethdev.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/net/i40e/i40e_ethdev.c b/drivers/net/i40e/i40e_ethdev.c
index 66d23d698e..d0586201f8 100644
--- a/drivers/net/i40e/i40e_ethdev.c
+++ b/drivers/net/i40e/i40e_ethdev.c
@@ -854,6 +854,8 @@ floating_veb_list_handler(__rte_unused const char *key,
 		idx = strtoul(floating_veb_value, &end, 10);
 		if (errno || end == NULL)
 			return -1;
+		if (idx < 0)
+			return -1;
 		while (isblank(*end))
 			end++;
 		if (*end == '-') {
-- 
2.20.1