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From: Qi Zhang <qi.z.zhang@intel.com>
To: wenzhuo.lu@intel.com
Cc: dev@dpdk.org, Qi Zhang <qi.z.zhang@intel.com>, stable@dpdk.org
Subject: [PATCH] net/ixgbe: fix mirror rule index overflow
Date: Fri, 21 Jul 2017 16:56:37 +0800	[thread overview]
Message-ID: <20170721085637.18701-1-qi.z.zhang@intel.com> (raw)

Mirror rule id should not exceed the boundary defined by
IXGBE_MAX_MIRROR_RULES.

Fixes: fe3a45fd4104 ("ixgbe: add VMDq support")
Cc: stable@dpdk.org

Signed-off-by: Qi Zhang <qi.z.zhang@intel.com>
---
 drivers/net/ixgbe/ixgbe_ethdev.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/net/ixgbe/ixgbe_ethdev.c b/drivers/net/ixgbe/ixgbe_ethdev.c
index 194058f..e829266 100644
--- a/drivers/net/ixgbe/ixgbe_ethdev.c
+++ b/drivers/net/ixgbe/ixgbe_ethdev.c
@@ -5461,6 +5461,9 @@ ixgbe_mirror_rule_reset(struct rte_eth_dev *dev, uint8_t rule_id)
 	if (ixgbe_vt_check(hw) < 0)
 		return -ENOTSUP;
 
+	if (rule_id >= IXGBE_MAX_MIRROR_RULES)
+		return -EINVAL;
+
 	memset(&mr_info->mr_conf[rule_id], 0,
 	       sizeof(struct rte_eth_mirror_conf));
 
-- 
2.9.4

             reply	other threads:[~2017-07-21  8:56 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-07-21  8:56 Qi Zhang [this message]
2017-07-21  9:39 ` [dpdk-stable] [PATCH] net/ixgbe: fix mirror rule index overflow Ferruh Yigit
2017-07-21  9:40 ` Ferruh Yigit

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