netdev - [net-next 04/13] ixgbevf: off by one in ixgbevf_ipsec

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Date:   Wed,  3 Oct 2018 13:25:02 -0700
From:   Jeff Kirsher <jeffrey.t.kirsher@...el.com>
To:     davem@...emloft.net
Cc:     Dan Carpenter <dan.carpenter@...cle.com>, netdev@...r.kernel.org,
        nhorman@...hat.com, sassmann@...hat.com,
        Shannon Nelson <shannon.nelson@...cle.com>,
        Jeff Kirsher <jeffrey.t.kirsher@...el.com>
Subject: [net-next 04/13] ixgbevf: off by one in ixgbevf_ipsec_tx()

From: Dan Carpenter <dan.carpenter@...cle.com>

The ipsec->tx_tbl[] array has IXGBE_IPSEC_MAX_SA_COUNT elements so the >
should be a >=.

Fixes: 0062e7cc955e ("ixgbevf: add VF IPsec offload code")
Signed-off-by: Dan Carpenter <dan.carpenter@...cle.com>
Signed-off-by: Shannon Nelson <shannon.nelson@...cle.com>
Tested-by: Andrew Bowers <andrewx.bowers@...el.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@...el.com>
---
 drivers/net/ethernet/intel/ixgbevf/ipsec.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/intel/ixgbevf/ipsec.c b/drivers/net/ethernet/intel/ixgbevf/ipsec.c
index 9e4f47d95d40..e8a3231be0bf 100644
--- a/drivers/net/ethernet/intel/ixgbevf/ipsec.c
+++ b/drivers/net/ethernet/intel/ixgbevf/ipsec.c
@@ -467,7 +467,7 @@ int ixgbevf_ipsec_tx(struct ixgbevf_ring *tx_ring,
 	}
 
 	sa_idx = xs->xso.offload_handle - IXGBE_IPSEC_BASE_TX_INDEX;
-	if (unlikely(sa_idx > IXGBE_IPSEC_MAX_SA_COUNT)) {
+	if (unlikely(sa_idx >= IXGBE_IPSEC_MAX_SA_COUNT)) {
 		netdev_err(tx_ring->netdev, "%s: bad sa_idx=%d handle=%lu\n",
 			   __func__, sa_idx, xs->xso.offload_handle);
 		return 0;
-- 
2.17.1