ixgbevf: off by one in ixgbevf_ipsec_tx()

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

Fixes: 0062e7c ("ixgbevf: add VF IPsec offload code")
Signed-off-by: Dan Carpenter <[email protected]>
Signed-off-by: Shannon Nelson <[email protected]>
Tested-by: Andrew Bowers <[email protected]>
Signed-off-by: Jeff Kirsher <[email protected]>

Author: Dan Carpenter

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;