Commit 0d6e5bfc authored by Dan Carpenter's avatar Dan Carpenter Committed by David S. Miller
Browse files

enetc: Fix an off by one in enetc_setup_tc_txtime() 



The priv->tx_ring[] has 16 elements but only priv->num_tx_rings are
set up, the rest are NULL.  This ">" comparison should be ">=" to avoid
a potential crash.

Fixes: 0d08c9ec ("enetc: add support time specific departure base on the qos etf")
Signed-off-by: default avatarDan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent cbefe2c9

drivers/net/ethernet/freescale/enetc/enetc_qos.c

+1 −1
Original line number Diff line number Diff line
@@ -315,7 +315,7 @@ int enetc_setup_tc_txtime(struct net_device *ndev, void *type_data) 


	tc = qopt->queue;



	if (tc < 0 || tc > priv->num_tx_rings)

	if (tc < 0 || tc >= priv->num_tx_rings)

		return -EINVAL;



	/* Do not support TXSTART and TX CSUM offload simutaniously */