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net: mvneta: remove redundant check for eee->tx_lpi_timer < 0

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fixes the smatch warning:

drivers/net/ethernet/marvell/mvneta.c:4252 mvneta_ethtool_set_eee() warn:
 unsigned 'eee->tx_lpi_timer' is never less than zero.

Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Acked-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
YueHaibing 2018-11-22 14:42:00 +08:00 committed by David S. Miller
parent 9af8009082
commit e4a3e9ff5b
1 changed files with 1 additions and 2 deletions
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3
drivers/net/ethernet/marvell/mvneta.c
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@ -4248,8 +4248,7 @@ static int mvneta_ethtool_set_eee(struct net_device *dev,
/* The Armada 37x documents do not give limits for this other than
* it being an 8-bit register. */
if (eee->tx_lpi_enabled &&
(eee->tx_lpi_timer < 0 || eee->tx_lpi_timer > 255))
if (eee->tx_lpi_enabled && eee->tx_lpi_timer > 255)
return -EINVAL;
lpi_ctl0 = mvreg_read(pp, MVNETA_LPI_CTRL_0);