netdev - [PATCH net-next] net: mvneta: remove redundant check for eee->tx_lpi

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [thread-next>] [day] [month] [year] [list]

Message-ID: <20181122064200.11572-1-yuehaibing@huawei.com>
Date:   Thu, 22 Nov 2018 14:42:00 +0800
From:   YueHaibing <yuehaibing@...wei.com>
To:     <davem@...emloft.net>, <thomas.petazzoni@...tlin.com>
CC:     <linux-kernel@...r.kernel.org>, <netdev@...r.kernel.org>,
        YueHaibing <yuehaibing@...wei.com>
Subject: [PATCH net-next] net: mvneta: remove redundant check for eee->tx_lpi_timer < 0

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@...wei.com>
---
 drivers/net/ethernet/marvell/mvneta.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/net/ethernet/marvell/mvneta.c b/drivers/net/ethernet/marvell/mvneta.c
index e5397c8..46a0f6b 100644
--- a/drivers/net/ethernet/marvell/mvneta.c
+++ b/drivers/net/ethernet/marvell/mvneta.c
@@ -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);
-- 
2.7.0