netdev - [PATCH net 1/1] net: stmmac: Remove redundant checking for rx_coalesce

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]

Date: Mon, 22 May 2023 23:55:48 -0400
From: Gan Yi Fang <yi.fang.gan@...el.com>
To: Giuseppe Cavallaro <peppe.cavallaro@...com>,
	Alexandre Torgue <alexandre.torgue@...com>,
	Jose Abreu <joabreu@...opsys.com>,
	"David S . Miller" <davem@...emloft.net>,
	Jakub Kicinski <kuba@...nel.org>,
	Paolo Abeni <pabeni@...hat.com>,
	Maxime Coquelin <mcoquelin.stm32@...il.com>
Cc: netdev@...r.kernel.org,
	linux-stm32@...md-mailman.stormreply.com,
	linux-arm-kernel@...ts.infradead.org,
	linux-kernel@...r.kernel.org,
	Looi Hong Aun <hong.aun.looi@...el.com>,
	Michael Sit Wei Hong <michael.wei.hong.sit@...el.com>,
	Gan Yi Fang <yi.fang.gan@...el.com>
Subject: [PATCH net 1/1] net: stmmac: Remove redundant checking for rx_coalesce_usecs

The datatype of rx_coalesce_usecs is u32, always larger or equal to zero.
Previous checking does not include value 0, this patch removes the
checking to handle the value 0.

Signed-off-by: Gan Yi Fang <yi.fang.gan@...el.com>
---
 drivers/net/ethernet/stmicro/stmmac/stmmac_ethtool.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_ethtool.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_ethtool.c
index 35c8dd92d369..6ed0e683b5e0 100644
--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_ethtool.c
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_ethtool.c
@@ -917,7 +917,7 @@ static int __stmmac_set_coalesce(struct net_device *dev,
 	else if (queue >= max_cnt)
 		return -EINVAL;
 
-	if (priv->use_riwt && (ec->rx_coalesce_usecs > 0)) {
+	if (priv->use_riwt) {
 		rx_riwt = stmmac_usec2riwt(ec->rx_coalesce_usecs, priv);
 
 		if ((rx_riwt > MAX_DMA_RIWT) || (rx_riwt < MIN_DMA_RIWT))
-- 
2.34.1