netdev - [RFC PATCH v2 net-next 09/15] net: mscc: ocelot: use DIV_ROUND_UP helper in ocelot_port_inject

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 PHC
Open Source and information security mailing list archives

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

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

Date:   Tue, 22 Dec 2020 15:44:33 +0200
From:   Vladimir Oltean <vladimir.oltean@....com>
To:     Andrew Lunn <andrew@...n.ch>,
        Florian Fainelli <f.fainelli@...il.com>,
        Vivien Didelot <vivien.didelot@...il.com>
Cc:     Richard Cochran <richardcochran@...il.com>,
        Claudiu Manoil <claudiu.manoil@....com>,
        Alexandru Marginean <alexandru.marginean@....com>,
        Alexandre Belloni <alexandre.belloni@...tlin.com>,
        Xiaoliang Yang <xiaoliang.yang_1@....com>,
        Hongbo Wang <hongbo.wang@....com>, Po Liu <po.liu@....com>,
        Yangbo Lu <yangbo.lu@....com>,
        "David S . Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>, netdev@...r.kernel.org,
        UNGLinuxDriver@...rochip.com
Subject: [RFC PATCH v2 net-next 09/15] net: mscc: ocelot: use DIV_ROUND_UP helper in ocelot_port_inject_frame

This looks a bit nicer than the open-coded "(x + 3) % 4" idiom.

Signed-off-by: Vladimir Oltean <vladimir.oltean@....com>
---
Changes in v2:
Patch is new.

 drivers/net/ethernet/mscc/ocelot_net.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/mscc/ocelot_net.c b/drivers/net/ethernet/mscc/ocelot_net.c
index 3a3bbd5e7883..7cc0fcd1df8d 100644
--- a/drivers/net/ethernet/mscc/ocelot_net.c
+++ b/drivers/net/ethernet/mscc/ocelot_net.c
@@ -386,7 +386,7 @@ static int ocelot_port_xmit(struct sk_buff *skb, struct net_device *dev)
 		ocelot_write_rix(ocelot, (__force u32)cpu_to_be32(ifh[i]),
 				 QS_INJ_WR, grp);
 
-	count = (skb->len + 3) / 4;
+	count = DIV_ROUND_UP(skb->len, 4);
 	last = skb->len % 4;
 	for (i = 0; i < count; i++)
 		ocelot_write_rix(ocelot, ((u32 *)skb->data)[i], QS_INJ_WR, grp);
-- 
2.25.1