netdev - [PATCH net-next 2/4] net: phy: mscc-miim: remove redundant timeout check

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 for Android: free password hash cracker in your pocket

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

Message-Id: <20200526162256.466885-3-antoine.tenart@bootlin.com>
Date:   Tue, 26 May 2020 18:22:54 +0200
From:   Antoine Tenart <antoine.tenart@...tlin.com>
To:     davem@...emloft.net, andrew@...n.ch, f.fainelli@...il.com,
        hkallweit1@...il.com
Cc:     Antoine Tenart <antoine.tenart@...tlin.com>,
        netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
        alexandre.belloni@...tlin.com, thomas.petazzoni@...tlin.com,
        allan.nielsen@...rochip.com
Subject: [PATCH net-next 2/4] net: phy: mscc-miim: remove redundant timeout check

readl_poll_timeout already returns -ETIMEDOUT if the condition isn't
satisfied, there's no need to check again the condition after calling
it. Remove the redundant timeout check.

Signed-off-by: Antoine Tenart <antoine.tenart@...tlin.com>
---
 drivers/net/phy/mdio-mscc-miim.c | 8 ++------
 1 file changed, 2 insertions(+), 6 deletions(-)

diff --git a/drivers/net/phy/mdio-mscc-miim.c b/drivers/net/phy/mdio-mscc-miim.c
index 0b7544f593fb..42119f661452 100644
--- a/drivers/net/phy/mdio-mscc-miim.c
+++ b/drivers/net/phy/mdio-mscc-miim.c
@@ -43,12 +43,8 @@ static int mscc_miim_wait_ready(struct mii_bus *bus)
 	struct mscc_miim_dev *miim = bus->priv;
 	u32 val;
 
-	readl_poll_timeout(miim->regs + MSCC_MIIM_REG_STATUS, val,
-			   !(val & MSCC_MIIM_STATUS_STAT_BUSY), 50, 10000);
-	if (val & MSCC_MIIM_STATUS_STAT_BUSY)
-		return -ETIMEDOUT;
-
-	return 0;
+	return readl_poll_timeout(miim->regs + MSCC_MIIM_REG_STATUS, val,
+				  !(val & MSCC_MIIM_STATUS_STAT_BUSY), 50, 10000);
 }
 
 static int mscc_miim_read(struct mii_bus *bus, int mii_id, int regnum)
-- 
2.26.2