linux-kernel - [PATCH] net: phy: Fix unsigned comparison with less than zero

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Date:   Wed, 27 Oct 2021 16:59:51 +0800
From:   Jiapeng Chong <jiapeng.chong@...ux.alibaba.com>
To:     andrew@...n.ch
Cc:     hkallweit1@...il.com, linux@...linux.org.uk, davem@...emloft.net,
        kuba@...nel.org, lgirdwood@...il.com, broonie@...nel.org,
        netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
        Jiapeng Chong <jiapeng.chong@...ux.alibaba.com>
Subject: [PATCH] net: phy: Fix unsigned comparison with less than zero

Fix the following coccicheck warning:

./drivers/net/phy/at803x.c:493:5-10: WARNING: Unsigned expression
compared with zero: value < 0.

Reported-by: Abaci Robot <abaci@...ux.alibaba.com>
Fixes: ea13c9ee855c ("drivers: net: phy: at803x: separate wol specific code to wol standard apis")
Signed-off-by: Jiapeng Chong <jiapeng.chong@...ux.alibaba.com>
---
 drivers/net/phy/at803x.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/phy/at803x.c b/drivers/net/phy/at803x.c
index f1cbe1f..dae95d9 100644
--- a/drivers/net/phy/at803x.c
+++ b/drivers/net/phy/at803x.c
@@ -484,7 +484,7 @@ static int at803x_set_wol(struct phy_device *phydev,
 static void at803x_get_wol(struct phy_device *phydev,
 			   struct ethtool_wolinfo *wol)
 {
-	u32 value;
+	int value;
 
 	wol->supported = WAKE_MAGIC;
 	wol->wolopts = 0;
-- 
1.8.3.1