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Message-Id: <20200116173641.22137-164-sashal@kernel.org>
Date:   Thu, 16 Jan 2020 12:35:53 -0500
From:   Sasha Levin <sashal@...nel.org>
To:     linux-kernel@...r.kernel.org, stable@...r.kernel.org
Cc:     Dan Carpenter <dan.carpenter@...cle.com>,
        Florian Fainelli <f.fainelli@...il.com>,
        "David S . Miller" <davem@...emloft.net>,
        Sasha Levin <sashal@...nel.org>,
        bcm-kernel-feedback-list@...adcom.com, netdev@...r.kernel.org
Subject: [PATCH AUTOSEL 4.9 204/251] net: broadcom/bcmsysport: Fix signedness in bcm_sysport_probe()

From: Dan Carpenter <dan.carpenter@...cle.com>

[ Upstream commit 25a584955f020d6ec499c513923fb220f3112d2b ]

The "priv->phy_interface" variable is an enum and in this context GCC
will treat it as unsigned so the error handling will never be
triggered.

Fixes: 80105befdb4b ("net: systemport: add Broadcom SYSTEMPORT Ethernet MAC driver")
Signed-off-by: Dan Carpenter <dan.carpenter@...cle.com>
Acked-by: Florian Fainelli <f.fainelli@...il.com>
Signed-off-by: David S. Miller <davem@...emloft.net>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 drivers/net/ethernet/broadcom/bcmsysport.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/broadcom/bcmsysport.c b/drivers/net/ethernet/broadcom/bcmsysport.c
index 95874c10c23b..e3b41af65d18 100644
--- a/drivers/net/ethernet/broadcom/bcmsysport.c
+++ b/drivers/net/ethernet/broadcom/bcmsysport.c
@@ -1773,7 +1773,7 @@ static int bcm_sysport_probe(struct platform_device *pdev)
 
 	priv->phy_interface = of_get_phy_mode(dn);
 	/* Default to GMII interface mode */
-	if (priv->phy_interface < 0)
+	if ((int)priv->phy_interface < 0)
 		priv->phy_interface = PHY_INTERFACE_MODE_GMII;
 
 	/* In the case of a fixed PHY, the DT node associated
-- 
2.20.1

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