net: broadcom/bcmsysport: Fix signedness in bcm_sysport_probe()

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 <[email protected]>
Acked-by: Florian Fainelli <[email protected]>
Signed-off-by: David S. Miller <[email protected]>

diff --git a/drivers/net/ethernet/broadcom/bcmsysport.c b/drivers/net/ethernet/broadcom/bcmsysport.c
index 7df887e4024c8b75350d210e286abfb281e15587..a977a459bd20daffb5a0a3b81126480449979080 100644 (file)
--- a/drivers/net/ethernet/broadcom/bcmsysport.c
+++ b/drivers/net/ethernet/broadcom/bcmsysport.c
@@ -2481,7 +2481,7 @@ 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