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Date: Wed, 25 Sep 2019 14:01:00 +0300 From: Dan Carpenter <dan.carpenter@...cle.com> To: Andrew Lunn <andrew@...n.ch>, Dongpo Li <lidongpo@...ilicon.com> Cc: Florian Fainelli <f.fainelli@...il.com>, Heiner Kallweit <hkallweit1@...il.com>, Rob Herring <robh+dt@...nel.org>, Frank Rowand <frowand.list@...il.com>, netdev@...r.kernel.org, devicetree@...r.kernel.org, linux-kernel@...r.kernel.org, kernel-janitors@...r.kernel.org Subject: [PATCH net] of: mdio: Fix a signedness bug in of_phy_get_and_connect() The "iface" variable is an enum and in this context GCC treats it as an unsigned int so the error handling is never triggered. Fixes: b78624125304 ("of_mdio: Abstract a general interface for phy connect") Signed-off-by: Dan Carpenter <dan.carpenter@...cle.com> --- drivers/of/of_mdio.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/of/of_mdio.c b/drivers/of/of_mdio.c index 000b95787df1..bd6129db6417 100644 --- a/drivers/of/of_mdio.c +++ b/drivers/of/of_mdio.c @@ -362,7 +362,7 @@ struct phy_device *of_phy_get_and_connect(struct net_device *dev, int ret; iface = of_get_phy_mode(np); - if (iface < 0) + if ((int)iface < 0) return NULL; if (of_phy_is_fixed_link(np)) { ret = of_phy_register_fixed_link(np); -- 2.20.1
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