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authorDan Carpenter <dan.carpenter@oracle.com>2019-09-25 14:01:00 +0300
committerDavid S. Miller <davem@davemloft.net>2019-09-27 10:19:09 +0200
commitd7eb651212fdbafa82d485d8e76095ac3b14c193 (patch)
treea4beeffc5c6dba08e6455440f09f6fb3ba017e92 /drivers/of
parent73e211e11be86715d66bd3c9d38b3c34b05fca9a (diff)
downloadlinux-d7eb651212fdbafa82d485d8e76095ac3b14c193.tar.gz
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@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/of')
-rw-r--r--drivers/of/of_mdio.c2
1 files changed, 1 insertions, 1 deletions
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);