From: Dan Carpenter dan.carpenter@oracle.com
[ Upstream commit d7eb651212fdbafa82d485d8e76095ac3b14c193 ]
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 Signed-off-by: Sasha Levin sashal@kernel.org Signed-off-by: Yang Yingliang yangyingliang@huawei.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 5ad1342..7d2bc22 100644 --- a/drivers/of/of_mdio.c +++ b/drivers/of/of_mdio.c @@ -370,7 +370,7 @@ 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);