From: Miaoqian Lin linmq006@gmail.com
[ Upstream commit b45396afa4177f2b1ddfeff7185da733fade1dc3 ]
The fixed_phy_get_gpiod function() returns NULL, it doesn't return error pointers, using NULL checking to fix this.i
Fixes: 5468e82f7034 ("net: phy: fixed-phy: Drop GPIO from fixed_phy_add()") Signed-off-by: Miaoqian Lin linmq006@gmail.com Link: https://lore.kernel.org/r/20211224021500.10362-1-linmq006@gmail.com Signed-off-by: Jakub Kicinski kuba@kernel.org Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/net/phy/fixed_phy.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/net/phy/fixed_phy.c b/drivers/net/phy/fixed_phy.c index 18d81f43f2a88..dd30a6883a027 100644 --- a/drivers/net/phy/fixed_phy.c +++ b/drivers/net/phy/fixed_phy.c @@ -239,8 +239,8 @@ static struct phy_device *__fixed_phy_register(unsigned int irq, /* Check if we have a GPIO associated with this fixed phy */ if (!gpiod) { gpiod = fixed_phy_get_gpiod(np); - if (IS_ERR(gpiod)) - return ERR_CAST(gpiod); + if (!gpiod) + return ERR_PTR(-EINVAL); }
/* Get the next available PHY address, up to PHY_MAX_ADDR */