Smatch complains that if of_get_address() returns NULL, then "size"
isn't initialized. Also it would lead to an Oops.
Fixes: 7f78322cdd67 ("phy: ti: gmii-sel: retrieve ports number and base offset from dt")
Signed-off-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
---
drivers/phy/ti/phy-gmii-sel.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/drivers/phy/ti/phy-gmii-sel.c b/drivers/phy/ti/phy-gmii-sel.c
index 5fd2e8a08bfc..d0ab69750c6b 100644
--- a/drivers/phy/ti/phy-gmii-sel.c
+++ b/drivers/phy/ti/phy-gmii-sel.c
@@ -320,6 +320,8 @@ static int phy_gmii_sel_init_ports(struct phy_gmii_sel_priv *priv)
u64 size;
offset = of_get_address(dev->of_node, 0, &size, NULL);
+ if (!offset)
+ return -EINVAL;
priv->num_ports = size / sizeof(u32);
if (!priv->num_ports)
return -EINVAL;
--
2.20.1
