net: Fix Covarity Defect 244093

Don't allow unterminated strings

Signed-off-by: Joe Hershberger <joe.hershberger@ni.com>

diff --git a/net/mdio-uclass.c b/net/mdio-uclass.c
index 36a404f..1c0d252 100644 (file)
--- a/net/mdio-uclass.c
+++ b/net/mdio-uclass.c
@@ -75,7 +75,7 @@ static int dm_mdio_post_probe(struct udevice *dev)
        pdata->mii_bus->write = mdio_write;
        pdata->mii_bus->reset = mdio_reset;
        pdata->mii_bus->priv = dev;
-       strncpy(pdata->mii_bus->name, dev->name, MDIO_NAME_LEN);
+       strncpy(pdata->mii_bus->name, dev->name, MDIO_NAME_LEN - 1);
 
        return mdio_register(pdata->mii_bus);
 }