disable FB

hc

2024-01-04 1543e317f1da31b75942316931e8f491a8920811

 kernel/drivers/net/phy/mdio_bus.c
..
..
@@ -108,7 +108,12 @@
108
108
 
109
109
 struct phy_device *mdiobus_get_phy(struct mii_bus *bus, int addr)
110
110
 {
111
-	struct mdio_device *mdiodev = bus->mdio_map[addr];
111
+	struct mdio_device *mdiodev;
112
+
113
+	if (addr < 0 || addr >= ARRAY_SIZE(bus->mdio_map))
114
+		return NULL;
115
+
116
+	mdiodev = bus->mdio_map[addr];
112
117
 
113
118
 	if (!mdiodev)
114
119
 		return NULL;