From 1543e317f1da31b75942316931e8f491a8920811 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Thu, 04 Jan 2024 10:08:02 +0000
Subject: [PATCH] disable FB

---
 kernel/drivers/net/phy/mdio_bus.c |    7 ++++++-
 1 files changed, 6 insertions(+), 1 deletions(-)

diff --git a/kernel/drivers/net/phy/mdio_bus.c b/kernel/drivers/net/phy/mdio_bus.c
index 77ba6c3..e9303be 100644
--- a/kernel/drivers/net/phy/mdio_bus.c
+++ b/kernel/drivers/net/phy/mdio_bus.c
@@ -108,7 +108,12 @@
 
 struct phy_device *mdiobus_get_phy(struct mii_bus *bus, int addr)
 {
-	struct mdio_device *mdiodev = bus->mdio_map[addr];
+	struct mdio_device *mdiodev;
+
+	if (addr < 0 || addr >= ARRAY_SIZE(bus->mdio_map))
+		return NULL;
+
+	mdiodev = bus->mdio_map[addr];
 
 	if (!mdiodev)
 		return NULL;

--
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