From ea08eeccae9297f7aabd2ef7f0c2517ac4549acc Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Tue, 20 Feb 2024 01:18:26 +0000
Subject: [PATCH] write in 30M
---
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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