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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-08 04:15:07 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-08 04:15:07 +0000
commit7fd92ba31ac1c688b59aa93cc03b748f920df8fe (patch)
treebaa580b97c260c790730e2525483eb1953f3c39d /drivers/net/phy/mdio_bus.c
parentAdding upstream version 4.19.269. (diff)
downloadlinux-7fd92ba31ac1c688b59aa93cc03b748f920df8fe.tar.xz
linux-7fd92ba31ac1c688b59aa93cc03b748f920df8fe.zip
Adding upstream version 4.19.282.upstream/4.19.282
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/net/phy/mdio_bus.c')
-rw-r--r--drivers/net/phy/mdio_bus.c7
1 files changed, 6 insertions, 1 deletions
diff --git a/drivers/net/phy/mdio_bus.c b/drivers/net/phy/mdio_bus.c
index 1d1fbd7bd..550806351 100644
--- a/drivers/net/phy/mdio_bus.c
+++ b/drivers/net/phy/mdio_bus.c
@@ -103,7 +103,12 @@ EXPORT_SYMBOL(mdiobus_unregister_device);
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;