Files
ack-tegra/drivers
Markus Stockhausen 829ee0f8bc net: mdio: realtek-rtl9300: harden otto_emdio_map_ports()
Due to its design the MDIO driver needs to set up a port to bus/address
mapping during probing. The "ethernet-ports" subnodes are scanned and
from the "phy-handle" property the MDIO nodes are looked up. In case of
a malformed device tree the driver might produce out-of-bounds accesses.
The PHY address is not checked against the maximum supported address.

Add a sanity check and drop the unneeded MAX_SMI_ADDR define.

Signed-off-by: Markus Stockhausen <markus.stockhausen@gmx.de>
Link: https://patch.msgid.link/20260603175924.123019-3-markus.stockhausen@gmx.de
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2026-06-05 18:38:55 -07:00
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2026-05-22 11:52:34 +02:00