Geert Uytterhoeven afc7851fab serial: pxa: Fix out-of-bounds access through serial port index ...

The serial_pxa_ports[] array is indexed using a value derived from the
"serialN" alias in DT, or from platform data, which may lead to an
out-of-bounds access.

Fix this by adding a range check.

Fixes: 699c20f3e6 ("serial: pxa: add OF support")
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

2018-02-28 15:29:59 +01:00

22 KiB

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