[PATCH v2 3/9] serial: imx: Fix out-of-bounds access through serial port index

[u.kleine-koenig@xxxxxxxxxxxxxx (Uwe Kleine-König)]

On Fri, Feb 23, 2018 at 02:38:31PM +0100, Geert Uytterhoeven wrote:
> The imx_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: ff05967a07225ab6 ("serial/imx: add of_alias_get_id() reference back")
> Signed-off-by: Geert Uytterhoeven <geert+renesas at glider.be>
Reviewed-by: Uwe Kleine-K?nig <u.kleine-koenig at pengutronix.de>

Thanks for your time
Uwe

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