[PATCH v2] mtd: rawnand: tegra: check bounds of die_nr properly

[miquel.raynal@xxxxxxxxxxx (Miquel Raynal)]

Hi Marcel,

Marcel Ziswiler <marcel at ziswiler.com> wrote on Tue, 17 Jul 2018
10:46:18 +0200:

> From: Stefan Agner <stefan at agner.ch>
> 
> The Tegra driver currently only support a single chip select, hence
> check boundaries accordingly. This fixes a off by one issue catched
> with Smatch:
>     drivers/mtd/nand/raw/tegra_nand.c:476 tegra_nand_select_chip()
>     warn: array off by one? 'nand->cs[die_nr]'
> 
> Also warn in case the stack asks for a chip select we currently do
> not support.
> 
> Reported-by: Dan Carpenter <dan.carpenter at oracle.com>
> Signed-off-by: Stefan Agner <stefan at agner.ch>
> Signed-off-by: Miquel Raynal <miquel.raynal at bootlin.com>
> Signed-off-by: Marcel Ziswiler <marcel.ziswiler at toradex.com>

Applied on nand/next in place of the previous one (with my SoB after
yours).

Thanks,
Miqu?l