[U-Boot] [PATCH 2/8] spl: nand: sunxi: Fix second case of modulo by zero error

Maxime Ripard maxime.ripard at free-electrons.com
Wed Jan 24 07:47:31 UTC 2018


On Wed, Jan 24, 2018 at 01:44:48AM +0100, Miquel Raynal wrote:
> In the nand_read_buffer() step, the seed is calculated by doing a modulo
> by conf->nseeds which is always zero when not using the randomizer (most
> of SLC NANDs).
> 
> This situation turns out to lead to a run time freeze.
> 
> Derive this seed only when the randomizer is enabled (and conf->nseeds
> logically not zero).

Mentionning the first occurence of that issue in your commit log would
be great, especially since the situation depends on configuration
options.

Maxime

-- 
Maxime Ripard, Free Electrons
Embedded Linux and Kernel engineering
http://free-electrons.com
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