[PATCH] mtdblock: tolerate corrected bit-flips

[Miquel Raynal]

Hi Richard,

richard at nod.at wrote on Tue, 28 Mar 2023 15:21:50 +0200 (CEST):

> Hi!
> 
> ----- Ursprüngliche Mail -----
> > libang.linuxer at gmail.com wrote on Thu, 23 Mar 2023 22:03:50 +0800:
> >   
> >> mtd_read() may return -EUCLEAN in case of corrected bit-flips.This
> >> particular condition should not be treated like an error.  
> > 
> > I'm fine with the patch, Richard, are you okay as well?  
> 
> Hm yes. I see the bug. I think it broke about 10 years ago
> by e47f68587b82 ("mtd: check for max_bitflips in mtd_read_oob()").
> 
> In the early day I'd expect someone to hit this bug but I guess
> on the last 10 years mtdblock had no real users.

Right.

Well, anyhow I guess this patch deserves a Fixes/Cc: stable # v3.7+

Li, can you please re-send with the proper tags? Thanks.

Thanks,
Miquèl