[PATCH v2] mtd: rawnand: make subop helpers return unsigned values

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Hi Boris,

Boris Brezillon <boris.brezillon at bootlin.com> wrote on Thu, 19 Jul 2018
00:31:34 +0200:

> On Thu, 19 Jul 2018 00:09:12 +0200
> Miquel Raynal <miquel.raynal at bootlin.com> wrote:
> 
> > A report from Colin Ian King pointed a CoverityScan issue where error
> > values on these helpers where not checked in the drivers. These
> > helpers can error out only in case of a software bug in driver code,
> > not because of a runtime/hardware error. Hence, let's WARN_ON() in this
> > case and return 0 which is harmless anyway.
> > 
> > Fixes: 8878b126df76 ("mtd: nand: add ->exec_op() implementation")
> > Cc: stable at vger.kernel.org  
> 
> Is it really worth backporting this patch? I mean, the bug does not
> exist, it's just a potential problem that can only arise when
> drivers/core are buggy, which AFAICT is not the case yet :-).

Ok, I'll remove the Cc: stable tag but I guess I can keep the Fixes
one.

Miqu?l



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