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SubjectRe: [PATCH v2] nvmem: rmem: Fix return value of rmem_read()
On Tue, Feb 06, 2024 at 05:22:15PM +0530, Joy Chakraborty wrote:
> > > Userspace will see a false error with nvmem cell reads from
> > > nvmem_cell_attr_read() in current code, which should be fixed on
> > > returning 0 for success.
> >
> > So maybe fix this all up to allow the read to return the actual amount
> > read? That feels more "correct" to me.
> >
>
> If I change the behavior of the nvmem_reg_read_t callback to negative
> for error and number of bytes actually read for success then, other
> than the core driver I would also have to change all the
> nvmem-provider drivers.
> Is it okay to do so ?

Sure, why not? That seems like the correct fix to me, right?

thanks,

greg k-h

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