Re: [PATCH v2 2/2] nvmem: core: Expose cells through sysfs

[Greg Kroah-Hartman]

On Thu, Jun 01, 2023 at 10:51:14AM +0200, Miquel Raynal wrote:
> > > +	/* Without exposed cells, successfully exit after
> > > assigning an empty attributes array */
> > > +	if (!ncells)
> > > +		goto unlock_mutex;  
> > 
> > Shouldn't this check be higher up _before_ you allocate any memory?
> > If the attribute group list is empty, nothing should be created,
> > right?  Or will the driver core crash?
> 
> As you rightfully guessed it, the core will crash if no list is
> provided at all. I need to provide an empty list with just an empty
> member and everything goes smoothly. 

Let's fix the core, it shouldn't crash like that :)

thanks,

greg k-h