Hi Lucas,

On 05/21, Lucas De Marchi wrote:
>
> Acked-By: Lucas De Marchi <lucas.demar...@intel.com>

Thanks.

> > @@ -147,6 +147,9 @@ int __request_module(bool wait, const char *fmt, ...)
> >          */
> >         WARN_ON_ONCE(wait && current_is_async());
> >
> > +       if (!modprobe_path[0])
> > +               return 0;
> > +
>
> Any reason to not return -EINVAL here except for maintaining the
> previous behavior?

But for what?

Keep the previous behaviour is important. And this matches, say,
kobject_uevent_env().

> Checking the callers reveals just a few of them
> actually check the return value and IMO this is no different than the
> binary not existing and failing later on exec.

Yes, agreed. And perhaps request_module() is different. For example,
search_binary_handler(). Perhaps we should change this, but imho this
needs more patches/discussion.

This is like the previous commit 264b83c0 reverted by this patch, the
change tries to be simple and conservative.

Oleg.

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