Re: [PATCH] usb: usb-skeleton: Add hint to find __init and __exit

[Philipp Hortmann]

On 10/23/21 8:47 AM, Greg KH wrote:
> On Sat, Oct 23, 2021 at 07:25:38AM +0200, Philipp Hortmann wrote:
> > Comment to find __init and __exit.
> >
> > Signed-off-by: Philipp Hortmann <philipp.g.hortmann@xxxxxxxxx>
> > ---
> >   drivers/usb/usb-skeleton.c | 1 +
> >   1 file changed, 1 insertion(+)
> >
> > diff --git a/drivers/usb/usb-skeleton.c b/drivers/usb/usb-skeleton.c
> > index 2dc58766273a..80338a50dcde 100644
> > --- a/drivers/usb/usb-skeleton.c
> > +++ b/drivers/usb/usb-skeleton.c
> > @@ -641,6 +641,7 @@ static struct usb_driver skel_driver = {
> >   	.supports_autosuspend = 1,
> >   };
> >   
> > +/* __init and __exit */
> >   module_usb_driver(skel_driver);
>
> This comment makes no sense, sorry.  __init and __exit are things that
> the linker uses, why would you need to "find" them?
>
> thanks,
>
> greg k-h

When I want to add something to the __init function (debug comment for 
example), how to do this without knowing that it is in module_usb_driver?

thanks,

Philipp