[PATCH] drm/vboxvideo: Make structure vbox_fb_helper_funcs constant

[Sam Ravnborg]

On Wed, Aug 14, 2019 at 07:51:37PM +0200, Daniel Vetter wrote:
> On Wed, Aug 14, 2019 at 07:36:55PM +0200, Hans de Goede wrote:
> > Hi,
> > 
> > On 14-08-19 19:26, Daniel Vetter wrote:
> > > On Tue, Aug 13, 2019 at 09:57:19AM +0200, Hans de Goede wrote:
> > > > Hi,
> > > > 
> > > > On 13-08-19 08:25, Nishka Dasgupta wrote:
> > > > > The static structure vbox_fb_helper_funcs, of type drm_fb_helper_funcs,
> > > > > is used only when it is passed as the third argument to
> > > > > drm_fb_helper_fbdev_setup(), which does not modify it. Hence make it
> > > > > constant to protect it from unintended modifications.
> > > > > Issue found with Coccinelle.
> > > > > 
> > > > > Signed-off-by: Nishka Dasgupta <nishkadg.linux at gmail.com>
> > > > 
> > > > Thank you for the patch, this looks good to me:
> > > > 
> > > > Reviewed-by: Hans de Goede <hdegoede at redhat.com>
> > > 
> > > I'm assuming you'll apply this to drm-misc-next too? Good to state that,
> > > to avoid confusion and coordination issues.
> > 
> > Actually I'm so used to the workflow in other subsystems I was
> > expecting the subsys maintainer to pick it up. But I know that
> > is not how it works for the drm subsys and since I'm the vboxvideo
> > maintainer I guess it makes sense for me to pick this up and push it.
> 
> Yeah, drm subsystem maintainers are exceedingly lazy bastards. Same
> applies to subtree maintainers (at least in most cases).

Be careful, this could end up in some popular news site.

	Sam
>  
> > So yes I will pick this up and push it to drm-misc-next, sorry
> > for the confusion.
> 
> Thanks, Daniel
> 
> > 
> > Regards,
> > 
> > Hans
> > 
> > 
> > > > > ---
> > > > >    drivers/gpu/drm/vboxvideo/vbox_drv.c | 2 +-
> > > > >    1 file changed, 1 insertion(+), 1 deletion(-)
> > > > > 
> > > > > diff --git a/drivers/gpu/drm/vboxvideo/vbox_drv.c b/drivers/gpu/drm/vboxvideo/vbox_drv.c
> > > > > index 02537ab9cc08..2b57ea3195f2 100644
> > > > > --- a/drivers/gpu/drm/vboxvideo/vbox_drv.c
> > > > > +++ b/drivers/gpu/drm/vboxvideo/vbox_drv.c
> > > > > @@ -32,7 +32,7 @@ static const struct pci_device_id pciidlist[] = {
> > > > >    };
> > > > >    MODULE_DEVICE_TABLE(pci, pciidlist);
> > > > > -static struct drm_fb_helper_funcs vbox_fb_helper_funcs = {
> > > > > +static const struct drm_fb_helper_funcs vbox_fb_helper_funcs = {
> > > > >    	.fb_probe = vboxfb_create,
> > > > >    };
> > > > > 
> > > 
> 
> -- 
> Daniel Vetter
> Software Engineer, Intel Corporation
> http://blog.ffwll.ch
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