[PATCH 1/5] drm/gma500: fix error path in gma_intel_setup_gmbus()

[Daniel Vetter]

On Wed, Feb 10, 2016 at 08:41:17AM +0200, Andy Shevchenko wrote:
> On Tue, Feb 9, 2016 at 10:11 PM, Rasmus Villemoes
> <linux at rasmusvillemoes.dk> wrote:
> > The current code fails to call i2c_del_adapter on
> > dev_prev->gmbus[0].adapter, and if the for loop above failed already
> > at i==0, all hell breaks loose when we do the loop body for
> > i = -1,-2,...
> >
> 
> Reviewed-by: Andy Shevchenko <andy.shevchenko at gmail.com>

Applied to drm-misc, thanks.
-Daniel

> 
> > Signed-off-by: Rasmus Villemoes <linux at rasmusvillemoes.dk>
> > ---
> >  drivers/gpu/drm/gma500/intel_gmbus.c | 2 +-
> >  1 file changed, 1 insertion(+), 1 deletion(-)
> >
> > diff --git a/drivers/gpu/drm/gma500/intel_gmbus.c b/drivers/gpu/drm/gma500/intel_gmbus.c
> > index 566d330aaeea..e7e22187c539 100644
> > --- a/drivers/gpu/drm/gma500/intel_gmbus.c
> > +++ b/drivers/gpu/drm/gma500/intel_gmbus.c
> > @@ -436,7 +436,7 @@ int gma_intel_setup_gmbus(struct drm_device *dev)
> >         return 0;
> >
> >  err:
> > -       while (--i) {
> > +       while (i--) {
> >                 struct intel_gmbus *bus = &dev_priv->gmbus[i];
> >                 i2c_del_adapter(&bus->adapter);
> >         }
> > --
> > 2.1.4
> >
> 
> 
> 
> -- 
> With Best Regards,
> Andy Shevchenko
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> dri-devel at lists.freedesktop.org
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-- 
Daniel Vetter
Software Engineer, Intel Corporation
http://blog.ffwll.ch