On Wed, Apr 1, 2015 at 9:15 AM, Gerd Hoffmann <[email protected]> wrote: > Signed-off-by: Gerd Hoffmann <[email protected]>
Reviewed-by: Alex Deucher <[email protected]> > --- > drivers/gpu/drm/drm_irq.c | 3 +++ > 1 file changed, 3 insertions(+) > > diff --git a/drivers/gpu/drm/drm_irq.c b/drivers/gpu/drm/drm_irq.c > index 10574a0..c631c1a 100644 > --- a/drivers/gpu/drm/drm_irq.c > +++ b/drivers/gpu/drm/drm_irq.c > @@ -1026,6 +1026,9 @@ int drm_vblank_get(struct drm_device *dev, int crtc) > unsigned long irqflags; > int ret = 0; > > + if (!dev->num_crtcs) > + return -EINVAL; > + > if (WARN_ON(crtc >= dev->num_crtcs)) > return -EINVAL; > > -- > 1.8.3.1 > > _______________________________________________ > dri-devel mailing list > [email protected] > http://lists.freedesktop.org/mailman/listinfo/dri-devel -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
