On Thu, Feb 04, 2016 at 12:50:49PM +0200, Jani Nikula wrote: > Do not blindly trust the VBT data used for indexing. > > Cc: [email protected] > Signed-off-by: Jani Nikula <[email protected]>
Reviewed-by: Ville Syrjälä <[email protected]> > --- > drivers/gpu/drm/i915/intel_dsi_panel_vbt.c | 6 ++++++ > 1 file changed, 6 insertions(+) > > diff --git a/drivers/gpu/drm/i915/intel_dsi_panel_vbt.c > b/drivers/gpu/drm/i915/intel_dsi_panel_vbt.c > index 1d43e6f37fc1..4775aa5462e8 100644 > --- a/drivers/gpu/drm/i915/intel_dsi_panel_vbt.c > +++ b/drivers/gpu/drm/i915/intel_dsi_panel_vbt.c > @@ -209,6 +209,11 @@ static const u8 *mipi_exec_gpio(struct intel_dsi > *intel_dsi, const u8 *data) > /* pull up/down */ > action = *data++; > > + if (gpio >= ARRAY_SIZE(gtable)) { > + DRM_DEBUG_KMS("unknown gpio %u\n", gpio); > + goto out; > + } > + > function = gtable[gpio].function_reg; > pad = gtable[gpio].pad_reg; > > @@ -226,6 +231,7 @@ static const u8 *mipi_exec_gpio(struct intel_dsi > *intel_dsi, const u8 *data) > vlv_gpio_nc_write(dev_priv, pad, val); > mutex_unlock(&dev_priv->sb_lock); > > +out: > return data; > } > > -- > 2.1.4 > > _______________________________________________ > Intel-gfx mailing list > [email protected] > http://lists.freedesktop.org/mailman/listinfo/intel-gfx -- Ville Syrjälä Intel OTC _______________________________________________ Intel-gfx mailing list [email protected] http://lists.freedesktop.org/mailman/listinfo/intel-gfx
