diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/gpu/drm/i915/display/intel_bios.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_bios.c b/drivers/gpu/drm/i915/display/intel_bios.c index b0a49b2f957f..128fe9250f40 100644 --- a/drivers/gpu/drm/i915/display/intel_bios.c +++ b/drivers/gpu/drm/i915/display/intel_bios.c @@ -1120,6 +1120,18 @@ parse_sdvo_lvds_data(struct drm_i915_private *i915, if (!dtd) return; + /* + * This should not happen, as long as the panel_type + * enumeration doesn't grow over 4 items. But if it does, it + * could lead to hard-to-detect bugs, so better double-check + * it here to be sure. + */ + if (index >= ARRAY_SIZE(dtd->dtd)) { + drm_err(&i915->drm, "index %d is larger than dtd->dtd[4] array\n", + index); + return; + } + panel_fixed_mode = kzalloc(sizeof(*panel_fixed_mode), GFP_KERNEL); if (!panel_fixed_mode) return; |