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| author | Ville Syrjälä <ville.syrjala@linux.intel.com> | 2018-03-06 18:48:46 +0200 |
|---|---|---|
| committer | Ville Syrjälä <ville.syrjala@linux.intel.com> | 2018-03-07 18:21:10 +0200 |
| commit | 8c6c2fe2f11b0f03be34efd1639ab921c8a4c163 (patch) | |
| tree | c4e468877427617cadd4f91eaa81c6d94ca8c8e1 /drivers/gpu/drm/drm_property.c | |
| parent | 1371f2604dad70942041a7f1ed1a2029c67606b1 (diff) | |
| download | linux-8c6c2fe2f11b0f03be34efd1639ab921c8a4c163.tar.bz2 | |
drm: WARN when trying to add enum value > 63 to a bitmask property
Enum values >63 with a bitmask property is a programmer error. WARN
when someone is attempting this.
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20180306164849.2862-3-ville.syrjala@linux.intel.com
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Diffstat (limited to 'drivers/gpu/drm/drm_property.c')
| -rw-r--r-- | drivers/gpu/drm/drm_property.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/gpu/drm/drm_property.c b/drivers/gpu/drm/drm_property.c index e676b1ecc705..019d1abb94ca 100644 --- a/drivers/gpu/drm/drm_property.c +++ b/drivers/gpu/drm/drm_property.c @@ -386,8 +386,8 @@ int drm_property_add_enum(struct drm_property *property, int index, * Bitmask enum properties have the additional constraint of values * from 0 to 63 */ - if (drm_property_type_is(property, DRM_MODE_PROP_BITMASK) && - (value > 63)) + if (WARN_ON(drm_property_type_is(property, DRM_MODE_PROP_BITMASK) && + value > 63)) return -EINVAL; list_for_each_entry(prop_enum, &property->enum_list, head) { |