[PATCH 3/6] drm: WARN when trying to add enum value > 63 to a bitmask property

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



From: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>

Enum values >63 with a bitmask property is a programmer error. WARN
when someone is attempting this.

Signed-off-by: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
---
 drivers/gpu/drm/drm_property.c | 4 ++--
 1 file 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) {
-- 
2.16.1

_______________________________________________
dri-devel mailing list
dri-devel@xxxxxxxxxxxxxxxxxxxxx
https://lists.freedesktop.org/mailman/listinfo/dri-devel




[Index of Archives]     [Linux DRI Users]     [Linux Intel Graphics]     [Linux USB Devel]     [Video for Linux]     [Linux Audio Users]     [Yosemite News]     [Linux Kernel]     [Linux SCSI]     [XFree86]     [Linux USB Devel]     [Video for Linux]     [Linux Audio Users]     [Linux Kernel]     [Linux SCSI]     [XFree86]
  Powered by Linux