From: Ville Syrjälä ville.syrjala@linux.intel.com
Refactor the code to check whether an object has a specific property to a new function.
v1: original v2: rebase on atomic -- Rob Clark v3: EINVAL->ENOENT
Signed-off-by: Ville Syrjälä ville.syrjala@linux.intel.com --- drivers/gpu/drm/drm_crtc.c | 27 +++++++++++++++------------ 1 file changed, 15 insertions(+), 12 deletions(-)
diff --git a/drivers/gpu/drm/drm_crtc.c b/drivers/gpu/drm/drm_crtc.c index da641fb..9f46f3b 100644 --- a/drivers/gpu/drm/drm_crtc.c +++ b/drivers/gpu/drm/drm_crtc.c @@ -3375,6 +3375,19 @@ static int drm_mode_set_obj_prop(struct drm_mode_object *obj, return -EINVAL; }
+static bool object_has_prop(const struct drm_mode_object *obj, u32 prop_id) +{ + int i; + + if (!obj->properties) + return false; + + for (i = 0; i < obj->properties->count; i++) + if (obj->properties->ids[i] == prop_id) + return true; + return false; +} + /* call with mode_config mutex held */ static int drm_mode_set_obj_prop_id(struct drm_device *dev, void *state, uint32_t obj_id, uint32_t obj_type, @@ -3383,20 +3396,10 @@ static int drm_mode_set_obj_prop_id(struct drm_device *dev, void *state, struct drm_mode_object *arg_obj; struct drm_mode_object *prop_obj; struct drm_property *property; - int i;
arg_obj = drm_mode_object_find(dev, obj_id, obj_type); - if (!arg_obj) - return -EINVAL; - if (!arg_obj->properties) - return -EINVAL; - - for (i = 0; i < arg_obj->properties->count; i++) - if (arg_obj->properties->ids[i] == prop_id) - break; - - if (i == arg_obj->properties->count) - return -EINVAL; + if (!(arg_obj && object_has_prop(arg_obj, prop_id))) + return -ENOENT;
prop_obj = drm_mode_object_find(dev, prop_id, DRM_MODE_OBJECT_PROPERTY);