static int drm_mode_detachmode(struct drm_device *dev,
			       struct drm_connector *connector,
			       struct drm_display_mode *mode)
{
	int found = 0;
	int ret = 0;
	struct drm_display_mode *match_mode, *t;

	list_for_each_entry_safe(match_mode, t, &connector->user_modes, head) {
		if (drm_mode_equal(match_mode, mode)) {
			list_del(&match_mode->head);
			drm_mode_destroy(dev, match_mode);
			found = 1;
			break;
		}
	}

	if (!found)
		ret = -EINVAL;

	return ret;
}

This weakness involves numeric computation errors, such as integer overflows, underflows, or precision losses, which can lead to miscalculations and exploitable behaviors in software.