Hi, Laurent Pinchart found that on uni-processor kernels without spinlock debugging spin_is_locked() is always zero, which causes a bad WARN_ON() message to be shown. The following patch removes the WARN_ON() and replaces it with assert_spin_locked() which works correctly. Regards, -- Sakari Ailus sakari.ailus@xxxxxxxxxxxxxxxxxxxxxxxxxx -- To unsubscribe from this list: send the line "unsubscribe linux-media" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html