ptype_lock 153 net/core/dev.c static DEFINE_SPINLOCK(ptype_lock); ptype_lock 328 net/core/dev.c spin_lock(&ptype_lock); ptype_lock 330 net/core/dev.c spin_unlock(&ptype_lock); ptype_lock 352 net/core/dev.c spin_lock(&ptype_lock); ptype_lock 363 net/core/dev.c spin_unlock(&ptype_lock);