hostaudio_mutex 66 arch/um/drivers/hostaudio_kern.c static DEFINE_MUTEX(hostaudio_mutex); hostaudio_mutex 199 arch/um/drivers/hostaudio_kern.c mutex_lock(&hostaudio_mutex); hostaudio_mutex 201 arch/um/drivers/hostaudio_kern.c mutex_unlock(&hostaudio_mutex); hostaudio_mutex 260 arch/um/drivers/hostaudio_kern.c mutex_lock(&hostaudio_mutex); hostaudio_mutex 262 arch/um/drivers/hostaudio_kern.c mutex_unlock(&hostaudio_mutex);