91 	struct mutex mutex;  member
211 	mutex_init(&prng_data->mutex);  in prng_tdes_instantiate()
382 	mutex_init(&prng_data->mutex);  in prng_sha512_instantiate()
508 	if (mutex_lock_interruptible(&prng_data->mutex))  in prng_tdes_read()
519 			mutex_unlock(&prng_data->mutex);  in prng_tdes_read()
522 			if (mutex_lock_interruptible(&prng_data->mutex)) {  in prng_tdes_read()
576 	mutex_unlock(&prng_data->mutex);  in prng_tdes_read()
593 	if (mutex_lock_interruptible(&prng_data->mutex))  in prng_sha512_read()
604 			mutex_unlock(&prng_data->mutex);  in prng_sha512_read()
607 			if (mutex_lock_interruptible(&prng_data->mutex)) {  in prng_sha512_read()
645 	mutex_unlock(&prng_data->mutex);  in prng_sha512_read()
696 	if (mutex_lock_interruptible(&prng_data->mutex))  in prng_counter_show()
702 	mutex_unlock(&prng_data->mutex);  in prng_counter_show()
734 	if (mutex_lock_interruptible(&prng_data->mutex))  in prng_reseed_store()
737 	mutex_unlock(&prng_data->mutex);  in prng_reseed_store()