Commit 14ab6de4 authored by Tian Tao's avatar Tian Tao Committed by Herbert Xu
Browse files

hwrng: optee - Use device-managed registration API 



Use devm_hwrng_register to get rid of manual unregistration.

Signed-off-by: default avatarTian Tao <tiantao6@hisilicon.com>
Reviewed-by: default avatarSumit Garg <sumit.garg@linaro.org>
Signed-off-by: default avatarHerbert Xu <herbert@gondor.apana.org.au>
parent fc754c02

drivers/char/hw_random/optee-rng.c

+1 −2
Original line number Diff line number Diff line
@@ -243,7 +243,7 @@ static int optee_rng_probe(struct device *dev) 
	if (err)

		goto out_sess;



	err = hwrng_register(&pvt_data.optee_rng);

	err = devm_hwrng_register(dev, &pvt_data.optee_rng);

	if (err) {

		dev_err(dev, "hwrng registration failed (%d)\n", err);

		goto out_sess;
@@ -263,7 +263,6 @@ static int optee_rng_probe(struct device *dev) 


static int optee_rng_remove(struct device *dev)

{

	hwrng_unregister(&pvt_data.optee_rng);

	tee_client_close_session(pvt_data.ctx, pvt_data.session_id);

	tee_client_close_context(pvt_data.ctx);