Use devm_hwrng_register to get rid of manual unregistration. Signed-off-by: Chuhong Yuan <hslester96@xxxxxxxxx> --- drivers/crypto/atmel-sha204a.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/drivers/crypto/atmel-sha204a.c b/drivers/crypto/atmel-sha204a.c index ea0d2068ea4f..c96c14e7dab1 100644 --- a/drivers/crypto/atmel-sha204a.c +++ b/drivers/crypto/atmel-sha204a.c @@ -109,7 +109,7 @@ static int atmel_sha204a_probe(struct i2c_client *client, i2c_priv->hwrng.read = atmel_sha204a_rng_read; i2c_priv->hwrng.quality = 1024; - ret = hwrng_register(&i2c_priv->hwrng); + ret = devm_hwrng_register(&client->dev, &i2c_priv->hwrng); if (ret) dev_warn(&client->dev, "failed to register RNG (%d)\n", ret); @@ -127,7 +127,6 @@ static int atmel_sha204a_remove(struct i2c_client *client) if (i2c_priv->hwrng.priv) kfree((void *)i2c_priv->hwrng.priv); - hwrng_unregister(&i2c_priv->hwrng); return 0; } -- 2.20.1
