diff options
| author | Yejune Deng <yejune.deng@gmail.com> | 2020-12-01 14:50:18 +0800 |
|---|---|---|
| committer | Herbert Xu <herbert@gondor.apana.org.au> | 2020-12-11 21:12:05 +1100 |
| commit | a320dc2ff80b8f93b2b8acf2e3ead8ff5ad0bcff (patch) | |
| tree | 6a71217684755f774b13f50a224332114d6b1159 /drivers/crypto | |
| parent | 88574332451380f4b51f6ca88ab9810e714bfb9b (diff) | |
crypto: hisilicon/trng - replace atomic_add_return()
a set of atomic_inc_return() looks more neater
Signed-off-by: Yejune Deng <yejune.deng@gmail.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'drivers/crypto')
| -rw-r--r-- | drivers/crypto/hisilicon/trng/trng.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/drivers/crypto/hisilicon/trng/trng.c b/drivers/crypto/hisilicon/trng/trng.c index a5033cf09e2b..29712685498a 100644 --- a/drivers/crypto/hisilicon/trng/trng.c +++ b/drivers/crypto/hisilicon/trng/trng.c @@ -267,12 +267,12 @@ static int hisi_trng_probe(struct platform_device *pdev) } hisi_trng_add_to_list(trng); - if (atomic_add_return(1, &trng_active_devs) == 1) { + if (atomic_inc_return(&trng_active_devs) == 1) { ret = crypto_register_rng(&hisi_trng_alg); if (ret) { dev_err(&pdev->dev, "failed to register crypto(%d)\n", ret); - atomic_sub_return(1, &trng_active_devs); + atomic_dec_return(&trng_active_devs); goto err_remove_from_list; } } @@ -289,7 +289,7 @@ static int hisi_trng_probe(struct platform_device *pdev) return ret; err_crypto_unregister: - if (atomic_sub_return(1, &trng_active_devs) == 0) + if (atomic_dec_return(&trng_active_devs) == 0) crypto_unregister_rng(&hisi_trng_alg); err_remove_from_list: @@ -305,7 +305,7 @@ static int hisi_trng_remove(struct platform_device *pdev) while (hisi_trng_del_from_list(trng)) ; - if (atomic_sub_return(1, &trng_active_devs) == 0) + if (atomic_dec_return(&trng_active_devs) == 0) crypto_unregister_rng(&hisi_trng_alg); return 0; |