diff options
Diffstat (limited to 'drivers/crypto/hisilicon/hpre/hpre_crypto.c')
| -rw-r--r-- | drivers/crypto/hisilicon/hpre/hpre_crypto.c | 36 |
1 files changed, 11 insertions, 25 deletions
diff --git a/drivers/crypto/hisilicon/hpre/hpre_crypto.c b/drivers/crypto/hisilicon/hpre/hpre_crypto.c index 7b5cb27d473d..d68599218fd9 100644 --- a/drivers/crypto/hisilicon/hpre/hpre_crypto.c +++ b/drivers/crypto/hisilicon/hpre/hpre_crypto.c @@ -98,9 +98,6 @@ struct hpre_asym_request { struct timespec64 req_time; }; -static DEFINE_MUTEX(hpre_alg_lock); -static unsigned int hpre_active_devs; - static int hpre_alloc_req_id(struct hpre_ctx *ctx) { unsigned long flags; @@ -1160,36 +1157,25 @@ static struct kpp_alg dh = { int hpre_algs_register(void) { - int ret = 0; - - mutex_lock(&hpre_alg_lock); - if (++hpre_active_devs == 1) { - rsa.base.cra_flags = 0; - ret = crypto_register_akcipher(&rsa); - if (ret) - goto unlock; + int ret; + + rsa.base.cra_flags = 0; + ret = crypto_register_akcipher(&rsa); + if (ret) + return ret; #ifdef CONFIG_CRYPTO_DH - ret = crypto_register_kpp(&dh); - if (ret) { - crypto_unregister_akcipher(&rsa); - goto unlock; - } + ret = crypto_register_kpp(&dh); + if (ret) + crypto_unregister_akcipher(&rsa); #endif - } -unlock: - mutex_unlock(&hpre_alg_lock); return ret; } void hpre_algs_unregister(void) { - mutex_lock(&hpre_alg_lock); - if (--hpre_active_devs == 0) { - crypto_unregister_akcipher(&rsa); + crypto_unregister_akcipher(&rsa); #ifdef CONFIG_CRYPTO_DH - crypto_unregister_kpp(&dh); + crypto_unregister_kpp(&dh); #endif - } - mutex_unlock(&hpre_alg_lock); } |