diff options
Diffstat (limited to 'arch/arm/crypto/chacha-glue.c')
| -rw-r--r-- | arch/arm/crypto/chacha-glue.c | 26 |
1 files changed, 16 insertions, 10 deletions
diff --git a/arch/arm/crypto/chacha-glue.c b/arch/arm/crypto/chacha-glue.c index 3f0c057aa050..6ebbb2b241d2 100644 --- a/arch/arm/crypto/chacha-glue.c +++ b/arch/arm/crypto/chacha-glue.c @@ -286,11 +286,13 @@ static struct skcipher_alg neon_algs[] = { static int __init chacha_simd_mod_init(void) { - int err; + int err = 0; - err = crypto_register_skciphers(arm_algs, ARRAY_SIZE(arm_algs)); - if (err) - return err; + if (IS_REACHABLE(CONFIG_CRYPTO_SKCIPHER)) { + err = crypto_register_skciphers(arm_algs, ARRAY_SIZE(arm_algs)); + if (err) + return err; + } if (IS_ENABLED(CONFIG_KERNEL_MODE_NEON) && (elf_hwcap & HWCAP_NEON)) { int i; @@ -310,18 +312,22 @@ static int __init chacha_simd_mod_init(void) static_branch_enable(&use_neon); } - err = crypto_register_skciphers(neon_algs, ARRAY_SIZE(neon_algs)); - if (err) - crypto_unregister_skciphers(arm_algs, ARRAY_SIZE(arm_algs)); + if (IS_REACHABLE(CONFIG_CRYPTO_SKCIPHER)) { + err = crypto_register_skciphers(neon_algs, ARRAY_SIZE(neon_algs)); + if (err) + crypto_unregister_skciphers(arm_algs, ARRAY_SIZE(arm_algs)); + } } return err; } static void __exit chacha_simd_mod_fini(void) { - crypto_unregister_skciphers(arm_algs, ARRAY_SIZE(arm_algs)); - if (IS_ENABLED(CONFIG_KERNEL_MODE_NEON) && (elf_hwcap & HWCAP_NEON)) - crypto_unregister_skciphers(neon_algs, ARRAY_SIZE(neon_algs)); + if (IS_REACHABLE(CONFIG_CRYPTO_SKCIPHER)) { + crypto_unregister_skciphers(arm_algs, ARRAY_SIZE(arm_algs)); + if (IS_ENABLED(CONFIG_KERNEL_MODE_NEON) && (elf_hwcap & HWCAP_NEON)) + crypto_unregister_skciphers(neon_algs, ARRAY_SIZE(neon_algs)); + } } module_init(chacha_simd_mod_init); |