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-rw-r--r--arch/arm/crypto/chacha-glue.c26
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);