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crypto: x86/aesni - Update aesni_set_key() to return void

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The aesni_set_key() implementation has no error case, yet its prototype
specifies to return an error code.

Modify the function prototype to return void and adjust the related code.

Signed-off-by: Chang S. Bae <chang.seok.bae@intel.com>
Reviewed-by: Eric Biggers <ebiggers@google.com>
Cc: Eric Biggers <ebiggers@kernel.org>
Cc: Ard Biesheuvel <ardb@kernel.org>
Cc: linux-crypto@vger.kernel.org
Cc: x86@kernel.org
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Chang S. Bae 2024-03-22 16:04:59 -07:00 committed by Herbert Xu
parent d50b35f0c4
commit e3299a4c1c
2 changed files with 6 additions and 7 deletions
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3
arch/x86/crypto/aesni-intel_asm.S
View File

@ -1820,7 +1820,7 @@ SYM_FUNC_START_LOCAL(_key_expansion_256b)
SYM_FUNC_END(_key_expansion_256b)
/*
* int aesni_set_key(struct crypto_aes_ctx *ctx, const u8 *in_key,
* void aesni_set_key(struct crypto_aes_ctx *ctx, const u8 *in_key,
* unsigned int key_len)
*/
SYM_FUNC_START(aesni_set_key)
@ -1926,7 +1926,6 @@ SYM_FUNC_START(aesni_set_key)
sub $0x10, UKEYP
cmp TKEYP, KEYP
jb .Ldec_key_loop
xor AREG, AREG
#ifndef __x86_64__
popl KEYP
#endif

6
arch/x86/crypto/aesni-intel_glue.c
View File

@ -87,7 +87,7 @@ static inline void *aes_align_addr(void *addr)
return PTR_ALIGN(addr, AESNI_ALIGN);
}
asmlinkage int aesni_set_key(struct crypto_aes_ctx *ctx, const u8 *in_key,
asmlinkage void aesni_set_key(struct crypto_aes_ctx *ctx, const u8 *in_key,
unsigned int key_len);
asmlinkage void aesni_enc(const void *ctx, u8 *out, const u8 *in);
asmlinkage void aesni_dec(const void *ctx, u8 *out, const u8 *in);
@ -241,9 +241,9 @@ static int aes_set_key_common(struct crypto_aes_ctx *ctx,
return err;
kernel_fpu_begin();
err = aesni_set_key(ctx, in_key, key_len);
aesni_set_key(ctx, in_key, key_len);
kernel_fpu_end();
return err;
return 0;
}
static int aes_set_key(struct crypto_tfm *tfm, const u8 *in_key,