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crypto: ixp4xx - use memcpy_and_pad() in register_chain_var()

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Use memcpy_and_pad() instead of separate memcpy() and memset() calls to
simplify register_chain_var().

Signed-off-by: Thorsten Blum <blum@kernel.org>
Reviewed-by: Linus Walleij <linusw@kernel.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Thorsten Blum 2026-09-21 08:11:22 +02:00 committed by Herbert Xu
parent 1dfb15e642
commit d76957328a
1 changed files with 1 additions and 2 deletions
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3
drivers/crypto/intel/ixp4xx/ixp4xx_crypto.c
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@ -707,8 +707,7 @@ static int register_chain_var(struct crypto_tfm *tfm, u8 xpad, u32 target,
return -EAGAIN;
}
memcpy(pad, key, key_len);
memset(pad + key_len, 0, HMAC_PAD_BLOCKLEN - key_len);
memcpy_and_pad(pad, HMAC_PAD_BLOCKLEN, key, key_len, 0);
for (i = 0; i < HMAC_PAD_BLOCKLEN; i++)
pad[i] ^= xpad;