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crypto: atmel-ecc - drop dead code in atmel_ecdh_max_size

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atmel_ecdh_init_tfm() always allocates ctx->fallback, so it is never
NULL in atmel_ecdh_max_size(). Remove the dead code and return
crypto_kpp_maxsize() directly.

Signed-off-by: Thorsten Blum <thorsten.blum@linux.dev>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Thorsten Blum
2026-06-03 00:25:19 +02:00
committed by Herbert Xu
parent 9dbf173bd3
commit 70fd646ae5
1 changed files with 1 additions and 9 deletions
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10
drivers/crypto/atmel-ecc.c
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@@ -284,15 +284,7 @@ static unsigned int atmel_ecdh_max_size(struct crypto_kpp *tfm)
{
struct atmel_ecdh_ctx *ctx = kpp_tfm_ctx(tfm);
if (ctx->fallback)
return crypto_kpp_maxsize(ctx->fallback);
/*
* The device only supports NIST P256 ECC keys. The public key size will
* always be the same. Use a macro for the key size to avoid unnecessary
* computations.
*/
return ATMEL_ECC_PUBKEY_SIZE;
return crypto_kpp_maxsize(ctx->fallback);
}
static struct kpp_alg atmel_ecdh_nist_p256 = {