cryptd_aead_child
EXPORT_SYMBOL_GPL(cryptd_aead_child);
child = cryptd_aead_child(ctx->cryptd_tfm);
child = cryptd_aead_child(ctx->cryptd_tfm);
reqsize = max(crypto_aead_reqsize(cryptd_aead_child(cryptd_tfm)),
struct crypto_aead *cryptd_aead_child(struct cryptd_aead *tfm);