if (flags & CRYPTO_TFM_REQ_WEAK_KEY) tfm->crt_flags = CRYPTO_TFM_REQ_WEAK_KEY;
int crypto_init_cipher_flags(struct crypto_tfm *tfm, u32 flags){	u32 mode = flags & CRYPTO_TFM_MODE_MASK;		tfm->crt_cipher.cit_mode = mode ? mode : CRYPTO_TFM_MODE_ECB;	if (flags & CRYPTO_TFM_REQ_WEAK_KEY)		tfm->crt_flags = CRYPTO_TFM_REQ_WEAK_KEY;		return 0;}