diff options
Diffstat (limited to 'drivers/net/macsec.c')
| -rw-r--r-- | drivers/net/macsec.c | 14 |
1 files changed, 13 insertions, 1 deletions
diff --git a/drivers/net/macsec.c b/drivers/net/macsec.c index 0045108d7159..d8b2b49d6d5f 100644 --- a/drivers/net/macsec.c +++ b/drivers/net/macsec.c @@ -3224,8 +3224,20 @@ static int macsec_validate_attr(struct nlattr *tb[], struct nlattr *data[]) if (data[IFLA_MACSEC_CIPHER_SUITE]) csid = nla_get_u64(data[IFLA_MACSEC_CIPHER_SUITE]); - if (data[IFLA_MACSEC_ICV_LEN]) + if (data[IFLA_MACSEC_ICV_LEN]) { icv_len = nla_get_u8(data[IFLA_MACSEC_ICV_LEN]); + if (icv_len != DEFAULT_ICV_LEN) { + char dummy_key[DEFAULT_SAK_LEN] = { 0 }; + struct crypto_aead *dummy_tfm; + + dummy_tfm = macsec_alloc_tfm(dummy_key, + DEFAULT_SAK_LEN, + icv_len); + if (IS_ERR(dummy_tfm)) + return PTR_ERR(dummy_tfm); + crypto_free_aead(dummy_tfm); + } + } switch (csid) { case MACSEC_DEFAULT_CIPHER_ID: |