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dm crypt: use crypt_integrity_aead() helper

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Replace test_bit(CRYPT_MODE_INTEGRITY_AEAD, XXX) with
crypt_integrity_aead().

Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
This commit is contained in:
Yang Yingliang 2020-02-13 12:11:26 +08:00 committed by Mike Snitzer
parent fb33c6510d
commit 3fd53533a8
1 changed files with 4 additions and 2 deletions
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6
drivers/md/dm-crypt.c
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@ -230,6 +230,8 @@ static void kcryptd_queue_crypt(struct dm_crypt_io *io);
static struct scatterlist *crypt_get_sg_data(struct crypt_config *cc,
struct scatterlist *sg);
static bool crypt_integrity_aead(struct crypt_config *cc);
/*
* Use this to access cipher attributes that are independent of the key.
*/
@ -346,7 +348,7 @@ static int crypt_iv_benbi_ctr(struct crypt_config *cc, struct dm_target *ti,
unsigned bs;
int log;
if (test_bit(CRYPT_MODE_INTEGRITY_AEAD, &cc->cipher_flags))
if (crypt_integrity_aead(cc))
bs = crypto_aead_blocksize(any_tfm_aead(cc));
else
bs = crypto_skcipher_blocksize(any_tfm(cc));
@ -712,7 +714,7 @@ static int crypt_iv_random_gen(struct crypt_config *cc, u8 *iv,
static int crypt_iv_eboiv_ctr(struct crypt_config *cc, struct dm_target *ti,
const char *opts)
{
if (test_bit(CRYPT_MODE_INTEGRITY_AEAD, &cc->cipher_flags)) {
if (crypt_integrity_aead(cc)) {
ti->error = "AEAD transforms not supported for EBOIV";
return -EINVAL;
}