dm crypt: use kzfree

Use kzfree() instead of memset() + kfree().

Signed-off-by: Johannes Weiner <[email protected]>
Reviewed-by: Pekka Enberg <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Alasdair G Kergon <[email protected]>
This commit is contained in:
Johannes Weiner 2009-04-02 19:55:28 +01:00 • committed by Alasdair G Kergon
commit b81d6cf79b

View file

@ -1156,8 +1156,7 @@ bad_ivmode:
crypto_free_ablkcipher(tfm);
bad_cipher:
/* Must zero key material before freeing */
memset(cc, 0, sizeof(*cc) + cc->key_size * sizeof(u8));
kfree(cc);
kzfree(cc);
return -EINVAL;
}
@ -1183,8 +1182,7 @@ static void crypt_dtr(struct dm_target *ti)
dm_put_device(ti, cc->dev);
/* Must zero key material before freeing */
memset(cc, 0, sizeof(*cc) + cc->key_size * sizeof(u8));
kfree(cc);
kzfree(cc);
}
static int crypt_map(struct dm_target *ti, struct bio *bio,