Messages in this thread Patch in this message | | | Date | Tue, 17 Feb 2009 19:26:19 +0100 | From | Johannes Weiner <> | Subject | [patch 4/7] md: use kzfree() |
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Use kzfree() instead of memset() + kfree().
Signed-off-by: Johannes Weiner <hannes@cmpxchg.org> Reviewed-by: Pekka Enberg <penberg@cs.helsinki.fi> Cc: Alasdair Kergon <dm-devel@redhat.com> --- drivers/md/dm-crypt.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-)
--- a/drivers/md/dm-crypt.c +++ b/drivers/md/dm-crypt.c @@ -1137,8 +1137,7 @@ 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; } @@ -1164,8 +1163,7 @@ static void crypt_dtr(struct dm_target * 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,
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