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authorJohannes Weiner <hannes@cmpxchg.org>2009-04-02 19:55:28 +0100
committerAlasdair G Kergon <agk@redhat.com>2009-04-02 19:55:28 +0100
commitb81d6cf79b57f6123a5d4f7a4932cc359995484d (patch)
treeac3df19b3800c4ecb9e5725ada90c606d542dfbb /drivers
parent45194e4f89fbdd97a2b7d2698c05f0b00c19e820 (diff)
dm crypt: use kzfree
Use kzfree() instead of memset() + kfree(). Signed-off-by: Johannes Weiner <hannes@cmpxchg.org> Reviewed-by: Pekka Enberg <penberg@cs.helsinki.fi> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Alasdair G Kergon <agk@redhat.com>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/md/dm-crypt.c6
1 files changed, 2 insertions, 4 deletions
diff --git a/drivers/md/dm-crypt.c b/drivers/md/dm-crypt.c
index bfefd079a95..53394e863c7 100644
--- a/drivers/md/dm-crypt.c
+++ b/drivers/md/dm-crypt.c
@@ -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,