dm crypt: use kzfree

[safe/jmp/linux-2.6] / drivers / md / dm-crypt.c

diff --git a/drivers/md/dm-crypt.c b/drivers/md/dm-crypt.c
index bfefd07..53394e8 100644 (file)
--- 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,