diff options
Diffstat (limited to 'drivers')
-rw-r--r-- | drivers/md/dm-crypt.c | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/drivers/md/dm-crypt.c b/drivers/md/dm-crypt.c index f2662c21a6df..8a03b3590733 100644 --- a/drivers/md/dm-crypt.c +++ b/drivers/md/dm-crypt.c @@ -2858,10 +2858,9 @@ static int crypt_ctr_auth_cipher(struct crypt_config *cc, char *cipher_api) if (!start || !end || ++start > end) return -EINVAL; - mac_alg = kzalloc(end - start + 1, GFP_KERNEL); + mac_alg = kmemdup_nul(start, end - start, GFP_KERNEL); if (!mac_alg) return -ENOMEM; - strncpy(mac_alg, start, end - start); mac = crypto_alloc_ahash(mac_alg, 0, CRYPTO_ALG_ALLOCATES_MEMORY); kfree(mac_alg); |