if (!start || !end || ++start > end)
return -EINVAL;
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;
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);
mac = crypto_alloc_ahash(mac_alg, 0, CRYPTO_ALG_ALLOCATES_MEMORY);
kfree(mac_alg);