diff options
| -rw-r--r-- | crypto/drbg.c | 12 |
1 files changed, 4 insertions, 8 deletions
diff --git a/crypto/drbg.c b/crypto/drbg.c index a278f84f536f..30ec2a624b70 100644 --- a/crypto/drbg.c +++ b/crypto/drbg.c @@ -1249,11 +1249,6 @@ static int drbg_generate(struct drbg_state *drbg, if ((drbg_max_requests(drbg)) < drbg->reseed_ctr) drbg->seeded = false; - /* allocate cipher handle */ - len = drbg->d_ops->crypto_init(drbg); - if (len) - goto err; - if (drbg->pr || !drbg->seeded) { pr_devel("DRBG: reseeding before generation (prediction " "resistance: %s, state %s)\n", @@ -1325,7 +1320,6 @@ static int drbg_generate(struct drbg_state *drbg, */ len = 0; err: - drbg->d_ops->crypto_fini(drbg); return len; } @@ -1424,9 +1418,10 @@ static int drbg_instantiate(struct drbg_state *drbg, struct drbg_string *pers, if (drbg->d_ops->crypto_init(drbg)) goto err; ret = drbg_seed(drbg, pers, false); - drbg->d_ops->crypto_fini(drbg); - if (ret) + if (ret) { + drbg->d_ops->crypto_fini(drbg); goto err; + } mutex_unlock(&drbg->drbg_mutex); return 0; @@ -1450,6 +1445,7 @@ unlock: static int drbg_uninstantiate(struct drbg_state *drbg) { mutex_lock(&drbg->drbg_mutex); + drbg->d_ops->crypto_fini(drbg); drbg_dealloc_state(drbg); /* no scrubbing of test_data -- this shall survive an uninstantiate */ mutex_unlock(&drbg->drbg_mutex); |