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-rw-r--r--crypto/drbg.c12
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);