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-rw-r--r--crypto/drbg.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/crypto/drbg.c b/crypto/drbg.c
index 37526eb8c5d5..8d80d93cab97 100644
--- a/crypto/drbg.c
+++ b/crypto/drbg.c
@@ -1631,10 +1631,12 @@ static int drbg_uninstantiate(struct drbg_state *drbg)
if (drbg->random_ready.func) {
del_random_ready_callback(&drbg->random_ready);
cancel_work_sync(&drbg->seed_work);
- crypto_free_rng(drbg->jent);
- drbg->jent = NULL;
}
+ if (!IS_ERR_OR_NULL(drbg->jent))
+ crypto_free_rng(drbg->jent);
+ drbg->jent = NULL;
+
if (drbg->d_ops)
drbg->d_ops->crypto_fini(drbg);
drbg_dealloc_state(drbg);