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authorPeter Zijlstra <peterz@infradead.org>2020-07-08 11:38:59 +0200
committerPeter Zijlstra <peterz@infradead.org>2020-07-08 11:38:59 +0200
commitfaa2fd7cbad4609d06d7904c0a80cf2f8cd23678 (patch)
tree3a5bfcc8879b719aec97cb73ed6e020cde502546 /crypto/drbg.c
parent01e377c539ca52a6c753d0fdbe93b3b8fcd66a1c (diff)
parentce3614daabea8a2d01c1dd17ae41d1ec5e5ae7db (diff)
downloadlinux-faa2fd7cbad4609d06d7904c0a80cf2f8cd23678.tar.bz2
Merge branch 'sched/urgent'
Diffstat (limited to 'crypto/drbg.c')
-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);