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-rw-r--r--crypto/algapi.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/crypto/algapi.c b/crypto/algapi.c
index 2154815201a7..6a98076d9d2a 100644
--- a/crypto/algapi.c
+++ b/crypto/algapi.c
@@ -507,6 +507,9 @@ EXPORT_SYMBOL_GPL(crypto_init_spawn2);
507 507
508void crypto_drop_spawn(struct crypto_spawn *spawn) 508void crypto_drop_spawn(struct crypto_spawn *spawn)
509{ 509{
510 if (!spawn->alg)
511 return;
512
510 down_write(&crypto_alg_sem); 513 down_write(&crypto_alg_sem);
511 list_del(&spawn->list); 514 list_del(&spawn->list);
512 up_write(&crypto_alg_sem); 515 up_write(&crypto_alg_sem);