/*
- * Copyright 1995-2020 The OpenSSL Project Authors. All Rights Reserved.
+ * Copyright 1995-2021 The OpenSSL Project Authors. All Rights Reserved.
*
* Licensed under the Apache License 2.0 (the "License"). You may not use
* this file except in compliance with the License. You can obtain a copy
{
BN_MONT_CTX *ret;
- CRYPTO_THREAD_read_lock(lock);
+ if (!CRYPTO_THREAD_read_lock(lock))
+ return NULL;
ret = *pmont;
CRYPTO_THREAD_unlock(lock);
if (ret)
}
/* The locked compare-and-set, after the local work is done. */
- CRYPTO_THREAD_write_lock(lock);
+ if (!CRYPTO_THREAD_write_lock(lock)) {
+ BN_MONT_CTX_free(ret);
+ return NULL;
+ }
+
if (*pmont) {
BN_MONT_CTX_free(ret);
ret = *pmont;