diff options
| -rw-r--r-- | p11-kit/p11-kit-lib.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/p11-kit/p11-kit-lib.c b/p11-kit/p11-kit-lib.c index 59cdd19..abc58f8 100644 --- a/p11-kit/p11-kit-lib.c +++ b/p11-kit/p11-kit-lib.c @@ -197,6 +197,9 @@ create_mutex (CK_VOID_PTR_PTR mut) pthread_mutex_t *pmutex; int err; + if (mut == NULL) + return CKR_ARGUMENTS_BAD; + pmutex = malloc (sizeof (pthread_mutex_t)); if (!pmutex) return CKR_HOST_MEMORY; @@ -215,6 +218,9 @@ destroy_mutex (CK_VOID_PTR mut) pthread_mutex_t *pmutex = mut; int err; + if (mut == NULL) + return CKR_MUTEX_BAD; + err = pthread_mutex_destroy (pmutex); if (err == EINVAL) return CKR_MUTEX_BAD; @@ -230,6 +236,9 @@ lock_mutex (CK_VOID_PTR mut) pthread_mutex_t *pmutex = mut; int err; + if (mut == NULL) + return CKR_MUTEX_BAD; + err = pthread_mutex_lock (pmutex); if (err == EINVAL) return CKR_MUTEX_BAD; @@ -244,6 +253,9 @@ unlock_mutex (CK_VOID_PTR mut) pthread_mutex_t *pmutex = mut; int err; + if (mut == NULL) + return CKR_MUTEX_BAD; + err = pthread_mutex_unlock (pmutex); if (err == EINVAL) return CKR_MUTEX_BAD; |