diff options
Diffstat (limited to 'lib/crypto/c_src/hmac.c')
| -rw-r--r-- | lib/crypto/c_src/hmac.c | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/lib/crypto/c_src/hmac.c b/lib/crypto/c_src/hmac.c index 143cde90e1..6ddbd2c59a 100644 --- a/lib/crypto/c_src/hmac.c +++ b/lib/crypto/c_src/hmac.c @@ -84,11 +84,17 @@ ERL_NIF_TERM hmac_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]) static void hmac_context_dtor(ErlNifEnv* env, struct hmac_context *obj) { + if (obj == NULL) + return; + if (obj->alive) { - HMAC_CTX_free(obj->ctx); + if (obj->ctx) + HMAC_CTX_free(obj->ctx); obj->alive = 0; } - enif_mutex_destroy(obj->mtx); + + if (obj->mtx != NULL) + enif_mutex_destroy(obj->mtx); } ERL_NIF_TERM hmac_init_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]) |