wolfssl: Properly handle failure to initialize SHAKE_256

diff --git a/src/libstrongswan/plugins/wolfssl/wolfssl_xof.c b/src/libstrongswan/plugins/wolfssl/wolfssl_xof.c
index f25c524dc6995e69821b451085cca086593766be..1e5ae6838fb928c5a72afa9d71751018bef96231 100644 (file)
--- a/src/libstrongswan/plugins/wolfssl/wolfssl_xof.c
+++ b/src/libstrongswan/plugins/wolfssl/wolfssl_xof.c
@@ -143,6 +143,7 @@ xof_t *wolfssl_xof_create(ext_out_function_t algorithm)
        if (wc_InitShake256(&this->shake, NULL, 0) != 0)
        {
                free(this);
+               return NULL;
        }
 
        return &this->public;