fix for checking on if RNG was init'd in test before free'ing it

Author: JacobBarthelmeh

test/wh_test_crypto.c

@@ -3734,6 +3734,7 @@ int whTestCrypto_MlDsaVerifyOnlyDma(whClientContext* ctx, int devId,
 int whTest_CryptoClientConfig(whClientConfig* config)
 {
     int i;
+    int rngInited = 0;
     whClientContext client[1] = {0};
     int ret = 0;
     /* wolfcrypt */
@@ -3775,6 +3776,9 @@ int whTest_CryptoClientConfig(whClientConfig* config)
         if (ret != 0) {
             WH_ERROR_PRINT("Failed to reinitialize RNG %d\n", ret);
         }
+        else {
+            rngInited = 1;
+        }
     }
 
     if (ret == 0) {
@@ -3935,7 +3939,9 @@ int whTest_CryptoClientConfig(whClientConfig* config)
 #endif /* WOLFHSM_CFG_TEST_VERBOSE */
 
     /* Clean up used resources */
-    (void)wc_FreeRng(rng);
+    if (rngInited) {
+        (void)wc_FreeRng(rng);
+    }
     (void)wh_Client_CommClose(client);
     (void)wh_Client_Cleanup(client);