Fix for missing TPM2_ReleaseLock in TPM2_GetProductInfo.

Author: dgarske

examples/tls/tls_server.c

@@ -535,7 +535,7 @@ int TPM2_TLS_ServerArgs(void* userCtx, int argc, char *argv[])
         rc = wolfSSL_CTX_use_certificate_file(ctx, useCert, WOLFSSL_FILETYPE_PEM);
     #endif
         if (rc != WOLFSSL_SUCCESS) {
-        #ifndef NO_FILESYSTEM
+        #if !defined(NO_FILESYSTEM) && !defined(WOLFTPM_MFG_IDENTITY)
             printf("Error loading ECC client cert: %s\n", useCert);
         #else
             printf("Error loading ECC client cert\n");

src/tpm2.c

@@ -5467,6 +5467,7 @@ TPM_RC TPM2_GetProductInfo(uint8_t* info, uint16_t size)
                 size = packet.size - 26;
             XMEMCPY(info, &packet.buf[25], size);
         }
+        TPM2_ReleaseLock(ctx);
     }
     return rc;
 }