if (is_backend)
return fio_server_text_output(buffer, len);
else {
- if (f_err != stderr)
- fwrite(buffer, len, 1, stderr);
+ if (f_err != stderr) {
+ int fio_unused ret;
+
+ ret = fwrite(buffer, len, 1, stderr);
+ }
return fwrite(buffer, len, 1, f_err);
}