- char *comma = NULL, *endptr = NULL;
- struct perf_stat_config *config = (struct perf_stat_config *)opt->value;
-
- if (strncmp(str, "fd:", 3))
- return -EINVAL;
-
- config->ctl_fd = strtoul(&str[3], &endptr, 0);
- if (endptr == &str[3])
- return -EINVAL;