if (WARN_ON(!reg_is_valid_request(rd->alpha2)))
return -EINVAL;
- reset_regdomains();
+ if (!is_valid_rd(rd)) {
+ printk(KERN_ERR "cfg80211: Invalid "
+ "regulatory domain detected:\n");
+ print_regdomain_info(rd);
+ return -EINVAL;
+ }
- /* Country IE parsing coming soon */
- switch (last_request->initiator) {
- case REGDOM_SET_BY_CORE:
- case REGDOM_SET_BY_DRIVER:
- case REGDOM_SET_BY_USER:
- if (!is_valid_rd(rd)) {
- printk(KERN_ERR "cfg80211: Invalid "
- "regulatory domain detected:\n");
- print_regdomain_info(rd);
- return -EINVAL;
- }
- break;
- case REGDOM_SET_BY_COUNTRY_IE: /* Not yet */
- WARN_ON(1);
- default:
- return -EOPNOTSUPP;
+ if (!last_request->intersect) {
+ reset_regdomains();
+ cfg80211_regdomain = rd;
+ return 0;
}
- if (unlikely(last_request->intersect)) {
+ /* Intersection requires a bit more work */
+
+ if (last_request->initiator != REGDOM_SET_BY_COUNTRY_IE) {
+
intersected_rd = regdom_intersect(rd, cfg80211_regdomain);
if (!intersected_rd)
return -EINVAL;
+
+ /* We can trash what CRDA provided now */
kfree(rd);
- rd = intersected_rd;
+ rd = NULL;
+
+ reset_regdomains();
+ cfg80211_regdomain = intersected_rd;
+
+ return 0;
}
- /* Tada! */
- cfg80211_regdomain = rd;
+ /* Country IE parsing coming soon */
+ reset_regdomains();
+ WARN_ON(1);
return 0;
}