cfg80211: process non country IE conflicting first
authorLuis R. Rodriguez <mcgrof@do-not-panic.com>
Tue, 5 Nov 2013 17:18:07 +0000 (09:18 -0800)
committerJohannes Berg <johannes.berg@intel.com>
Mon, 25 Nov 2013 19:51:14 +0000 (20:51 +0100)
By dealing with non country IE conficts first we can shift
the code that deals with the conflict to the left. This has
no functional changes.

Signed-off-by: Luis R. Rodriguez <mcgrof@do-not-panic.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
net/wireless/reg.c

index aef3924..875fffc 100644 (file)
@@ -1539,31 +1539,32 @@ __reg_process_hint_country_ie(struct wiphy *wiphy,
                return REG_REQ_ALREADY_SET;
        }
 
-       last_wiphy = wiphy_idx_to_wiphy(lr->wiphy_idx);
-
        if (unlikely(!is_an_alpha2(country_ie_request->alpha2)))
                return -EINVAL;
-       if (lr->initiator == NL80211_REGDOM_SET_BY_COUNTRY_IE) {
-               if (last_wiphy != wiphy) {
-                       /*
-                        * Two cards with two APs claiming different
-                        * Country IE alpha2s. We could
-                        * intersect them, but that seems unlikely
-                        * to be correct. Reject second one for now.
-                        */
-                       if (regdom_changes(country_ie_request->alpha2))
-                               return REG_REQ_IGNORE;
-                       return REG_REQ_ALREADY_SET;
-               }
+
+       if (lr->initiator != NL80211_REGDOM_SET_BY_COUNTRY_IE)
+               return REG_REQ_OK;
+
+       last_wiphy = wiphy_idx_to_wiphy(lr->wiphy_idx);
+
+       if (last_wiphy != wiphy) {
                /*
-                * Two consecutive Country IE hints on the same wiphy.
-                * This should be picked up early by the driver/stack
+                * Two cards with two APs claiming different
+                * Country IE alpha2s. We could
+                * intersect them, but that seems unlikely
+                * to be correct. Reject second one for now.
                 */
-               if (WARN_ON(regdom_changes(country_ie_request->alpha2)))
-                       return REG_REQ_OK;
+               if (regdom_changes(country_ie_request->alpha2))
+                       return REG_REQ_IGNORE;
                return REG_REQ_ALREADY_SET;
        }
-       return REG_REQ_OK;
+       /*
+        * Two consecutive Country IE hints on the same wiphy.
+        * This should be picked up early by the driver/stack
+        */
+       if (WARN_ON(regdom_changes(country_ie_request->alpha2)))
+               return REG_REQ_OK;
+       return REG_REQ_ALREADY_SET;
 }
 
 /**