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cfg80211: process non country IE conflicting first 

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>
This commit is contained in:
Luis R. Rodriguez 2013-11-05 09:18:07 -08:00 committed by Johannes Berg
parent b23e7a9e6b
commit 2f1c6c572d
1 changed files with 20 additions and 19 deletions
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39
net/wireless/reg.c
View 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;
}
/**