cfg80211: ignore consecutive equal regulatory hints
We ignore regulatory hints for the same alpha2 if we already have processed the same alpha2 on the current regulatory domain. For a driver regulatory_hint() this means we copy onto its wiphy->regd the previously procesed regulatory domain from CRDA without having to call CRDA again. Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
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@ -1080,8 +1080,13 @@ static int ignore_request(struct wiphy *wiphy, enum reg_set_by set_by,
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}
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return REG_INTERSECT;
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case REGDOM_SET_BY_DRIVER:
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if (last_request->initiator == REGDOM_SET_BY_CORE)
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return 0;
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if (last_request->initiator == REGDOM_SET_BY_CORE) {
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if (is_old_static_regdom(cfg80211_regdomain))
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return 0;
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if (!alpha2_equal(cfg80211_regdomain->alpha2, alpha2))
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return 0;
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return -EALREADY;
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}
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return REG_INTERSECT;
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case REGDOM_SET_BY_USER:
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if (last_request->initiator == REGDOM_SET_BY_COUNTRY_IE)
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@ -1101,6 +1106,10 @@ static int ignore_request(struct wiphy *wiphy, enum reg_set_by set_by,
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return -EAGAIN;
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}
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if (!is_old_static_regdom(cfg80211_regdomain) &&
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alpha2_equal(cfg80211_regdomain->alpha2, alpha2))
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return -EALREADY;
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return 0;
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}
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