From fff32c04f6074de0719cc46d8f488aaf746f151a Mon Sep 17 00:00:00 2001 From: "Luis R. Rodriguez" Date: Sat, 21 Feb 2009 00:04:32 -0500 Subject: [PATCH] cfg80211: allow drivers that agree on regulatory to agree This allows drivers that agree on regulatory to share their regulatory domain. Signed-off-by: Luis R. Rodriguez Signed-off-by: John W. Linville --- net/wireless/reg.c | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/net/wireless/reg.c b/net/wireless/reg.c index 7ecb9033ad42..5456534bdf8c 100644 --- a/net/wireless/reg.c +++ b/net/wireless/reg.c @@ -1157,6 +1157,16 @@ static int ignore_request(struct wiphy *wiphy, enum reg_set_by set_by, return 0; return -EALREADY; } + + /* + * This would happen if you unplug and plug your card + * back in or if you add a new device for which the previously + * loaded card also agrees on the regulatory domain. + */ + if (last_request->initiator == REGDOM_SET_BY_DRIVER && + alpha2_equal(cfg80211_regdomain->alpha2, alpha2)) + return -EALREADY; + return REG_INTERSECT; case REGDOM_SET_BY_USER: if (last_request->initiator == REGDOM_SET_BY_COUNTRY_IE)