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cfg80211: allow drivers that agree on regulatory to agree

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This allows drivers that agree on regulatory to share their
regulatory domain.

Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Luis R. Rodriguez 2009-02-21 00:04:32 -05:00 committed by John W. Linville
parent fb1fc7add5
commit fff32c04f6
1 changed files with 10 additions and 0 deletions
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10
net/wireless/reg.c
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@ -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)