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Commit 84721d44 authored by Luis R. Rodriguez's avatar Luis R. Rodriguez Committed by Johannes Berg
Browse files

cfg80211: set user regulatory updates on its own 



This splits out the user regulatory update on its
own, this helps simplify reading the case.

Signed-off-by: default avatarLuis R. Rodriguez <mcgrof@do-not-panic.com>
Signed-off-by: default avatarJohannes Berg <johannes.berg@intel.com>
parent 3b9e5aca

net/wireless/reg.c

+35 −0
Original line number Diff line number Diff line
@@ -2199,6 +2199,39 @@ static int reg_set_rd_core(const struct ieee80211_regdomain *rd) 
	return 0;

}



static int reg_set_rd_user(const struct ieee80211_regdomain *rd,

			   struct regulatory_request *user_request)

{

	const struct ieee80211_regdomain *intersected_rd = NULL;



	if (is_world_regdom(rd->alpha2))

		return -EINVAL;



	if (!regdom_changes(rd->alpha2))

		return -EALREADY;



	if (!is_valid_rd(rd)) {

		pr_err("Invalid regulatory domain detected:\n");

		print_regdomain_info(rd);

		return -EINVAL;

	}



	if (!user_request->intersect) {

		reset_regdomains(false, rd);

		return 0;

	}



	intersected_rd = regdom_intersect(rd, get_cfg80211_regdom());

	if (!intersected_rd)

		return -EINVAL;



	kfree(rd);

	rd = NULL;

	reset_regdomains(false, intersected_rd);



	return 0;

}



/* Takes ownership of rd only if it doesn't fail */

static int __set_regdom(const struct ieee80211_regdomain *rd,

			struct regulatory_request *lr)
@@ -2329,6 +2362,8 @@ int set_regdom(const struct ieee80211_regdomain *rd) 
		r = reg_set_rd_core(rd);

		break;

	case NL80211_REGDOM_SET_BY_USER:

		r = reg_set_rd_user(rd, lr);

		break;

	case NL80211_REGDOM_SET_BY_DRIVER:

	case NL80211_REGDOM_SET_BY_COUNTRY_IE:

		r = __set_regdom(rd, lr);