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cfg80211: set user regulatory updates on its own

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

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 09:18:15 -08:00 committed by Johannes Berg
parent 3b9e5aca46
commit 84721d4490
1 changed files with 35 additions and 0 deletions
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35
net/wireless/reg.c
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@ -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);