diff options
Diffstat (limited to 'net/wireless/reg.c')
| -rw-r--r-- | net/wireless/reg.c | 40 |
1 files changed, 27 insertions, 13 deletions
diff --git a/net/wireless/reg.c b/net/wireless/reg.c index ca11f31b3bec..9f4f8439e16a 100644 --- a/net/wireless/reg.c +++ b/net/wireless/reg.c @@ -2191,6 +2191,14 @@ static void print_regdomain_info(const struct ieee80211_regdomain *rd) print_rd_rules(rd); } +static int reg_set_rd_core(const struct ieee80211_regdomain *rd) +{ + if (!is_world_regdom(rd->alpha2)) + return -EINVAL; + update_world_regdomain(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) @@ -2199,18 +2207,6 @@ static int __set_regdom(const struct ieee80211_regdomain *rd, const struct ieee80211_regdomain *intersected_rd = NULL; struct wiphy *request_wiphy; - /* Some basic sanity checks first */ - - if (!reg_is_valid_request(rd->alpha2)) - return -EINVAL; - - if (is_world_regdom(rd->alpha2)) { - if (lr->initiator != NL80211_REGDOM_SET_BY_CORE) - return -EINVAL; - update_world_regdomain(rd); - return 0; - } - if (!is_alpha2_set(rd->alpha2) && !is_an_alpha2(rd->alpha2) && !is_unknown_alpha2(rd->alpha2)) return -EINVAL; @@ -2320,10 +2316,28 @@ int set_regdom(const struct ieee80211_regdomain *rd) struct regulatory_request *lr; int r; + if (!reg_is_valid_request(rd->alpha2)) { + kfree(rd); + return -EINVAL; + } + lr = get_last_request(); /* Note that this doesn't update the wiphys, this is done below */ - r = __set_regdom(rd, lr); + switch (lr->initiator) { + case NL80211_REGDOM_SET_BY_CORE: + r = reg_set_rd_core(rd); + break; + case NL80211_REGDOM_SET_BY_USER: + case NL80211_REGDOM_SET_BY_DRIVER: + case NL80211_REGDOM_SET_BY_COUNTRY_IE: + r = __set_regdom(rd, lr); + break; + default: + WARN(1, "invalid initiator %d\n", lr->initiator); + return -EINVAL; + } + if (r) { if (r == -EALREADY) reg_set_request_processed(); |