diff options
Diffstat (limited to 'net/wireless')
| -rw-r--r-- | net/wireless/reg.c | 73 |
1 files changed, 20 insertions, 53 deletions
diff --git a/net/wireless/reg.c b/net/wireless/reg.c index 7aba46efc7dd..626dbb688499 100644 --- a/net/wireless/reg.c +++ b/net/wireless/reg.c @@ -174,32 +174,27 @@ static bool is_old_static_regdom(const struct ieee80211_regdomain *rd) return true; return false; } - -/* The old crap never deals with a world regulatory domain, it only - * deals with the static regulatory domain passed and if possible - * an updated "US" or "JP" regulatory domain. We do however store the - * old static regulatory domain in cfg80211_world_regdom for convenience - * of use here */ -static void reset_regdomains_static(void) +#else +static inline bool is_old_static_regdom(const struct ieee80211_regdomain *rd) { - if (!is_old_static_regdom(cfg80211_regdomain)) - kfree(cfg80211_regdomain); - /* This is setting the regdom to the old static regdom */ - cfg80211_regdomain = - (struct ieee80211_regdomain *) cfg80211_world_regdom; + return false; } -#else +#endif + static void reset_regdomains(void) { - if (cfg80211_world_regdom && cfg80211_world_regdom != &world_regdom) { - if (cfg80211_world_regdom == cfg80211_regdomain) { - kfree(cfg80211_regdomain); - } else { - kfree(cfg80211_world_regdom); - kfree(cfg80211_regdomain); - } - } else if (cfg80211_regdomain && cfg80211_regdomain != &world_regdom) - kfree(cfg80211_regdomain); + /* avoid freeing static information or freeing something twice */ + if (cfg80211_regdomain == cfg80211_world_regdom) + cfg80211_regdomain = NULL; + if (cfg80211_world_regdom == &world_regdom) + cfg80211_world_regdom = NULL; + if (cfg80211_regdomain == &world_regdom) + cfg80211_regdomain = NULL; + if (is_old_static_regdom(cfg80211_regdomain)) + cfg80211_regdomain = NULL; + + kfree(cfg80211_regdomain); + kfree(cfg80211_world_regdom); cfg80211_world_regdom = &world_regdom; cfg80211_regdomain = NULL; @@ -216,7 +211,6 @@ static void update_world_regdomain(const struct ieee80211_regdomain *rd) cfg80211_world_regdom = rd; cfg80211_regdomain = rd; } -#endif bool is_world_regdom(const char *alpha2) { @@ -297,12 +291,8 @@ static int call_crda(const char *alpha2) printk(KERN_INFO "cfg80211: Calling CRDA for country: %c%c\n", alpha2[0], alpha2[1]); else -#ifdef CONFIG_WIRELESS_OLD_REGULATORY - return -EINVAL; -#else printk(KERN_INFO "cfg80211: Calling CRDA to update world " "regulatory domain\n"); -#endif country_env[8] = alpha2[0]; country_env[9] = alpha2[1]; @@ -728,20 +718,12 @@ static int __set_regdom(const struct ieee80211_regdomain *rd) /* Some basic sanity checks first */ -#ifdef CONFIG_WIRELESS_OLD_REGULATORY - /* We ignore the world regdom with the old static regdomains setup - * as there is no point to it with static regulatory definitions :( - * Don't worry this shit will be removed soon... */ - if (is_world_regdom(rd->alpha2)) - return -EINVAL; -#else if (is_world_regdom(rd->alpha2)) { if (WARN_ON(!__reg_is_valid_request(rd->alpha2, &request))) return -EINVAL; update_world_regdomain(rd); return 0; } -#endif if (!is_alpha2_set(rd->alpha2) && !is_an_alpha2(rd->alpha2) && !is_unknown_alpha2(rd->alpha2)) @@ -750,15 +732,10 @@ static int __set_regdom(const struct ieee80211_regdomain *rd) if (list_empty(®ulatory_requests)) return -EINVAL; -#ifdef CONFIG_WIRELESS_OLD_REGULATORY - /* Static "US" and "JP" will be overridden, but just once */ + /* allow overriding the static definitions if CRDA is present */ if (!is_old_static_regdom(cfg80211_regdomain) && - !regdom_changed(rd->alpha2)) - return -EINVAL; -#else - if (!regdom_changed(rd->alpha2)) + !regdom_changed(rd->alpha2)) return -EINVAL; -#endif /* Now lets set the regulatory domain, update all driver channels * and finally inform them of what we have done, in case they want @@ -768,11 +745,7 @@ static int __set_regdom(const struct ieee80211_regdomain *rd) if (WARN_ON(!__reg_is_valid_request(rd->alpha2, &request))) return -EINVAL; -#ifdef CONFIG_WIRELESS_OLD_REGULATORY - reset_regdomains_static(); -#else reset_regdomains(); -#endif /* Country IE parsing coming soon */ switch (request->initiator) { @@ -858,10 +831,8 @@ int regulatory_init(void) #ifdef CONFIG_WIRELESS_OLD_REGULATORY cfg80211_regdomain = static_regdom(ieee80211_regdom); - /* Used during reset_regdomains_static() */ - cfg80211_world_regdom = cfg80211_regdomain; - printk(KERN_INFO "cfg80211: Using old static regulatory domain:\n"); + printk(KERN_INFO "cfg80211: Using static regulatory domain info\n"); print_regdomain_info(cfg80211_regdomain); /* The old code still requests for a new regdomain and if * you have CRDA you get it updated, otherwise you get @@ -889,11 +860,7 @@ void regulatory_exit(void) mutex_lock(&cfg80211_drv_mutex); -#ifdef CONFIG_WIRELESS_OLD_REGULATORY - reset_regdomains_static(); -#else reset_regdomains(); -#endif list_for_each_entry_safe(req, req_tmp, ®ulatory_requests, list) { list_del(&req->list); |