diff options
Diffstat (limited to 'net')
| -rw-r--r-- | net/wireless/reg.c | 39 | ||||
| -rw-r--r-- | net/wireless/reg.h | 1 |
2 files changed, 29 insertions, 11 deletions
diff --git a/net/wireless/reg.c b/net/wireless/reg.c index c565689f0b9f..3332d5bce317 100644 --- a/net/wireless/reg.c +++ b/net/wireless/reg.c @@ -63,6 +63,10 @@ static struct regulatory_request *last_request; /* To trigger userspace events */ static struct platform_device *reg_pdev; +static struct device_type reg_device_type = { + .uevent = reg_device_uevent, +}; + /* * Central wireless core regulatory domains, we only need two, * the current one and a world regulatory domain in case we have no @@ -362,16 +366,11 @@ static inline void reg_regdb_query(const char *alpha2) {} /* * This lets us keep regulatory code which is updated on a regulatory - * basis in userspace. + * basis in userspace. Country information is filled in by + * reg_device_uevent */ static int call_crda(const char *alpha2) { - char country_env[9 + 2] = "COUNTRY="; - char *envp[] = { - country_env, - NULL - }; - if (!is_world_regdom((char *) alpha2)) pr_info("Calling CRDA for country: %c%c\n", alpha2[0], alpha2[1]); @@ -381,10 +380,7 @@ static int call_crda(const char *alpha2) /* query internal regulatory database (if it exists) */ reg_regdb_query(alpha2); - country_env[8] = alpha2[0]; - country_env[9] = alpha2[1]; - - return kobject_uevent_env(®_pdev->dev.kobj, KOBJ_CHANGE, envp); + return kobject_uevent(®_pdev->dev.kobj, KOBJ_CHANGE); } /* Used by nl80211 before kmalloc'ing our regulatory domain */ @@ -2087,6 +2083,25 @@ int set_regdom(const struct ieee80211_regdomain *rd) return r; } +#ifdef CONFIG_HOTPLUG +int reg_device_uevent(struct device *dev, struct kobj_uevent_env *env) +{ + if (last_request && !last_request->processed) { + if (add_uevent_var(env, "COUNTRY=%c%c", + last_request->alpha2[0], + last_request->alpha2[1])) + return -ENOMEM; + } + + return 0; +} +#else +int reg_device_uevent(struct device *dev, struct kobj_uevent_env *env) +{ + return -ENODEV; +} +#endif /* CONFIG_HOTPLUG */ + /* Caller must hold cfg80211_mutex */ void reg_device_remove(struct wiphy *wiphy) { @@ -2118,6 +2133,8 @@ int __init regulatory_init(void) if (IS_ERR(reg_pdev)) return PTR_ERR(reg_pdev); + reg_pdev->dev.type = ®_device_type; + spin_lock_init(®_requests_lock); spin_lock_init(®_pending_beacons_lock); diff --git a/net/wireless/reg.h b/net/wireless/reg.h index c4695d07af23..b67d1c3a2fb9 100644 --- a/net/wireless/reg.h +++ b/net/wireless/reg.h @@ -8,6 +8,7 @@ bool reg_is_valid_request(const char *alpha2); int regulatory_hint_user(const char *alpha2); +int reg_device_uevent(struct device *dev, struct kobj_uevent_env *env); void reg_device_remove(struct wiphy *wiphy); int __init regulatory_init(void); |