diff options
| -rw-r--r-- | net/wireless/core.c | 14 | ||||
| -rw-r--r-- | net/wireless/core.h | 16 | ||||
| -rw-r--r-- | net/wireless/nl80211.c | 2 | ||||
| -rw-r--r-- | net/wireless/reg.c | 14 |
4 files changed, 12 insertions, 34 deletions
diff --git a/net/wireless/core.c b/net/wireless/core.c index 14d990400354..747dd9365a44 100644 --- a/net/wireless/core.c +++ b/net/wireless/core.c @@ -57,9 +57,6 @@ struct cfg80211_registered_device *cfg80211_rdev_by_wiphy_idx(int wiphy_idx) { struct cfg80211_registered_device *result = NULL, *rdev; - if (!wiphy_idx_valid(wiphy_idx)) - return NULL; - assert_cfg80211_lock(); list_for_each_entry(rdev, &cfg80211_rdev_list, list) { @@ -74,10 +71,8 @@ struct cfg80211_registered_device *cfg80211_rdev_by_wiphy_idx(int wiphy_idx) int get_wiphy_idx(struct wiphy *wiphy) { - struct cfg80211_registered_device *rdev; - if (!wiphy) - return WIPHY_IDX_STALE; - rdev = wiphy_to_dev(wiphy); + struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); + return rdev->wiphy_idx; } @@ -86,9 +81,6 @@ struct wiphy *wiphy_idx_to_wiphy(int wiphy_idx) { struct cfg80211_registered_device *rdev; - if (!wiphy_idx_valid(wiphy_idx)) - return NULL; - assert_cfg80211_lock(); rdev = cfg80211_rdev_by_wiphy_idx(wiphy_idx); @@ -309,7 +301,7 @@ struct wiphy *wiphy_new(const struct cfg80211_ops *ops, int sizeof_priv) rdev->wiphy_idx = wiphy_counter++; - if (unlikely(!wiphy_idx_valid(rdev->wiphy_idx))) { + if (unlikely(rdev->wiphy_idx < 0)) { wiphy_counter--; mutex_unlock(&cfg80211_mutex); /* ugh, wrapped! */ diff --git a/net/wireless/core.h b/net/wireless/core.h index 3563097169cb..b8f4630c6ada 100644 --- a/net/wireless/core.h +++ b/net/wireless/core.h @@ -18,6 +18,9 @@ #include <net/cfg80211.h> #include "reg.h" + +#define WIPHY_IDX_INVALID -1 + struct cfg80211_registered_device { const struct cfg80211_ops *ops; struct list_head list; @@ -96,13 +99,6 @@ struct cfg80211_registered_device *wiphy_to_dev(struct wiphy *wiphy) return container_of(wiphy, struct cfg80211_registered_device, wiphy); } -/* Note 0 is valid, hence phy0 */ -static inline -bool wiphy_idx_valid(int wiphy_idx) -{ - return wiphy_idx >= 0; -} - static inline void cfg80211_rdev_free_wowlan(struct cfg80211_registered_device *rdev) { @@ -126,12 +122,6 @@ static inline void assert_cfg80211_lock(void) lockdep_assert_held(&cfg80211_mutex); } -/* - * You can use this to mark a wiphy_idx as not having an associated wiphy. - * It guarantees cfg80211_rdev_by_wiphy_idx(wiphy_idx) will return NULL - */ -#define WIPHY_IDX_STALE -1 - struct cfg80211_internal_bss { struct list_head list; struct rb_node rbn; diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c index a19583cf4b6e..5fbc8cd9731b 100644 --- a/net/wireless/nl80211.c +++ b/net/wireless/nl80211.c @@ -8048,7 +8048,7 @@ void nl80211_send_reg_change_event(struct regulatory_request *request) goto nla_put_failure; } - if (wiphy_idx_valid(request->wiphy_idx) && + if (request->wiphy_idx != WIPHY_IDX_INVALID && nla_put_u32(msg, NL80211_ATTR_WIPHY, request->wiphy_idx)) goto nla_put_failure; diff --git a/net/wireless/reg.c b/net/wireless/reg.c index 129586994662..b825c82e5a45 100644 --- a/net/wireless/reg.c +++ b/net/wireless/reg.c @@ -1539,7 +1539,7 @@ static void reg_process_hint(struct regulatory_request *reg_request, BUG_ON(!reg_request->alpha2); - if (wiphy_idx_valid(reg_request->wiphy_idx)) + if (reg_request->wiphy_idx != WIPHY_IDX_INVALID) wiphy = wiphy_idx_to_wiphy(reg_request->wiphy_idx); if (reg_initiator == NL80211_REGDOM_SET_BY_DRIVER && !wiphy) { @@ -1684,7 +1684,7 @@ int regulatory_hint_user(const char *alpha2, if (!request) return -ENOMEM; - request->wiphy_idx = WIPHY_IDX_STALE; + request->wiphy_idx = WIPHY_IDX_INVALID; request->alpha2[0] = alpha2[0]; request->alpha2[1] = alpha2[1]; request->initiator = NL80211_REGDOM_SET_BY_USER; @@ -1709,9 +1709,6 @@ int regulatory_hint(struct wiphy *wiphy, const char *alpha2) request->wiphy_idx = get_wiphy_idx(wiphy); - /* Must have registered wiphy first */ - BUG_ON(!wiphy_idx_valid(request->wiphy_idx)); - request->alpha2[0] = alpha2[0]; request->alpha2[1] = alpha2[1]; request->initiator = NL80211_REGDOM_SET_BY_DRIVER; @@ -1758,9 +1755,8 @@ void regulatory_hint_11d(struct wiphy *wiphy, enum ieee80211_band band, * We leave conflict resolution to the workqueue, where can hold * cfg80211_mutex. */ - if (likely(last_request->initiator == - NL80211_REGDOM_SET_BY_COUNTRY_IE && - wiphy_idx_valid(last_request->wiphy_idx))) + if (last_request->initiator == NL80211_REGDOM_SET_BY_COUNTRY_IE && + last_request->wiphy_idx != WIPHY_IDX_INVALID) goto out; request = kzalloc(sizeof(struct regulatory_request), GFP_KERNEL); @@ -2317,7 +2313,7 @@ void wiphy_regulatory_deregister(struct wiphy *wiphy) if (!request_wiphy || request_wiphy != wiphy) goto out; - last_request->wiphy_idx = WIPHY_IDX_STALE; + last_request->wiphy_idx = WIPHY_IDX_INVALID; last_request->country_ie_env = ENVIRON_ANY; out: mutex_unlock(®_mutex); |
