diff options
Diffstat (limited to 'net/wireless')
| -rw-r--r-- | net/wireless/reg.c | 4 | ||||
| -rw-r--r-- | net/wireless/scan.c | 31 |
2 files changed, 23 insertions, 12 deletions
diff --git a/net/wireless/reg.c b/net/wireless/reg.c index 3332d5bce317..ab801a1097b2 100644 --- a/net/wireless/reg.c +++ b/net/wireless/reg.c @@ -809,7 +809,7 @@ static void handle_channel(struct wiphy *wiphy, if (r) { /* * We will disable all channels that do not match our - * recieved regulatory rule unless the hint is coming + * received regulatory rule unless the hint is coming * from a Country IE and the Country IE had no information * about a band. The IEEE 802.11 spec allows for an AP * to send only a subset of the regulatory rules allowed, @@ -838,7 +838,7 @@ static void handle_channel(struct wiphy *wiphy, request_wiphy && request_wiphy == wiphy && request_wiphy->flags & WIPHY_FLAG_STRICT_REGULATORY) { /* - * This gaurantees the driver's requested regulatory domain + * This guarantees the driver's requested regulatory domain * will always be used as a base for further regulatory * settings */ diff --git a/net/wireless/scan.c b/net/wireless/scan.c index ea427f418f64..fbf6f33ae4d0 100644 --- a/net/wireless/scan.c +++ b/net/wireless/scan.c @@ -124,6 +124,15 @@ void cfg80211_bss_age(struct cfg80211_registered_device *dev, } /* must hold dev->bss_lock! */ +static void __cfg80211_unlink_bss(struct cfg80211_registered_device *dev, + struct cfg80211_internal_bss *bss) +{ + list_del_init(&bss->list); + rb_erase(&bss->rbn, &dev->bss_tree); + kref_put(&bss->ref, bss_release); +} + +/* must hold dev->bss_lock! */ void cfg80211_bss_expire(struct cfg80211_registered_device *dev) { struct cfg80211_internal_bss *bss, *tmp; @@ -134,9 +143,7 @@ void cfg80211_bss_expire(struct cfg80211_registered_device *dev) continue; if (!time_after(jiffies, bss->ts + IEEE80211_SCAN_RESULT_EXPIRE)) continue; - list_del(&bss->list); - rb_erase(&bss->rbn, &dev->bss_tree); - kref_put(&bss->ref, bss_release); + __cfg80211_unlink_bss(dev, bss); expired = true; } @@ -585,16 +592,23 @@ cfg80211_inform_bss_frame(struct wiphy *wiphy, struct cfg80211_internal_bss *res; size_t ielen = len - offsetof(struct ieee80211_mgmt, u.probe_resp.variable); - size_t privsz = wiphy->bss_priv_size; + size_t privsz; + + if (WARN_ON(!mgmt)) + return NULL; + + if (WARN_ON(!wiphy)) + return NULL; if (WARN_ON(wiphy->signal_type == CFG80211_SIGNAL_TYPE_UNSPEC && (signal < 0 || signal > 100))) return NULL; - if (WARN_ON(!mgmt || !wiphy || - len < offsetof(struct ieee80211_mgmt, u.probe_resp.variable))) + if (WARN_ON(len < offsetof(struct ieee80211_mgmt, u.probe_resp.variable))) return NULL; + privsz = wiphy->bss_priv_size; + res = kzalloc(sizeof(*res) + privsz + ielen, gfp); if (!res) return NULL; @@ -662,11 +676,8 @@ void cfg80211_unlink_bss(struct wiphy *wiphy, struct cfg80211_bss *pub) spin_lock_bh(&dev->bss_lock); if (!list_empty(&bss->list)) { - list_del_init(&bss->list); + __cfg80211_unlink_bss(dev, bss); dev->bss_generation++; - rb_erase(&bss->rbn, &dev->bss_tree); - - kref_put(&bss->ref, bss_release); } spin_unlock_bh(&dev->bss_lock); } |