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-rw-r--r--net/wireless/scan.c18
1 files changed, 11 insertions, 7 deletions
diff --git a/net/wireless/scan.c b/net/wireless/scan.c
index 300c11d99997..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;
}
@@ -669,11 +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);
}