cfg80211: wrap BSS kref

Add inline wrappers for the BSS struct krefs
to be able to extend them easily later.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>

1 files changed, 15 insertions, 5 deletions

diff --git a/net/wireless/scan.c b/net/wireless/scan.c
index 23b7e59c6506..36daacb31788 100644
--- a/net/wireless/scan.c
+++ b/net/wireless/scan.c
@@ -41,6 +41,16 @@ static void bss_release(struct kref *ref)
         kfree(bss);
 }
 
+static inline void bss_ref_get(struct cfg80211_internal_bss *bss)
+{
+        kref_get(&bss->ref);
+}
+
+static inline void bss_ref_put(struct cfg80211_internal_bss *bss)
+{
+        kref_put(&bss->ref, bss_release);
+}
+
 static void __cfg80211_unlink_bss(struct cfg80211_registered_device *dev,
                                   struct cfg80211_internal_bss *bss)
 {
@@ -48,7 +58,7 @@ static void __cfg80211_unlink_bss(struct cfg80211_registered_device *dev,
 
         list_del_init(&bss->list);
         rb_erase(&bss->rbn, &dev->bss_tree);
-        kref_put(&bss->ref, bss_release);
+        bss_ref_put(bss);
 }
 
 static void __cfg80211_bss_expire(struct cfg80211_registered_device *dev,
@@ -456,7 +466,7 @@ struct cfg80211_bss *cfg80211_get_bss(struct wiphy *wiphy,
                         continue;
                 if (is_bss(&bss->pub, bssid, ssid, ssid_len)) {
                         res = bss;
-                        kref_get(&res->ref);
+                        bss_ref_get(res);
                         break;
                 }
         }
@@ -649,7 +659,7 @@ cfg80211_bss_update(struct cfg80211_registered_device *dev,
         dev->bss_generation++;
         spin_unlock_bh(&dev->bss_lock);
 
-        kref_get(&found->ref);
+        bss_ref_get(found);
         return found;
 }
 
@@ -816,7 +826,7 @@ void cfg80211_ref_bss(struct cfg80211_bss *pub)
                 return;
 
         bss = container_of(pub, struct cfg80211_internal_bss, pub);
-        kref_get(&bss->ref);
+        bss_ref_get(bss);
 }
 EXPORT_SYMBOL(cfg80211_ref_bss);
 
@@ -828,7 +838,7 @@ void cfg80211_put_bss(struct cfg80211_bss *pub)
                 return;
 
         bss = container_of(pub, struct cfg80211_internal_bss, pub);
-        kref_put(&bss->ref, bss_release);
+        bss_ref_put(bss);
 }
 EXPORT_SYMBOL(cfg80211_put_bss);