[PATCH 10/12] mac80211: change return value of notifier function

["Zhao, Gang" <gamerh2o@xxxxxxxxx>]

Return NOTIFY_DONE if we don't care this time's notification, return
NOTIFY_OK if we successfully handled this time's notification. That's
the formal way to do it.

Signed-off-by: Zhao, Gang <gamerh2o@xxxxxxxxx>
---
 net/mac80211/iface.c | 11 +++++------
 net/mac80211/main.c  |  4 ++--
 net/mac80211/mlme.c  |  2 +-
 3 files changed, 8 insertions(+), 9 deletions(-)

diff --git a/net/mac80211/iface.c b/net/mac80211/iface.c
index 90b6063..4da6c71 100644
--- a/net/mac80211/iface.c
+++ b/net/mac80211/iface.c
@@ -1785,20 +1785,19 @@ static int netdev_notify(struct notifier_block *nb,
 	struct ieee80211_sub_if_data *sdata;
 
 	if (state != NETDEV_CHANGENAME)
-		return 0;
+		return NOTIFY_DONE;
 
 	if (!dev->ieee80211_ptr || !dev->ieee80211_ptr->wiphy)
-		return 0;
+		return NOTIFY_DONE;
 
 	if (dev->ieee80211_ptr->wiphy->privid != mac80211_wiphy_privid)
-		return 0;
+		return NOTIFY_DONE;
 
 	sdata = IEEE80211_DEV_TO_SUB_IF(dev);
-
 	memcpy(sdata->name, dev->name, IFNAMSIZ);
-
 	ieee80211_debugfs_rename_netdev(sdata);
-	return 0;
+
+	return NOTIFY_OK;
 }
 
 static struct notifier_block mac80211_netdev_notifier = {
diff --git a/net/mac80211/main.c b/net/mac80211/main.c
index b83a913..4762711 100644
--- a/net/mac80211/main.c
+++ b/net/mac80211/main.c
@@ -338,7 +338,7 @@ static int ieee80211_ifa_changed(struct notifier_block *nb,
 
 	sdata_unlock(sdata);
 
-	return NOTIFY_DONE;
+	return NOTIFY_OK;
 }
 #endif
 
@@ -369,7 +369,7 @@ static int ieee80211_ifa6_changed(struct notifier_block *nb,
 
 	drv_ipv6_addr_change(local, sdata, idev);
 
-	return NOTIFY_DONE;
+	return NOTIFY_OK;
 }
 #endif
 
diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c
index 1e1bdd2..66047cd 100644
--- a/net/mac80211/mlme.c
+++ b/net/mac80211/mlme.c
@@ -3701,7 +3701,7 @@ int ieee80211_max_network_latency(struct notifier_block *nb,
 	ieee80211_recalc_ps(local, latency_usec);
 	mutex_unlock(&local->iflist_mtx);
 
-	return 0;
+	return NOTIFY_OK;
 }
 
 static u8 ieee80211_ht_vht_rx_chains(struct ieee80211_sub_if_data *sdata,
-- 
1.9.0

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