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authorJohannes Berg <johannes.berg@intel.com>2015-04-13 14:56:51 +0200
committerJohannes Berg <johannes.berg@intel.com>2015-04-20 13:04:39 +0200
commit5eb8f4d74204864d8a4154772206ad747274d12d (patch)
treee6767521c6b1d6609835eee55e54dfb34e0dcf52 /net/mac80211
parent388f997620cb57372c494a194e9698b28cc179b8 (diff)
downloadlinux-5eb8f4d74204864d8a4154772206ad747274d12d.tar.bz2
mac80211: don't warn when stopping VLAN with stations
Stations assigned to an AP_VLAN type interface are flushed when the interface is stopped, but then we warn about it. Suppress the warning since there's nothing else that would ensure those stations are already removed at this point. Reported-by: Jouni Malinen <j@w1.fi> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Diffstat (limited to 'net/mac80211')
-rw-r--r--net/mac80211/iface.c12
1 files changed, 7 insertions, 5 deletions
diff --git a/net/mac80211/iface.c b/net/mac80211/iface.c
index b4ac596a7cb7..bab5c63c0bad 100644
--- a/net/mac80211/iface.c
+++ b/net/mac80211/iface.c
@@ -819,13 +819,15 @@ static void ieee80211_do_stop(struct ieee80211_sub_if_data *sdata,
* (because if we remove a STA after ops->remove_interface()
* the driver will have removed the vif info already!)
*
- * This is relevant only in WDS mode, in all other modes we've
- * already removed all stations when disconnecting or similar,
- * so warn otherwise.
+ * In WDS mode a station must exist here and be flushed, for
+ * AP_VLANs stations may exist since there's nothing else that
+ * would have removed them, but in other modes there shouldn't
+ * be any stations.
*/
flushed = sta_info_flush(sdata);
- WARN_ON_ONCE((sdata->vif.type != NL80211_IFTYPE_WDS && flushed > 0) ||
- (sdata->vif.type == NL80211_IFTYPE_WDS && flushed != 1));
+ WARN_ON_ONCE(sdata->vif.type != NL80211_IFTYPE_AP_VLAN &&
+ ((sdata->vif.type != NL80211_IFTYPE_WDS && flushed > 0) ||
+ (sdata->vif.type == NL80211_IFTYPE_WDS && flushed != 1)));
/* don't count this interface for promisc/allmulti while it is down */
if (sdata->flags & IEEE80211_SDATA_ALLMULTI)