From: Johannes Berg <johannes.berg@intel.com>
Date: Wed, 4 Dec 2013 19:25:27 +0000 (+0100)
Subject: mac80211: warn if unhashing station fails
X-Git-Tag: v3.14-rc1~94^2~3^2^2~211
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=b01711be4bff93d16ac921350d2ada1a60ecc160;p=profile%2Fivi%2Fkernel-x86-ivi.git

mac80211: warn if unhashing station fails

This shouldn't be happening, so warn if it does, since we'd
then leak a station entry.

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

diff --git a/net/mac80211/sta_info.c b/net/mac80211/sta_info.c
index 8ed97f7..8ae37f6 100644
--- a/net/mac80211/sta_info.c
+++ b/net/mac80211/sta_info.c
@@ -868,7 +868,7 @@ int __must_check __sta_info_destroy(struct sta_info *sta)
 	ieee80211_sta_tear_down_BA_sessions(sta, AGG_STOP_DESTROY_STA);
 
 	ret = sta_info_hash_del(local, sta);
-	if (ret)
+	if (WARN_ON(ret))
 		return ret;
 
 	list_del_rcu(&sta->list);