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authorEliad Peller <eliad@wizery.com>2015-02-08 12:36:07 +0200
committerJohannes Berg <johannes.berg@intel.com>2015-02-24 10:51:06 +0100
commit104f5a6206f4b3133c675e3d41eca2ca4c41406b (patch)
tree2a540aa4c945e9308bf37903791a8b4fd7d55e45 /net/mac80211/chan.c
parentf2831e2007810b690f93a26128058a193eadf393 (diff)
downloadlinux-sh-104f5a6206f4b3133c675e3d41eca2ca4c41406b.tar.gz
mac80211: clear sdata->radar_required
If ieee80211_vif_use_channel() fails, we have to clear sdata->radar_required (which we might have just set). Failing to do it results in stale radar_required field which prevents starting new scan requests. Reported-by: Jouni Malinen <j@w1.fi> Signed-off-by: Eliad Peller <eliad@wizery.com> [use false instead of 0] Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Diffstat (limited to 'net/mac80211/chan.c')
-rw-r--r--net/mac80211/chan.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/net/mac80211/chan.c b/net/mac80211/chan.c
index ff0d2db09df9..5bcd4e5589d3 100644
--- a/net/mac80211/chan.c
+++ b/net/mac80211/chan.c
@@ -1508,6 +1508,8 @@ static void __ieee80211_vif_release_channel(struct ieee80211_sub_if_data *sdata)
if (ieee80211_chanctx_refcount(local, ctx) == 0)
ieee80211_free_chanctx(local, ctx);
+ sdata->radar_required = false;
+
/* Unreserving may ready an in-place reservation. */
if (use_reserved_switch)
ieee80211_vif_use_reserved_switch(local);
@@ -1566,6 +1568,9 @@ int ieee80211_vif_use_channel(struct ieee80211_sub_if_data *sdata,
ieee80211_recalc_smps_chanctx(local, ctx);
ieee80211_recalc_radar_chanctx(local, ctx);
out:
+ if (ret)
+ sdata->radar_required = false;
+
mutex_unlock(&local->chanctx_mtx);
return ret;
}