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mac80211: avoid calling useless channel context code 

ieee80211_assign_chanctx() checks if local->use_chanctx is true, so
the two code block related to ieee80211_assign_chanctx() can be moved
into above if clause, emphasize that these code are executed only if
local->use_chanctx is true.

Signed-off-by: Zhao, Gang <gamerh2o@gmail.com>
[change subject]
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
hifive-unleashed-5.1
Zhao, Gang 2014-04-26 09:43:40 +08:00 committed by Johannes Berg
parent 8eca1fb692
commit 7df180f7f1
1 changed files with 9 additions and 9 deletions
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18
net/mac80211/util.c
View File

@ -1565,17 +1565,17 @@ int ieee80211_reconfig(struct ieee80211_local *local)
list_for_each_entry(ctx, &local->chanctx_list, list)
WARN_ON(drv_add_chanctx(local, ctx));
mutex_unlock(&local->chanctx_mtx);
}
list_for_each_entry(sdata, &local->interfaces, list) {
if (!ieee80211_sdata_running(sdata))
continue;
ieee80211_assign_chanctx(local, sdata);
}
list_for_each_entry(sdata, &local->interfaces, list) {
if (!ieee80211_sdata_running(sdata))
continue;
ieee80211_assign_chanctx(local, sdata);
}
sdata = rtnl_dereference(local->monitor_sdata);
if (sdata && ieee80211_sdata_running(sdata))
ieee80211_assign_chanctx(local, sdata);
sdata = rtnl_dereference(local->monitor_sdata);
if (sdata && ieee80211_sdata_running(sdata))
ieee80211_assign_chanctx(local, sdata);
}
/* add STAs back */
mutex_lock(&local->sta_mtx);