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authorZhao, Gang <gamerh2o@gmail.com>2014-04-26 09:43:40 +0800
committerJohannes Berg <johannes.berg@intel.com>2014-04-28 17:52:32 +0200
commit7df180f7f19355ba3017f6d6d74c2008b66db43d (patch)
treed77aa63f53e6a3192ad0c6f6f63ebc5411687328 /net/mac80211
parent8eca1fb692cc9557f386eddce75c300a3855d11a (diff)
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>
Diffstat (limited to 'net/mac80211')
-rw-r--r--net/mac80211/util.c18
1 files changed, 9 insertions, 9 deletions
diff --git a/net/mac80211/util.c b/net/mac80211/util.c
index 7a376f826cf8..cafbae701d3d 100644
--- a/net/mac80211/util.c
+++ b/net/mac80211/util.c
@@ -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);