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mac80211: merge reconfig assign chanctx code

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Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This commit is contained in:
Stanislaw Gruszka 2013-02-28 10:55:30 +01:00 committed by Johannes Berg
parent 690205f18f
commit 153a5fc410
1 changed files with 22 additions and 25 deletions
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47
net/mac80211/util.c
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@ -1357,6 +1357,25 @@ void ieee80211_stop_device(struct ieee80211_local *local)
drv_stop(local);
}
static void ieee80211_assign_chanctx(struct ieee80211_local *local,
struct ieee80211_sub_if_data *sdata)
{
struct ieee80211_chanctx_conf *conf;
struct ieee80211_chanctx *ctx;
if (!local->use_chanctx)
return;
mutex_lock(&local->chanctx_mtx);
conf = rcu_dereference_protected(sdata->vif.chanctx_conf,
lockdep_is_held(&local->chanctx_mtx));
if (conf) {
ctx = container_of(conf, struct ieee80211_chanctx, conf);
drv_assign_vif_chanctx(local, sdata, ctx);
}
mutex_unlock(&local->chanctx_mtx);
}
int ieee80211_reconfig(struct ieee80211_local *local)
{
struct ieee80211_hw *hw = &local->hw;
@ -1445,36 +1464,14 @@ int ieee80211_reconfig(struct ieee80211_local *local)
}
list_for_each_entry(sdata, &local->interfaces, list) {
struct ieee80211_chanctx_conf *ctx_conf;
if (!ieee80211_sdata_running(sdata))
continue;
mutex_lock(&local->chanctx_mtx);
ctx_conf = rcu_dereference_protected(sdata->vif.chanctx_conf,
lockdep_is_held(&local->chanctx_mtx));
if (ctx_conf) {
ctx = container_of(ctx_conf, struct ieee80211_chanctx,
conf);
drv_assign_vif_chanctx(local, sdata, ctx);
}
mutex_unlock(&local->chanctx_mtx);
ieee80211_assign_chanctx(local, sdata);
}
sdata = rtnl_dereference(local->monitor_sdata);
if (sdata && local->use_chanctx && ieee80211_sdata_running(sdata)) {
struct ieee80211_chanctx_conf *ctx_conf;
mutex_lock(&local->chanctx_mtx);
ctx_conf = rcu_dereference_protected(sdata->vif.chanctx_conf,
lockdep_is_held(&local->chanctx_mtx));
if (ctx_conf) {
ctx = container_of(ctx_conf, struct ieee80211_chanctx,
conf);
drv_assign_vif_chanctx(local, sdata, ctx);
}
mutex_unlock(&local->chanctx_mtx);
}
if (sdata && ieee80211_sdata_running(sdata))
ieee80211_assign_chanctx(local, sdata);
/* add STAs back */
mutex_lock(&local->sta_mtx);