diff options
| author | Johannes Berg <johannes.berg@intel.com> | 2012-11-07 12:40:41 +0100 |
|---|---|---|
| committer | Johannes Berg <johannes.berg@intel.com> | 2012-11-09 17:34:36 +0100 |
| commit | 6352c87ff69daa2211419ec2c34ddb8bc116c505 (patch) | |
| tree | 046bf42d479243bd8bb70c3c22f43fe1f675afed /net/mac80211/util.c | |
| parent | mac80211: clarify interface iteration and make it configurable (diff) | |
| download | linux-6352c87ff69daa2211419ec2c34ddb8bc116c505.tar.xz linux-6352c87ff69daa2211419ec2c34ddb8bc116c505.zip | |
mac80211: reassign channel contexts before stations
Since channel contexts are usually present before
stations can be added to an interface, reassign
before stations them in reconfiguration as well.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Diffstat (limited to 'net/mac80211/util.c')
| -rw-r--r-- | net/mac80211/util.c | 28 |
1 files changed, 17 insertions, 11 deletions
diff --git a/net/mac80211/util.c b/net/mac80211/util.c index 01b9fa62f3e3..4e4f58513673 100644 --- a/net/mac80211/util.c +++ b/net/mac80211/util.c @@ -1422,6 +1422,23 @@ int ieee80211_reconfig(struct ieee80211_local *local) WARN_ON(drv_add_chanctx(local, ctx)); mutex_unlock(&local->chanctx_mtx); + 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); + } + /* add STAs back */ mutex_lock(&local->sta_mtx); list_for_each_entry(sta, &local->sta_list, list) { @@ -1462,22 +1479,11 @@ int ieee80211_reconfig(struct ieee80211_local *local) /* Finally also reconfigure all the BSS information */ list_for_each_entry(sdata, &local->interfaces, list) { - struct ieee80211_chanctx_conf *ctx_conf; u32 changed; 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); - /* common change flags for all interface types */ changed = BSS_CHANGED_ERP_CTS_PROT | BSS_CHANGED_ERP_PREAMBLE | |