Commit 6352c87f authored by Johannes Berg's avatar Johannes Berg
Browse files

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: default avatarJohannes Berg <johannes.berg@intel.com>
parent 8b2c9824
......@@ -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 |
......
Markdown is supported
0% or .
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment