diff options
Diffstat (limited to 'net/mac80211/util.c')
| -rw-r--r-- | net/mac80211/util.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/net/mac80211/util.c b/net/mac80211/util.c index 7f7ddc527baa..b0e3a4248bd5 100644 --- a/net/mac80211/util.c +++ b/net/mac80211/util.c @@ -2151,7 +2151,13 @@ void ieee80211_recalc_smps(struct ieee80211_sub_if_data *sdata) chanctx_conf = rcu_dereference_protected(sdata->vif.chanctx_conf, lockdep_is_held(&local->chanctx_mtx)); - if (WARN_ON_ONCE(!chanctx_conf)) + /* + * This function can be called from a work, thus it may be possible + * that the chanctx_conf is removed (due to a disconnection, for + * example). + * So nothing should be done in such case. + */ + if (!chanctx_conf) goto unlock; chanctx = container_of(chanctx_conf, struct ieee80211_chanctx, conf); |