With the RCU locking here we sleep while in an atomic context,
since we can sleep just use mutex locking for the interface
list instead of RCU. Sorry, seems I didn't get that in my UML
test.
Signed-off-by: Johannes Berg <johannes@xxxxxxxxxxxxxxxx>
---
net/mac80211/ibss.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
--- wireless-testing.orig/net/mac80211/ibss.c 2009-04-21 00:28:44.000000000 +0200
+++ wireless-testing/net/mac80211/ibss.c 2009-04-21 00:28:45.000000000 +0200
@@ -784,14 +784,14 @@ void ieee80211_ibss_notify_scan_complete
{
struct ieee80211_sub_if_data *sdata;
- rcu_read_lock();
- list_for_each_entry_rcu(sdata, &local->interfaces, list) {
+ mutex_lock(&local->iflist_mtx);
+ list_for_each_entry(sdata, &local->interfaces, list) {
if (sdata->vif.type != NL80211_IFTYPE_ADHOC)
continue;
sdata->u.ibss.last_scan_completed = jiffies;
ieee80211_sta_find_ibss(sdata);
}
- rcu_read_unlock();
+ mutex_unlock(&local->iflist_mtx);
}
ieee80211_rx_result
--
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