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Diffstat (limited to 'net/mac80211/cfg.c')
-rw-r--r--net/mac80211/cfg.c22
1 files changed, 22 insertions, 0 deletions
diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c
index 93d203c..9a97457 100644
--- a/net/mac80211/cfg.c
+++ b/net/mac80211/cfg.c
@@ -2305,6 +2305,21 @@ static int ieee80211_cancel_roc(struct ieee80211_local *local,
mutex_lock(&local->mtx);
list_for_each_entry_safe(roc, tmp, &local->roc_list, list) {
+ struct ieee80211_roc_work *dep, *tmp2;
+
+ list_for_each_entry_safe(dep, tmp2, &roc->dependents, list) {
+ if (!mgmt_tx && (unsigned long)dep != cookie)
+ continue;
+ else if (mgmt_tx && dep->mgmt_tx_cookie != cookie)
+ continue;
+ /* found dependent item -- just remove it */
+ list_del(&dep->list);
+ mutex_unlock(&local->mtx);
+
+ ieee80211_roc_notify_destroy(dep);
+ return 0;
+ }
+
if (!mgmt_tx && (unsigned long)roc != cookie)
continue;
else if (mgmt_tx && roc->mgmt_tx_cookie != cookie)
@@ -2319,6 +2334,13 @@ static int ieee80211_cancel_roc(struct ieee80211_local *local,
return -ENOENT;
}
+ /*
+ * We found the item to cancel, so do that. Note that it
+ * may have dependents, which we also cancel (and send
+ * the expired signal for.) Not doing so would be quite
+ * tricky here, but we may need to fix it later.
+ */
+
if (local->ops->remain_on_channel) {
if (found->started) {
ret = drv_cancel_remain_on_channel(local);
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