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-rw-r--r--net/mac80211/offchannel.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/net/mac80211/offchannel.c b/net/mac80211/offchannel.c
index cfd3356e26fd..6719b27aad66 100644
--- a/net/mac80211/offchannel.c
+++ b/net/mac80211/offchannel.c
@@ -697,6 +697,9 @@ static int ieee80211_cancel_roc(struct ieee80211_local *local,
struct ieee80211_roc_work *roc, *tmp, *found = NULL;
int ret;
+ if (!cookie)
+ return -ENOENT;
+
mutex_lock(&local->mtx);
list_for_each_entry_safe(roc, tmp, &local->roc_list, list) {
if (!mgmt_tx && roc->cookie != cookie)