aboutsummaryrefslogtreecommitdiff
path: root/net/mac80211/sta_info.c
diff options
context:
space:
mode:
Diffstat (limited to 'net/mac80211/sta_info.c')
-rw-r--r--net/mac80211/sta_info.c13
1 files changed, 11 insertions, 2 deletions
diff --git a/net/mac80211/sta_info.c b/net/mac80211/sta_info.c
index 3644ad79688..85458a28ffa 100644
--- a/net/mac80211/sta_info.c
+++ b/net/mac80211/sta_info.c
@@ -771,6 +771,7 @@ int __must_check __sta_info_destroy(struct sta_info *sta)
struct ieee80211_local *local;
struct ieee80211_sub_if_data *sdata;
int ret, i;
+ bool have_key = false;
might_sleep();
@@ -798,14 +799,22 @@ int __must_check __sta_info_destroy(struct sta_info *sta)
list_del_rcu(&sta->list);
mutex_lock(&local->key_mtx);
- for (i = 0; i < NUM_DEFAULT_KEYS; i++)
+ for (i = 0; i < NUM_DEFAULT_KEYS; i++) {
__ieee80211_key_free(key_mtx_dereference(local, sta->gtk[i]),
true);
- if (sta->ptk)
+ have_key = true;
+ }
+ if (sta->ptk) {
__ieee80211_key_free(key_mtx_dereference(local, sta->ptk),
true);
+ have_key = true;
+ }
+
mutex_unlock(&local->key_mtx);
+ if (!have_key)
+ synchronize_net();
+
sta->dead = true;
local->num_sta--;