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Diffstat (limited to 'net/mac80211/scan.c')
-rw-r--r--net/mac80211/scan.c11
1 files changed, 7 insertions, 4 deletions
diff --git a/net/mac80211/scan.c b/net/mac80211/scan.c
index fa8ddf576bc1..c4f2aeb31da3 100644
--- a/net/mac80211/scan.c
+++ b/net/mac80211/scan.c
@@ -469,16 +469,19 @@ static void __ieee80211_scan_completed(struct ieee80211_hw *hw, bool aborted)
scan_req = rcu_dereference_protected(local->scan_req,
lockdep_is_held(&local->mtx));
- if (scan_req != local->int_scan_req) {
- local->scan_info.aborted = aborted;
- cfg80211_scan_done(scan_req, &local->scan_info);
- }
RCU_INIT_POINTER(local->scan_req, NULL);
RCU_INIT_POINTER(local->scan_sdata, NULL);
local->scanning = 0;
local->scan_chandef.chan = NULL;
+ synchronize_rcu();
+
+ if (scan_req != local->int_scan_req) {
+ local->scan_info.aborted = aborted;
+ cfg80211_scan_done(scan_req, &local->scan_info);
+ }
+
/* Set power back to normal operating levels. */
ieee80211_hw_config(local, 0);