mac80211: Fix local deauth while associating

Local request to deauthenticate wasn't handled while associating, thus
the association could continue even when the user space required to
disconnect.

Cc: stable@vger.kernel.org
Signed-off-by: Andrei Otcheretianski <andrei.otcheretianski@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>

1 files changed, 19 insertions, 0 deletions

diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c
index ded4b976bb48..73f1a2a0df5a 100644
--- a/net/mac80211/mlme.c
+++ b/net/mac80211/mlme.c
@@ -4936,6 +4936,25 @@ int ieee80211_mgd_deauth(struct ieee80211_sub_if_data *sdata,
                 return 0;
         }
 
+        if (ifmgd->assoc_data &&
+            ether_addr_equal(ifmgd->assoc_data->bss->bssid, req->bssid)) {
+                sdata_info(sdata,
+                           "aborting association with %pM by local choice (Reason: %u=%s)\n",
+                           req->bssid, req->reason_code,
+                           ieee80211_get_reason_code_string(req->reason_code));
+
+                drv_mgd_prepare_tx(sdata->local, sdata);
+                ieee80211_send_deauth_disassoc(sdata, req->bssid,
+                                               IEEE80211_STYPE_DEAUTH,
+                                               req->reason_code, tx,
+                                               frame_buf);
+                ieee80211_destroy_assoc_data(sdata, false);
+                ieee80211_report_disconnect(sdata, frame_buf,
+                                            sizeof(frame_buf), true,
+                                            req->reason_code);
+                return 0;
+        }
+
         if (ifmgd->associated &&
             ether_addr_equal(ifmgd->associated->bssid, req->bssid)) {
                 sdata_info(sdata,