cfg80211: sme: deauthenticate on assoc failure

When the in-kernel SME gets an association failure from
the AP we don't deauthenticate, and thus get into a very
confused state which will lead to warnings later on. Fix
this by actually deauthenticating when the AP indicates
an association failure.

(Brought to you by the hacking session at Kernel Summit 2009 in Tokyo,
Japan. -- JWL)

Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

1 files changed, 9 insertions, 0 deletions

diff --git a/net/wireless/mlme.c b/net/wireless/mlme.c
index 79d2eec54cec..0a6b7a0eca6b 100644
--- a/net/wireless/mlme.c
+++ b/net/wireless/mlme.c
@@ -62,6 +62,7 @@ void cfg80211_send_rx_assoc(struct net_device *dev, const u8 *buf, size_t len)
         u8 *ie = mgmt->u.assoc_resp.variable;
         int i, ieoffs = offsetof(struct ieee80211_mgmt, u.assoc_resp.variable);
         struct cfg80211_internal_bss *bss = NULL;
+        bool need_connect_result = true;
 
         wdev_lock(wdev);
 
@@ -94,6 +95,14 @@ void cfg80211_send_rx_assoc(struct net_device *dev, const u8 *buf, size_t len)
                 }
 
                 WARN_ON(!bss);
+        } else if (wdev->conn) {
+                cfg80211_sme_failed_assoc(wdev);
+                need_connect_result = false;
+                /*
+                 * do not call connect_result() now because the
+                 * sme will schedule work that does it later.
+                 */
+                goto out;
         }
 
         if (!wdev->conn && wdev->sme_state == CFG80211_SME_IDLE) {