cfg80211: deauth doesn't always imply disconnect

When an AP sends a deauth frame, or we send one
to an AP, that only means we lost our connection
if we were actually connected to that AP. Check
this to avoid sending spurious "disconnected"
events and breaking "iw ... link" reporting.

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

diff --git a/net/wireless/mlme.c b/net/wireless/mlme.c
index d1a3fb99fdf2caaa83e5b476dd3166c18f436161..ee0af32ed59e2815e704a20aa2ed9ddd4b24c0ed 100644 (file)
--- a/net/wireless/mlme.c
+++ b/net/wireless/mlme.c
@@ -149,7 +149,7 @@ void __cfg80211_send_deauth(struct net_device *dev,
        struct ieee80211_mgmt *mgmt = (struct ieee80211_mgmt *)buf;
        const u8 *bssid = mgmt->bssid;
        int i;
-       bool found = false;
+       bool found = false, was_current = false;
 
        ASSERT_WDEV_LOCK(wdev);
 
@@ -159,6 +159,7 @@ void __cfg80211_send_deauth(struct net_device *dev,
                cfg80211_put_bss(&wdev->current_bss->pub);
                wdev->current_bss = NULL;
                found = true;
+               was_current = true;
        } else for (i = 0; i < MAX_AUTH_BSSES; i++) {
                if (wdev->auth_bsses[i] &&
                    memcmp(wdev->auth_bsses[i]->pub.bssid, bssid, ETH_ALEN) == 0) {
@@ -183,7 +184,7 @@ void __cfg80211_send_deauth(struct net_device *dev,
 
        nl80211_send_deauth(rdev, dev, buf, len, GFP_KERNEL);
 
-       if (wdev->sme_state == CFG80211_SME_CONNECTED) {
+       if (wdev->sme_state == CFG80211_SME_CONNECTED && was_current) {
                u16 reason_code;
                bool from_ap;