From: Johannes Berg Date: Thu, 6 Aug 2009 18:41:34 +0000 (+0200) Subject: cfg80211: fix SME association after disassociation X-Git-Tag: upstream/snapshot3+hdmi~17671^2~367^2~120 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=b6f0b639089fb160b10984ac56e07e7043dabad7;p=platform%2Fadaptation%2Frenesas_rcar%2Frenesas_kernel.git cfg80211: fix SME association after disassociation When an AP disassociates us, we currently go into a weird state because the SME doesn't handle authenticated but not associated well unless it's within its own state machine, it can't recover from that. However, it shouldn't need to, since we don't do any decisions in it really -- so when we get disconnected, simply deauthenticate too. Reported-by: Pavel Roskin Signed-off-by: Johannes Berg Signed-off-by: John W. Linville --- diff --git a/net/wireless/sme.c b/net/wireless/sme.c index 8a7dcbf..0b776b7 100644 --- a/net/wireless/sme.c +++ b/net/wireless/sme.c @@ -570,10 +570,30 @@ void __cfg80211_disconnected(struct net_device *dev, const u8 *ie, wdev->ssid_len = 0; if (wdev->conn) { + const u8 *bssid; + int ret; + kfree(wdev->conn->ie); wdev->conn->ie = NULL; kfree(wdev->conn); wdev->conn = NULL; + + /* + * If this disconnect was due to a disassoc, we + * we might still have an auth BSS around. For + * the userspace SME that's currently expected, + * but for the kernel SME (nl80211 CONNECT or + * wireless extensions) we want to clear up all + * state. + */ + for (i = 0; i < MAX_AUTH_BSSES; i++) { + if (!wdev->auth_bsses[i]) + continue; + bssid = wdev->auth_bsses[i]->pub.bssid; + ret = __cfg80211_mlme_deauth(rdev, dev, bssid, NULL, 0, + WLAN_REASON_DEAUTH_LEAVING); + WARN(ret, "deauth failed: %d\n", ret); + } } nl80211_send_disconnected(rdev, dev, reason, ie, ie_len, from_ap);