From bcdd49b074d0ea48f54bc6d24a66efab8688b43a Mon Sep 17 00:00:00 2001 From: Dedy Lansky Date: Wed, 8 Mar 2017 13:52:15 +0200 Subject: wil6210: store bss object and use cfg80211_connect_bss() In a fast disconnect/connect sequence, cfg80211_connect_result() can fail to find the bss object which the driver is connecting to. Detailed sequence of events: * Driver is connected in STA mode * Disconnect request arrives from user space. Driver disconnects and calls cfg80211_disconnected() which adds new event to the cfg80211_wq worker thread * Connect request arrives from user space. cfg80211_connect() stores ssid/ssid_len and calls rdev_connect() * __cfg80211_disconnected() runs in worker thread and zero wdev->ssid_len * Connect succeeds. Driver calls cfg80211_connect_result() which fails to find the bss because wdev->ssid_len is zero To overcome this, upon connect request, store the bss object in the driver and upon connect completion pass it to kernel using cfg80211_connect_bss(). Signed-off-by: Dedy Lansky Signed-off-by: Maya Erez Signed-off-by: Kalle Valo --- drivers/net/wireless/ath/wil6210/main.c | 1 + 1 file changed, 1 insertion(+) (limited to 'drivers/net/wireless/ath/wil6210/main.c') diff --git a/drivers/net/wireless/ath/wil6210/main.c b/drivers/net/wireless/ath/wil6210/main.c index dddde94f0356..5d45faca5d51 100644 --- a/drivers/net/wireless/ath/wil6210/main.c +++ b/drivers/net/wireless/ath/wil6210/main.c @@ -284,6 +284,7 @@ static void _wil6210_disconnect(struct wil6210_priv *wil, const u8 *bssid, cfg80211_connect_result(ndev, bssid, NULL, 0, NULL, 0, WLAN_STATUS_UNSPECIFIED_FAILURE, GFP_KERNEL); + wil->bss = NULL; } clear_bit(wil_status_fwconnecting, wil->status); break; -- cgit v1.2.3