wifi: virt_wifi: Fix page fault on connect

This patch prevents page fault in __cfg80211_connect_result()[1]
when connecting a virt_wifi device, while ensuring that virt_wifi
can connect properly.

[1] https://lore.kernel.org/linux-wireless/[email protected]/

Closes: https://lore.kernel.org/linux-wireless/[email protected]/
Signed-off-by: James Guan <[email protected]>
Link: https://patch.msgid.link/[email protected]
[remove irrelevant network-manager instructions]
Signed-off-by: Johannes Berg <[email protected]>

Author: codeGuanYF

drivers/net/wireless/virtual/virt_wifi.c

@@ -277,7 +277,9 @@ static void virt_wifi_connect_complete(struct work_struct *work)
 		priv->is_connected = true;
 
 	/* Schedules an event that acquires the rtnl lock. */
-	cfg80211_connect_result(priv->upperdev, requested_bss, NULL, 0, NULL, 0,
+	cfg80211_connect_result(priv->upperdev,
+				priv->is_connected ? fake_router_bssid : NULL,
+				NULL, 0, NULL, 0,
 				status, GFP_KERNEL);
 	netif_carrier_on(priv->upperdev);
 }