rndis_wlan: update carrier flag when link state changes

Driver wasn't updating netif_carrier on link state changes but assumed
link layer was always up.

Signed-off-by: Jussi Kivilinna <jussi.kivilinna@mbnet.fi>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

1 files changed, 5 insertions, 0 deletions

diff --git a/drivers/net/wireless/rndis_wlan.c b/drivers/net/wireless/rndis_wlan.c
index aaeeec803974..c281c0b35ed4 100644
--- a/drivers/net/wireless/rndis_wlan.c
+++ b/drivers/net/wireless/rndis_wlan.c
@@ -2215,6 +2215,8 @@ static void rndis_wext_worker(struct work_struct *work)
         int ret, offset;
 
         if (test_and_clear_bit(WORK_LINK_UP, &priv->work_pending)) {
+                netif_carrier_on(usbdev->net);
+
                 info = kzalloc(assoc_size, GFP_KERNEL);
                 if (!info)
                         goto get_bssid;
@@ -2253,6 +2255,8 @@ get_bssid:
         }
 
         if (test_and_clear_bit(WORK_LINK_DOWN, &priv->work_pending)) {
+                netif_carrier_off(usbdev->net);
+
                 evt.data.flags = 0;
                 evt.data.length = 0;
                 memset(evt.ap_addr.sa_data, 0, ETH_ALEN);
@@ -2574,6 +2578,7 @@ static int rndis_wext_bind(struct usbnet *dev, struct usb_interface *intf)
         /* turn radio on */
         priv->radio_on = 1;
         disassociate(dev, 1);
+        netif_carrier_off(dev->net);
 
         /* because rndis_command() sleeps we need to use workqueue */
         priv->workqueue = create_singlethread_workqueue("rndis_wlan");