rndis_wlan: set current packet filter to zero on stop

Set current packet filter to zero to block receiving data packets from
device.

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

1 files changed, 9 insertions, 1 deletions

diff --git a/drivers/net/wireless/rndis_wlan.c b/drivers/net/wireless/rndis_wlan.c
index bfb9861a0366..974f72497862 100644
--- a/drivers/net/wireless/rndis_wlan.c
+++ b/drivers/net/wireless/rndis_wlan.c
@@ -2530,7 +2530,8 @@ static int rndis_wlan_reset(struct usbnet *usbdev)
         if (retval)
                 devwarn(usbdev, "rndis_reset() failed: %d", retval);
 
-        /* rndis_reset cleared multicast list, so restore here. */
+        /* rndis_reset cleared multicast list, so restore here.
+           (set_multicast_list() also turns on current packet filter) */
         set_multicast_list(usbdev);
 
         queue_delayed_work(priv->workqueue, &priv->stats_work,
@@ -2544,6 +2545,7 @@ static int rndis_wlan_stop(struct usbnet *usbdev)
 {
         struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
         int retval;
+        __le32 filter;
 
         devdbg(usbdev, "rndis_wlan_stop");
 
@@ -2560,6 +2562,12 @@ static int rndis_wlan_stop(struct usbnet *usbdev)
                 priv->scan_request = NULL;
         }
 
+        /* Set current packet filter zero to block receiving data packets from
+           device. */
+        filter = 0;
+        rndis_set_oid(usbdev, OID_GEN_CURRENT_PACKET_FILTER, &filter,
+                                                                sizeof(filter));
+
         return retval;
 }