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charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-MS-Exchange-CrossTenant-Network-Message-Id: 6edd0b62-f940-427c-cf1d-08d68b39c0de X-MS-Exchange-CrossTenant-originalarrivaltime: 05 Feb 2019 07:15:46.5164 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-id: 3f4057f3-b418-4d4e-ba84-d55b4e897d88 X-MS-Exchange-Transport-CrossTenantHeadersStamped: BYAPR11MB2984 X-OriginatorOrg: microchip.com Sender: linux-wireless-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org From: Ajay Singh Before calling an operation on net_device check if that interface is available. Signed-off-by: Ajay Singh --- drivers/staging/wilc1000/linux_wlan.c | 12 ++++++++---- 1 file changed, 8 insertions(+), 4 deletions(-) diff --git a/drivers/staging/wilc1000/linux_wlan.c b/drivers/staging/wilc10= 00/linux_wlan.c index 56272b3..f096f9e 100644 --- a/drivers/staging/wilc1000/linux_wlan.c +++ b/drivers/staging/wilc1000/linux_wlan.c @@ -159,9 +159,11 @@ static int linux_wlan_txq_task(void *vp) do { ret =3D wilc_wlan_handle_txq(dev, &txq_count); if (txq_count < FLOW_CONTROL_LOWER_THRESHOLD) { - if (netif_queue_stopped(wl->vif[0]->ndev)) + if (wl->vif[0]->mac_opened && + netif_queue_stopped(wl->vif[0]->ndev)) netif_wake_queue(wl->vif[0]->ndev); - if (netif_queue_stopped(wl->vif[1]->ndev)) + if (wl->vif[1]->mac_opened && + netif_queue_stopped(wl->vif[1]->ndev)) netif_wake_queue(wl->vif[1]->ndev); } } while (ret =3D=3D -ENOBUFS && !wl->close); @@ -761,8 +763,10 @@ netdev_tx_t wilc_mac_xmit(struct sk_buff *skb, struct = net_device *ndev) linux_wlan_tx_complete); =20 if (queue_count > FLOW_CONTROL_UPPER_THRESHOLD) { - netif_stop_queue(wilc->vif[0]->ndev); - netif_stop_queue(wilc->vif[1]->ndev); + if (wilc->vif[0]->mac_opened) + netif_stop_queue(wilc->vif[0]->ndev); + if (wilc->vif[1]->mac_opened) + netif_stop_queue(wilc->vif[1]->ndev); } =20 return 0; --=20 2.7.4