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qcacld-3.0: Unregister wext interface, on STA interface down

Browse source 
Host registers wext handlers, during STA interface UP. But not
unregistering during interface down, lending user to issue iwpriv
commands though interface is down.

Unregister wext interface, by initializing wireless_handlers to NULL
during interface down.

Change-Id: I839d733595672c8c43e5a085ea5f1e97d98c4c31
CRs-Fixed: 1064023
This commit is contained in:
Hanumanth Reddy Pothula 2016-09-07 20:59:18 +05:30 • committed by qcabuildsw
commit 7a65740e47
1 changed files with 13 additions and 2 deletions
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15
core/hdd/src/wlan_hdd_main.c
View file

@ -2742,10 +2742,21 @@ void hdd_cleanup_actionframe(hdd_context_t *hdd_ctx, hdd_adapter_t *adapter)
* Return: None.
*/
void hdd_station_adapter_deinit(hdd_context_t *hdd_ctx,
hdd_adapter_t *adapter)
hdd_adapter_t *adapter,
bool rtnl_held)
{
ENTER_DEV(adapter->dev);
if (adapter->dev) {
if (rtnl_held)
adapter->dev->wireless_handlers = NULL;
else {
rtnl_lock();
adapter->dev->wireless_handlers = NULL;
rtnl_unlock();
}
}
if (test_bit(INIT_TX_RX_SUCCESS, &adapter->event_flags)) {
hdd_deinit_tx_rx(adapter);
clear_bit(INIT_TX_RX_SUCCESS, &adapter->event_flags);
@ -2798,7 +2809,7 @@ void hdd_deinit_adapter(hdd_context_t *hdd_ctx, hdd_adapter_t *adapter,
case QDF_P2P_CLIENT_MODE:
case QDF_P2P_DEVICE_MODE:
{
hdd_station_adapter_deinit(hdd_ctx, adapter);
hdd_station_adapter_deinit(hdd_ctx, adapter, rtnl_held);
break;
}