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qcacld-3.0: Handle SAP turn-off gracefully during SSR

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There is a possibility of user to turn-off SAP while SSR is
in progress, leading framework to show SAP as turn-off though
SAP is still beaconning, after succsessful SSR.
Changes are done to make sure driver and framework are in sync.

Change-Id: Ic3cd1eebb23482e9cebf04683533face178698b4
CRs-Fixed: 2137646
This commit is contained in:
Hanumanth Reddy Pothula 2017-11-20 21:43:54 +05:30 • committed by snandini
commit 74a97d4ada
1 changed files with 23 additions and 0 deletions
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23
core/hdd/src/wlan_hdd_p2p.c
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@ -605,6 +605,23 @@ struct wireless_dev *__wlan_hdd_add_virtual_intf(struct wiphy *wiphy,
}
}
if (session_type == QDF_SAP_MODE) {
adapter = hdd_get_adapter(hdd_ctx, QDF_SAP_MODE);
if (adapter && test_bit(NET_DEVICE_REGISTERED,
&adapter->event_flags)) {
hdd_debug("iface already registered");
if (adapter->session.ap.beacon) {
qdf_mem_free(adapter->session.ap.beacon);
adapter->session.ap.beacon = NULL;
}
if (adapter->dev && adapter->dev->ieee80211_ptr)
return adapter->dev->ieee80211_ptr;
hdd_err("ieee80211_ptr points to NULL");
return ERR_PTR(-EINVAL);
}
}
adapter = NULL;
if (hdd_ctx->config->isP2pDeviceAddrAdministrated &&
((NL80211_IFTYPE_P2P_GO == type) ||
@ -773,6 +790,12 @@ int __wlan_hdd_del_virtual_intf(struct wiphy *wiphy, struct wireless_dev *wdev)
return -EINVAL;
}
/*
* Clear SOFTAP_INIT_DONE flag to mark SAP unload, so that we do
* not restart SAP after SSR as SAP is already stopped from user space.
*/
clear_bit(SOFTAP_INIT_DONE, &pVirtAdapter->event_flags);
MTRACE(qdf_trace(QDF_MODULE_ID_HDD,
TRACE_CODE_HDD_DEL_VIRTUAL_INTF,
pVirtAdapter->session_id, pVirtAdapter->device_mode));