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qcacmn: Handle DFS AP's in scan result

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if gEnableDFSChnlScan is zero and scan channel list
contains only DFS channel, all DFS channels are
skipped and thus number of channel become zero.
When scan req is sent to firmware with zero
channel, it scan all valid channels which contain
DFS channels as well.With gEnableDFSChnlScan set to
zero, no DFS channels should be scanned.

Fix is to reject the scan request if number of
channels become zero after filtering invalid
channels.

Change-Id: Ife5c0f0e3173197b43809f63ca95281d815a2c3c
CRs-Fixed: 2419126
This commit is contained in:
sheenam monga 2019-03-27 15:26:21 +05:30 • committed by nshrivas
commit bd70fd0a52
1 changed files with 8 additions and 0 deletions
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8
umac/scan/core/src/wlan_scan_manager.c
View file

@ -992,8 +992,16 @@ scm_scan_start_req(struct scheduler_msg *msg)
}
scm_scan_req_update_params(req->vdev, req, scan_obj);
if (!req->scan_req.chan_list.num_chan) {
scm_err("Scan Aborted, 0 channel to scan");
status = QDF_STATUS_E_NULL_VALUE;
goto err;
}
scm_info("request to scan %d channels",
req->scan_req.chan_list.num_chan);
for (idx = 0; idx < req->scan_req.chan_list.num_chan; idx++)
scm_debug("chan[%d]: freq:%d, phymode:%d", idx,
req->scan_req.chan_list.chan[idx].freq,