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qcacmn: Fix MBSSID scan IE parse failure

Browse source 
Failed to generate Non-Tx BSS scan entry due
to corrupted non-tx beacon IE.

Fix the sequence of fields need to be copied to generate
the new non-tx scan entry.

Change-Id: I6ed8773fb0efe6193c954f4963c364b9d8bf1960
CRs-Fixed: 2386423
This commit is contained in:
Sandeep Puligilla 2019-01-23 13:54:38 -08:00 • committed by nshrivas
commit da4a452492
1 changed files with 14 additions and 7 deletions
Download patch file Download diff file Expand all files Collapse all files

21
umac/scan/dispatcher/src/wlan_scan_utils_api.c
View file

@ -1366,8 +1366,15 @@ static QDF_STATUS util_scan_parse_mbssid(struct wlan_objmgr_pdev *pdev,
*/
qdf_mem_copy(new_frame, frame, 36);
/* Copy the new ie generated from MBSSID profile*/
hdr = (struct wlan_frame_hdr *)new_frame;
qdf_mem_copy(hdr->i_addr2, new_bssid,
QDF_MAC_ADDR_SIZE);
qdf_mem_copy(hdr->i_addr3, new_bssid,
QDF_MAC_ADDR_SIZE);
/* Copy the new ie generated from MBSSID profile*/
qdf_mem_copy(new_frame +
offsetof(struct wlan_bcn_frame, ie),
offsetof(struct wlan_bcn_frame, ie) +
sizeof(struct wlan_frame_hdr),
new_ie, new_ie_len);
status = util_scan_gen_scan_entry(pdev, new_frame,
new_frame_len,
@ -1395,8 +1402,7 @@ static QDF_STATUS util_scan_parse_mbssid(struct wlan_objmgr_pdev *pdev,
struct mgmt_rx_event_params *rx_param,
qdf_list_t *scan_list)
{
return util_scan_gen_scan_entry(pdev, frame, frame_len,
frm_subtype, rx_param, scan_list);
return QDF_STATUS_SUCCESS;
}
#endif
@ -1418,6 +1424,10 @@ util_scan_parse_beacon_frame(struct wlan_objmgr_pdev *pdev,
sizeof(struct wlan_frame_hdr) -
offsetof(struct wlan_bcn_frame, ie));
status = util_scan_gen_scan_entry(pdev, frame, frame_len,
frm_subtype, rx_param,
scan_list);
/*
* IF MBSSID IE is present in the beacon then
* scan component will create a new entry for
@ -1428,10 +1438,7 @@ util_scan_parse_beacon_frame(struct wlan_objmgr_pdev *pdev,
status = util_scan_parse_mbssid(pdev, frame, frame_len,
frm_subtype, rx_param,
scan_list);
else
status = util_scan_gen_scan_entry(pdev, frame, frame_len,
frm_subtype, rx_param,
scan_list);
if (QDF_IS_STATUS_ERROR(status)) {
scm_err_rl("Failed to create a scan entry");
}