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qcacld-3.0: Reject scan cmd if ie length greater than max allowed

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Firmware cannot handle scan IE more than a certain size owing to memory
restrictions. Check the scan IE length before passing params to firmware.

Change-Id: I73321a9d4932f4cbb876de904dacecf15c9083ff
CRs-Fixed: 2159363
This commit is contained in:
Naveen Rawat 2017-12-12 17:49:48 -08:00 committed by snandini
parent 247554ce79
commit 7cc925c403
1 changed files with 6 additions and 0 deletions
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6
core/wma/src/wma_scan_roam.c
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@ -202,6 +202,12 @@ QDF_STATUS wma_get_buf_start_scan_cmd(tp_wma_handle wma_handle,
return QDF_STATUS_E_FAILURE;
}
if (scan_req->uIEFieldLen > WLAN_SCAN_PARAMS_MAX_IE_LEN) {
WMA_LOGD(FL("scan_ie_len (%d) greater than max (%d)"),
scan_req->uIEFieldLen, WLAN_SCAN_PARAMS_MAX_IE_LEN);
return QDF_STATUS_E_INVAL;
}
cmd->vdev_id = scan_req->sessionId;
/*
* host cycles through the lower 12 bits for scan id generation