
In wlan_dcs_wlan_interference_process, reg_tsf_delta >> 8 may be 0 if FW indicates dcs event with invalid tsf. reg_tsf_delta >> 8 is used as divisor later. Check reg_tsf_delta >> 8 in dcs event before using it. Change-Id: I085a262ee2f85fafd3b2c25896c8365cfab75243 CRs-Fixed: 3170047