qcacld-3.0: Check mgmt_rx_params buffer before access

While handling WMI_MGMT_RX_EVENTID FW event, bufp should be checked before
used, because FW may indicate it as NULL.

System does not work when NULL pointer is accessed.

Change-Id: I7f87df93ee31332fa8c804cb2d7fd3a437ddf976
CRs-Fixed: 2465947
1 file changed