qcacld-3.0: Add NULL pointer validation on pmkid received

In wlan_hdd_extauth_copy_pmkid(), pmkid received from userspace
could be NULL. Currently there is no validation for the PMKID.

Add check to validate the received PMKID before copy.

Change-Id: I756458562bf20226a202a5ecdbbe9e79884169c7
CRs-Fixed: 2508935
1 file changed