wlan: Avoid possible stack overflow in hdd_ProcessGENIE API

There is no check for the return value of dot11fUnpackIeRSN API
in hdd_ProcessGENIE API, which may cause stack overflow if
pmkid_count is returned as more than the PMKIDCache size.

Add a check for return value of dot11fUnpackIeRSN to avoid possible
stack overflow.

Issue: SEC-1128
Change-Id: I94a8e7e96a178fb8e95624aa35c0b0c669f4314b
CRs-Fixed: 2143847
Signed-off-by: Gururaj Patil <gururaj.patil3@harman.com>
1 file changed