iwqp->allocated_buffer is a self-referencing pointer to iwqp.
Do not set iwqp->allocated_buffer to NULL after freeing it.
Signed-off-by: NMustafa Ismail <mustafa.ismail@intel.com>
Signed-off-by: NFaisal Latif <faisal.latif@intel.com>
Signed-off-by: NDoug Ledford <dledford@redhat.com>