Assure a GISA is in use before accessing the IPM to avoid a
null pointer dereference issue.
Signed-off-by: NMichael Mueller <mimu@linux.ibm.com>
Reported-by: NHalil Pasic <pasic@linux.ibm.com>
Reviewed-by: NPierre Morel <pmorel@linux.ibm.com>
Reviewed-by: NCornelia Huck <cohuck@redhat.com>
Message-Id: <20190131085247.13826-16-mimu@linux.ibm.com>
Signed-off-by: NChristian Borntraeger <borntraeger@de.ibm.com>