KVM: s390: fix possible null pointer dereference in pending_irqs()

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Assure a GISA is in use before accessing the IPM to avoid a
null pointer dereference issue.

Signed-off-by: Michael Mueller <mimu@linux.ibm.com>
Reported-by: Halil Pasic <pasic@linux.ibm.com>
Reviewed-by: Pierre Morel <pmorel@linux.ibm.com>
Reviewed-by: Cornelia Huck <cohuck@redhat.com>
Message-Id: <20190131085247.13826-16-mimu@linux.ibm.com>
Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>

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Michael Mueller 2019-01-31 09:52:46 +01:00 • committed by Christian Borntraeger

parent b1d1e76ed9

commit b9fa6d6ee9

1 changed files with 7 additions and 3 deletions

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arch/s390/kvm/interrupt.c

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