Commit 695be0e7 authored May 12, 2016 by David Hildenbrand Committed by Christian Borntraeger Jun 10, 2016

KVM: s390: pfmf: handle address overflows



In theory, end could always end up being < start, if overflowing to 0.
Although very unlikely for now, let's just fix it.

Reviewed-by: Christian Borntraeger <borntraeger@de.ibm.com>
Signed-off-by: David Hildenbrand <dahi@linux.vnet.ibm.com>
Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>

parent 1824c723

arch/s390/kvm/priv.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -715,7 +715,7 @@ static int handle_pfmf(struct kvm_vcpu *vcpu)
		return kvm_s390_inject_program_int(vcpu, PGM_SPECIFICATION);
		}

		while (start < end) {
		while (start != end) {
		unsigned long useraddr;

		/* Translate guest address to host address */