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authorDavid Hildenbrand <dahi@linux.vnet.ibm.com>2016-05-12 14:07:05 +0200
committerChristian Borntraeger <borntraeger@de.ibm.com>2016-06-10 12:07:30 +0200
commit695be0e7a24a8875c347437566f2c44ba673580b (patch)
tree4347fde126c1dee60dd1bc5317728f0c990430ce /arch/s390/kvm
parent1824c723ac90f9870ebafae4b3b3e5f4b82ffeef (diff)
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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>
Diffstat (limited to 'arch/s390/kvm')
-rw-r--r--arch/s390/kvm/priv.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/s390/kvm/priv.c b/arch/s390/kvm/priv.c
index 752a1ac1aab6..b8327b8fdb8f 100644
--- a/arch/s390/kvm/priv.c
+++ b/arch/s390/kvm/priv.c
@@ -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 */
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