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| author | David Hildenbrand <dahi@linux.vnet.ibm.com> | 2016-05-12 14:07:05 +0200 |
|---|---|---|
| committer | Christian Borntraeger <borntraeger@de.ibm.com> | 2016-06-10 12:07:30 +0200 |
| commit | 695be0e7a24a8875c347437566f2c44ba673580b (patch) | |
| tree | 4347fde126c1dee60dd1bc5317728f0c990430ce /arch/s390/kvm/priv.c | |
| parent | KVM: s390: pfmf: support conditional-sske facility (diff) | |
| download | linux-695be0e7a24a8875c347437566f2c44ba673580b.tar.xz linux-695be0e7a24a8875c347437566f2c44ba673580b.zip | |
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/priv.c')
| -rw-r--r-- | arch/s390/kvm/priv.c | 2 |
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 */ |