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authorDavid Hildenbrand <dahi@linux.vnet.ibm.com>2014-05-20 17:25:20 +0200
committerChristian Borntraeger <borntraeger@de.ibm.com>2014-05-30 09:39:38 +0200
commit2de3bfc25ab39109883075a75134c37759fa1b93 (patch)
treed3b624050003529bda3fd72f3390e9fe31905400 /arch/s390
parentKVM: s390: clean up interrupt injection in sigp code (diff)
downloadlinux-2de3bfc25ab39109883075a75134c37759fa1b93.tar.xz
linux-2de3bfc25ab39109883075a75134c37759fa1b93.zip
KVM: s390: check the given debug flags, not the set ones
This patch fixes a minor bug when updating the guest debug settings. We should check the given debug flags, not the already set ones. Doesn't do any harm but too many (for now unused) flags could be set internally without error. Signed-off-by: David Hildenbrand <dahi@linux.vnet.ibm.com> Reviewed-by: Christian Borntraeger <borntraeger@de.ibm.com>
Diffstat (limited to 'arch/s390')
-rw-r--r--arch/s390/kvm/kvm-s390.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/s390/kvm/kvm-s390.c b/arch/s390/kvm/kvm-s390.c
index e519860c6031..06d1888f9179 100644
--- a/arch/s390/kvm/kvm-s390.c
+++ b/arch/s390/kvm/kvm-s390.c
@@ -950,7 +950,7 @@ int kvm_arch_vcpu_ioctl_set_guest_debug(struct kvm_vcpu *vcpu,
vcpu->guest_debug = 0;
kvm_s390_clear_bp_data(vcpu);
- if (vcpu->guest_debug & ~VALID_GUESTDBG_FLAGS)
+ if (dbg->control & ~VALID_GUESTDBG_FLAGS)
return -EINVAL;
if (dbg->control & KVM_GUESTDBG_ENABLE) {