On Mon, 20 Nov 2017 13:35:24 +0100 Christian Borntraeger <borntrae...@de.ibm.com> wrote:
> valgrind pointed out that we call KVM_S390_GET_IRQ_STATE with an > undefined value for flags. Right now this is unused, but we > better play safe. > > Signed-off-by: Christian Borntraeger <borntrae...@de.ibm.com> > --- > target/s390x/kvm.c | 8 ++++---- > 1 file changed, 4 insertions(+), 4 deletions(-) > > diff --git a/target/s390x/kvm.c b/target/s390x/kvm.c > index 343fcec..b0439a1 100644 > --- a/target/s390x/kvm.c > +++ b/target/s390x/kvm.c > @@ -2069,7 +2069,10 @@ int kvm_s390_set_cpu_state(S390CPU *cpu, uint8_t > cpu_state) > > void kvm_s390_vcpu_interrupt_pre_save(S390CPU *cpu) > { > - struct kvm_s390_irq_state irq_state; > + struct kvm_s390_irq_state irq_state = { > + .buf = (uint64_t) cpu->irqstate, > + .len = VCPU_IRQ_BUF_SIZE, > + }; > CPUState *cs = CPU(cpu); > int32_t bytes; > > @@ -2077,9 +2080,6 @@ void kvm_s390_vcpu_interrupt_pre_save(S390CPU *cpu) > return; > } > > - irq_state.buf = (uint64_t) cpu->irqstate; > - irq_state.len = VCPU_IRQ_BUF_SIZE; > - > bytes = kvm_vcpu_ioctl(cs, KVM_S390_GET_IRQ_STATE, &irq_state); > if (bytes < 0) { > cpu->irqstate_saved_size = 0; I'm wondering why it does not also complain for KVM_S390_SET_IRQ_STATE? It would make sense to use a struct initializer there as well.