s390x/kvm: help valgrind in several places

We need some little help in the code to reduce the valgrind noise.
This patch does this with some designated initializers for the cpu
model features and subfunctions.

Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: David Hildenbrand <david@redhat.com>
Message-Id: <20200429074201.100924-1-borntraeger@de.ibm.com>
Signed-off-by: Cornelia Huck <cohuck@redhat.com>

diff --git a/target/s390x/kvm.c b/target/s390x/kvm.c
index 69881a0..f2f75d2 100644 (file)
--- a/target/s390x/kvm.c
+++ b/target/s390x/kvm.c
@@ -2165,7 +2165,7 @@ int kvm_arch_msi_data_to_gsi(uint32_t data)
 
 static int query_cpu_subfunc(S390FeatBitmap features)
 {
-    struct kvm_s390_vm_cpu_subfunc prop;
+    struct kvm_s390_vm_cpu_subfunc prop = {};
     struct kvm_device_attr attr = {
         .group = KVM_S390_VM_CPU_MODEL,
         .attr = KVM_S390_VM_CPU_MACHINE_SUBFUNC,
@@ -2292,7 +2292,7 @@ static int kvm_to_feat[][2] = {
 
 static int query_cpu_feat(S390FeatBitmap features)
 {
-    struct kvm_s390_vm_cpu_feat prop;
+    struct kvm_s390_vm_cpu_feat prop = {};
     struct kvm_device_attr attr = {
         .group = KVM_S390_VM_CPU_MODEL,
         .attr = KVM_S390_VM_CPU_MACHINE_FEAT,