valgrind/i386: avoid false positives on KVM_SET_XCRS ioctl

struct kvm_xcrs contains padding bytes. Let's use a designated
initializer to avoid false positives from valgrind/memcheck.

Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

diff --git a/target-i386/kvm.c b/target-i386/kvm.c
index 3a3dfc4..42f8def 100644 (file)
--- a/target-i386/kvm.c
+++ b/target-i386/kvm.c
@@ -1085,7 +1085,7 @@ static int kvm_put_xsave(X86CPU *cpu)
 static int kvm_put_xcrs(X86CPU *cpu)
 {
     CPUX86State *env = &cpu->env;
-    struct kvm_xcrs xcrs;
+    struct kvm_xcrs xcrs = {};
 
     if (!kvm_has_xcrs()) {
         return 0;