diff mbox series

[PULL,13/36] i386/kvm: initialize struct at full before ioctl call

Message ID 1566284395-30287-14-git-send-email-pbonzini@redhat.com
State New
Headers show
Series [PULL,01/36] kvm: i386: halt poll control MSR support | expand

Commit Message

Paolo Bonzini Aug. 20, 2019, 6:59 a.m. UTC 
From: Andrey Shinkevich <andrey.shinkevich@virtuozzo.com>

Not the whole structure is initialized before passing it to the KVM.
Reduce the number of Valgrind reports.

Signed-off-by: Andrey Shinkevich <andrey.shinkevich@virtuozzo.com>
Message-Id: <1564502498-805893-4-git-send-email-andrey.shinkevich@virtuozzo.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
---
 target/i386/kvm.c | 3 +++
 1 file changed, 3 insertions(+)
diff mbox series

Patch

diff --git a/target/i386/kvm.c b/target/i386/kvm.c
index a66b956..ce3f1c3 100644
--- a/target/i386/kvm.c
+++ b/target/i386/kvm.c
@@ -190,6 +190,7 @@  static int kvm_get_tsc(CPUState *cs)
         return 0;
     }
 
+    memset(&msr_data, 0, sizeof(msr_data));
     msr_data.info.nmsrs = 1;
     msr_data.entries[0].index = MSR_IA32_TSC;
     env->tsc_valid = !runstate_is_running();
@@ -1706,6 +1707,7 @@  int kvm_arch_init_vcpu(CPUState *cs)
 
     if (has_xsave) {
         env->xsave_buf = qemu_memalign(4096, sizeof(struct kvm_xsave));
+        memset(env->xsave_buf, 0, sizeof(struct kvm_xsave));
     }
 
     max_nested_state_len = kvm_max_nested_state_length();
@@ -3488,6 +3490,7 @@  static int kvm_put_debugregs(X86CPU *cpu)
         return 0;
     }
 
+    memset(&dbgregs, 0, sizeof(dbgregs));
     for (i = 0; i < 4; i++) {
         dbgregs.db[i] = env->dr[i];
     }