kvm: kvm_destroy_vm_debugfs(): check debugfs_stat_data pointer

This make it possible to call kvm_destroy_vm_debugfs() from
kvm_create_vm_debugfs() in error conditions.

Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

1 files changed, 5 insertions, 3 deletions

diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c