2 files changed, 15 insertions, 36 deletions

diff --git a/arch/x86/kvm/svm/sev.c b/arch/x86/kvm/svm/sev.c
index fb854cf20ac3..92d4711fd1e4 100644
--- a/arch/x86/kvm/svm/sev.c
+++ b/arch/x86/kvm/svm/sev.c
@@ -533,17 +533,12 @@ static int sev_bind_asid(struct kvm *kvm, unsigned int handle, int *error)
 
 static int __sev_issue_cmd(int fd, int id, void *data, int *error)
 {
-	struct fd f;
-	int ret;
+	CLASS(fd, f)(fd);
 
-	f = fdget(fd);
-	if (!fd_file(f))
+	if (fd_empty(f))
 		return -EBADF;
 
-	ret = sev_issue_cmd_external_user(fd_file(f), id, data, error);
-
-	fdput(f);
-	return ret;
+	return sev_issue_cmd_external_user(fd_file(f), id, data, error);
 }
 
 static int sev_issue_cmd(struct kvm *kvm, int id, void *data, int *error)
@@ -2076,23 +2071,21 @@ int sev_vm_move_enc_context_from(struct kvm *kvm, unsigned int source_fd)
 {
 	struct kvm_sev_info *dst_sev = &to_kvm_svm(kvm)->sev_info;
 	struct kvm_sev_info *src_sev, *cg_cleanup_sev;
-	struct fd f = fdget(source_fd);
+	CLASS(fd, f)(source_fd);
 	struct kvm *source_kvm;
 	bool charged = false;
 	int ret;
 
-	if (!fd_file(f))
+	if (fd_empty(f))
 		return -EBADF;
 
-	if (!file_is_kvm(fd_file(f))) {
-		ret = -EBADF;
-		goto out_fput;
-	}
+	if (!file_is_kvm(fd_file(f)))
+		return -EBADF;
 
 	source_kvm = fd_file(f)->private_data;
 	ret = sev_lock_two_vms(kvm, source_kvm);
 	if (ret)
-		goto out_fput;
+		return ret;
 
 	if (kvm->arch.vm_type != source_kvm->arch.vm_type ||
 	    sev_guest(kvm) || !sev_guest(source_kvm)) {
@@ -2139,8 +2132,6 @@ out_dst_cgroup:
 	cg_cleanup_sev->misc_cg = NULL;
 out_unlock:
 	sev_unlock_two_vms(kvm, source_kvm);
-out_fput:
-	fdput(f);
 	return ret;
 }
 
@@ -2801,23 +2792,21 @@ failed:
 
 int sev_vm_copy_enc_context_from(struct kvm *kvm, unsigned int source_fd)
 {
-	struct fd f = fdget(source_fd);
+	CLASS(fd, f)(source_fd);
 	struct kvm *source_kvm;
 	struct kvm_sev_info *source_sev, *mirror_sev;
 	int ret;
 
-	if (!fd_file(f))
+	if (fd_empty(f))
 		return -EBADF;
 
-	if (!file_is_kvm(fd_file(f))) {
-		ret = -EBADF;
-		goto e_source_fput;
-	}
+	if (!file_is_kvm(fd_file(f)))
+		return -EBADF;
 
 	source_kvm = fd_file(f)->private_data;
 	ret = sev_lock_two_vms(kvm, source_kvm);
 	if (ret)
-		goto e_source_fput;
+		return ret;
 
 	/*
 	 * Mirrors of mirrors should work, but let's not get silly.  Also
@@ -2860,8 +2849,6 @@ int sev_vm_copy_enc_context_from(struct kvm *kvm, unsigned int source_fd)
 
 e_unlock:
 	sev_unlock_two_vms(kvm, source_kvm);
-e_source_fput:
-	fdput(f);
 	return ret;
 }
 
diff --git a/arch/x86/kvm/xen.c b/arch/x86/kvm/xen.c
index 622fe24da910..a909b817b9c0 100644
--- a/arch/x86/kvm/xen.c
+++ b/arch/x86/kvm/xen.c
@@ -263,13 +263,6 @@ static void kvm_xen_stop_timer(struct kvm_vcpu *vcpu)
 	atomic_set(&vcpu->arch.xen.timer_pending, 0);
 }
 
-static void kvm_xen_init_timer(struct kvm_vcpu *vcpu)
-{
-	hrtimer_init(&vcpu->arch.xen.timer, CLOCK_MONOTONIC,
-		     HRTIMER_MODE_ABS_HARD);
-	vcpu->arch.xen.timer.function = xen_timer_callback;
-}
-
 static void kvm_xen_update_runstate_guest(struct kvm_vcpu *v, bool atomic)
 {
 	struct kvm_vcpu_xen *vx = &v->arch.xen;
@@ -1070,9 +1063,6 @@ int kvm_xen_vcpu_set_attr(struct kvm_vcpu *vcpu, struct kvm_xen_vcpu_attr *data)
 			break;
 		}
 
-		if (!vcpu->arch.xen.timer.function)
-			kvm_xen_init_timer(vcpu);
-
 		/* Stop the timer (if it's running) before changing the vector */
 		kvm_xen_stop_timer(vcpu);
 		vcpu->arch.xen.timer_virq = data->u.timer.port;
@@ -2235,6 +2225,8 @@ void kvm_xen_init_vcpu(struct kvm_vcpu *vcpu)
 	vcpu->arch.xen.poll_evtchn = 0;
 
 	timer_setup(&vcpu->arch.xen.poll_timer, cancel_evtchn_poll, 0);
+	hrtimer_init(&vcpu->arch.xen.timer, CLOCK_MONOTONIC, HRTIMER_MODE_ABS_HARD);
+	vcpu->arch.xen.timer.function = xen_timer_callback;
 
 	kvm_gpc_init(&vcpu->arch.xen.runstate_cache, vcpu->kvm);
 	kvm_gpc_init(&vcpu->arch.xen.runstate2_cache, vcpu->kvm);