2 files changed, 11 insertions, 13 deletions

diff --git a/hw/virtio/vhost-user.c b/hw/virtio/vhost-user.c
index aec6cc1990..2407836fac 100644
--- a/hw/virtio/vhost-user.c
+++ b/hw/virtio/vhost-user.c
@@ -1876,6 +1876,7 @@ static int vhost_user_backend_init(struct vhost_dev *dev, void *opaque,
 
     err = vhost_user_get_features(dev, &features);
     if (err < 0) {
+        error_setg_errno(errp, -err, "vhost_backend_init failed");
         return err;
     }
 
@@ -1885,6 +1886,7 @@ static int vhost_user_backend_init(struct vhost_dev *dev, void *opaque,
         err = vhost_user_get_u64(dev, VHOST_USER_GET_PROTOCOL_FEATURES,
                                  &protocol_features);
         if (err < 0) {
+            error_setg_errno(errp, EPROTO, "vhost_backend_init failed");
             return -EPROTO;
         }
 
@@ -1903,6 +1905,7 @@ static int vhost_user_backend_init(struct vhost_dev *dev, void *opaque,
 
         err = vhost_user_set_protocol_features(dev, dev->protocol_features);
         if (err < 0) {
+            error_setg_errno(errp, EPROTO, "vhost_backend_init failed");
             return -EPROTO;
         }
 
@@ -1911,6 +1914,7 @@ static int vhost_user_backend_init(struct vhost_dev *dev, void *opaque,
             err = vhost_user_get_u64(dev, VHOST_USER_GET_QUEUE_NUM,
                                      &dev->max_queues);
             if (err < 0) {
+                error_setg_errno(errp, EPROTO, "vhost_backend_init failed");
                 return -EPROTO;
             }
         } else {
@@ -1940,6 +1944,7 @@ static int vhost_user_backend_init(struct vhost_dev *dev, void *opaque,
         } else {
             err = vhost_user_get_max_memslots(dev, &ram_slots);
             if (err < 0) {
+                error_setg_errno(errp, EPROTO, "vhost_backend_init failed");
                 return -EPROTO;
             }
 
@@ -1966,6 +1971,7 @@ static int vhost_user_backend_init(struct vhost_dev *dev, void *opaque,
     if (dev->vq_index == 0) {
         err = vhost_setup_slave_channel(dev);
         if (err < 0) {
+            error_setg_errno(errp, EPROTO, "vhost_backend_init failed");
             return -EPROTO;
         }
     }
@@ -2139,10 +2145,12 @@ static int vhost_user_get_config(struct vhost_dev *dev, uint8_t *config,
     msg.payload.config.offset = 0;
     msg.payload.config.size = config_len;
     if (vhost_user_write(dev, &msg, NULL, 0) < 0) {
+        error_setg_errno(errp, EPROTO, "vhost_get_config failed");
         return -EPROTO;
     }
 
     if (vhost_user_read(dev, &msg) < 0) {
+        error_setg_errno(errp, EPROTO, "vhost_get_config failed");
         return -EPROTO;
     }
 
diff --git a/hw/virtio/vhost.c b/hw/virtio/vhost.c
index e8f85a5d2d..3c0b537f89 100644
--- a/hw/virtio/vhost.c
+++ b/hw/virtio/vhost.c
@@ -1289,7 +1289,6 @@ int vhost_dev_init(struct vhost_dev *hdev, void *opaque,
                    VhostBackendType backend_type, uint32_t busyloop_timeout,
                    Error **errp)
 {
-    ERRP_GUARD();
     uint64_t features;
     int i, r, n_initialized_vqs = 0;
 
@@ -1301,9 +1300,6 @@ int vhost_dev_init(struct vhost_dev *hdev, void *opaque,
 
     r = hdev->vhost_ops->vhost_backend_init(hdev, opaque, errp);
     if (r < 0) {
-        if (!*errp) {
-            error_setg_errno(errp, -r, "vhost_backend_init failed");
-        }
         goto fail;
     }
 
@@ -1372,7 +1368,7 @@ int vhost_dev_init(struct vhost_dev *hdev, void *opaque,
 
     if (hdev->migration_blocker != NULL) {
         r = migrate_add_blocker(hdev->migration_blocker, errp);
-        if (*errp) {
+        if (r < 0) {
             error_free(hdev->migration_blocker);
             goto fail_busyloop;
         }
@@ -1564,17 +1560,11 @@ void vhost_ack_features(struct vhost_dev *hdev, const int *feature_bits,
 int vhost_dev_get_config(struct vhost_dev *hdev, uint8_t *config,
                          uint32_t config_len, Error **errp)
 {
-    ERRP_GUARD();
-    int ret;
-
     assert(hdev->vhost_ops);
 
     if (hdev->vhost_ops->vhost_get_config) {
-        ret = hdev->vhost_ops->vhost_get_config(hdev, config, config_len, errp);
-        if (ret < 0 && !*errp) {
-            error_setg_errno(errp, -ret, "vhost_get_config failed");
-        }
-        return ret;
+        return hdev->vhost_ops->vhost_get_config(hdev, config, config_len,
+                                                 errp);
     }
 
     error_setg(errp, "vhost_get_config not implemented");