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-rw-r--r--hw/9pfs/virtio-9p.c5
-rw-r--r--hw/core/qdev-properties.c9
-rw-r--r--hw/misc/ivshmem.c4
3 files changed, 10 insertions, 8 deletions
diff --git a/hw/9pfs/virtio-9p.c b/hw/9pfs/virtio-9p.c
index 83e4e93983..9aa6725f09 100644
--- a/hw/9pfs/virtio-9p.c
+++ b/hw/9pfs/virtio-9p.c
@@ -987,8 +987,9 @@ static void v9fs_attach(void *opaque)
      */
     if (!s->migration_blocker) {
         s->root_fid = fid;
-        error_set(&s->migration_blocker, QERR_VIRTFS_FEATURE_BLOCKS_MIGRATION,
-                  s->ctx.fs_root ? s->ctx.fs_root : "NULL", s->tag);
+        error_setg(&s->migration_blocker,
+                   "Migration is disabled when VirtFS export path '%s' is mounted in the guest using mount_tag '%s'",
+                   s->ctx.fs_root ? s->ctx.fs_root : "NULL", s->tag);
         migrate_add_blocker(s->migration_blocker);
     }
 out:
diff --git a/hw/core/qdev-properties.c b/hw/core/qdev-properties.c
index c67acf58b5..585a8e902e 100644
--- a/hw/core/qdev-properties.c
+++ b/hw/core/qdev-properties.c
@@ -587,8 +587,9 @@ static void set_blocksize(Object *obj, Visitor *v, void *opaque,
 
     /* We rely on power-of-2 blocksizes for bitmasks */
     if ((value & (value - 1)) != 0) {
-        error_set(errp, QERR_PROPERTY_VALUE_NOT_POWER_OF_2,
-                  dev->id?:"", name, (int64_t)value);
+        error_setg(errp,
+                  "Property %s.%s doesn't take value '%" PRId64 "', it's not a power of 2",
+                  dev->id ?: "", name, (int64_t)value);
         return;
     }
 
@@ -853,7 +854,7 @@ void error_set_from_qdev_prop_error(Error **errp, int ret, DeviceState *dev,
 {
     switch (ret) {
     case -EEXIST:
-        error_set(errp, QERR_PROPERTY_VALUE_IN_USE,
+        error_setg(errp, "Property '%s.%s' can't take value '%s', it's in use",
                   object_get_typename(OBJECT(dev)), prop->name, value);
         break;
     default:
@@ -862,7 +863,7 @@ void error_set_from_qdev_prop_error(Error **errp, int ret, DeviceState *dev,
                   object_get_typename(OBJECT(dev)), prop->name, value);
         break;
     case -ENOENT:
-        error_set(errp, QERR_PROPERTY_VALUE_NOT_FOUND,
+        error_setg(errp, "Property '%s.%s' can't find value '%s'",
                   object_get_typename(OBJECT(dev)), prop->name, value);
         break;
     case 0:
diff --git a/hw/misc/ivshmem.c b/hw/misc/ivshmem.c
index 8d144baa1e..768e5288bc 100644
--- a/hw/misc/ivshmem.c
+++ b/hw/misc/ivshmem.c
@@ -684,8 +684,8 @@ static int pci_ivshmem_init(PCIDevice *dev)
     }
 
     if (s->role_val == IVSHMEM_PEER) {
-        error_set(&s->migration_blocker, QERR_DEVICE_FEATURE_BLOCKS_MIGRATION,
-                  "peer mode", "ivshmem");
+        error_setg(&s->migration_blocker,
+                   "Migration is disabled when using feature 'peer mode' in device 'ivshmem'");
         migrate_add_blocker(s->migration_blocker);
     }