Fix issue in H5VL_wrap_register where datatype VOL objects are casted to H5T_t *

1 files changed, 11 insertions, 9 deletions

diff --git a/src/H5VLint.c b/src/H5VLint.c
index 861629f..98785f8 100644
--- a/src/H5VLint.c
+++ b/src/H5VLint.c
@@ -2363,23 +2363,25 @@ H5VL_wrap_register(H5I_type_t type, void *obj, hbool_t app_ref)
     /* Sanity check */
     HDassert(obj);
 
+    /* Retrieve the VOL object wrapping context */
+    if(H5CX_get_vol_wrap_ctx((void **)&vol_wrap_ctx) < 0)
+        HGOTO_ERROR(H5E_VOL, H5E_CANTGET, H5I_INVALID_HID, "can't get VOL object wrap context")
+    if(NULL == vol_wrap_ctx || NULL == vol_wrap_ctx->connector)
+        HGOTO_ERROR(H5E_VOL, H5E_BADVALUE, H5I_INVALID_HID, "VOL object wrap context or its connector is NULL???")
+
     /* If the datatype is already VOL-managed, the datatype's vol_obj
      * field will get clobbered later, so disallow this.
      */
-    if(type == H5I_DATATYPE)
-        if(TRUE == H5T_already_vol_managed((const H5T_t *)obj))
-            HGOTO_ERROR(H5E_VOL, H5E_BADTYPE, H5I_INVALID_HID, "can't wrap an uncommitted datatype")
+    if(type == H5I_DATATYPE) {
+        if(vol_wrap_ctx->connector->id == H5VL_NATIVE)
+            if(TRUE == H5T_already_vol_managed((const H5T_t *)obj))
+                HGOTO_ERROR(H5E_VOL, H5E_BADTYPE, H5I_INVALID_HID, "can't wrap an uncommitted datatype")
+    }
 
     /* Wrap the object with VOL connector info */
     if(NULL == (new_obj = H5VL__wrap_obj(obj, type)))
         HGOTO_ERROR(H5E_VOL, H5E_CANTCREATE, H5I_INVALID_HID, "can't wrap library object")
 
-    /* Retrieve the VOL object wrapping context */
-    if(H5CX_get_vol_wrap_ctx((void **)&vol_wrap_ctx) < 0)
-        HGOTO_ERROR(H5E_VOL, H5E_CANTGET, H5I_INVALID_HID, "can't get VOL object wrap context")
-    if(NULL == vol_wrap_ctx || NULL == vol_wrap_ctx->connector)
-        HGOTO_ERROR(H5E_VOL, H5E_BADVALUE, H5I_INVALID_HID, "VOL object wrap context or its connector is NULL???")
-
     /* Get an ID for the object */
     if((ret_value = H5VL_register_using_vol_id(type, new_obj, vol_wrap_ctx->connector->id, app_ref)) < 0)
         HGOTO_ERROR(H5E_VOL, H5E_CANTREGISTER, H5I_INVALID_HID, "unable to get an ID for the object")