util: xml: Enforce return value check from virXMLFormatElement

The function does not transfer errors from 'attrBuf' and 'childBuf'
arguments into 'buf', but rather reports them right away, thus we need
to make sure that it's always checked.

Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>

diff --git a/src/util/virxml.h b/src/util/virxml.h
index 78a1e7fa5ef71736b17de85ab683d24c15eaca5b..b91fedde82a5f9d0a6a75ed339787de0628767a0 100644 (file)
--- a/src/util/virxml.h
+++ b/src/util/virxml.h
@@ -217,7 +217,8 @@ int
 virXMLFormatElement(virBufferPtr buf,
                     const char *name,
                     virBufferPtr attrBuf,
-                    virBufferPtr childBuf);
+                    virBufferPtr childBuf)
+    ATTRIBUTE_RETURN_CHECK;
 
 struct _virXPathContextNodeSave {
     xmlXPathContextPtr ctxt;