don't record error when loading ref comment but ref comment id is zero (#15820)

diff --git a/models/issue_xref.go b/models/issue_xref.go
index 8d3caba8c0b66b40513b5c64eda660fef4418cbc..fc8dd70f775f6bf4c607011ef144e75dcec4ca0a 100644 (file)
--- a/models/issue_xref.go
+++ b/models/issue_xref.go
@@ -290,6 +290,9 @@ func CommentTypeIsRef(t CommentType) bool {
 
 // RefCommentHTMLURL returns the HTML URL for the comment that created this reference
 func (comment *Comment) RefCommentHTMLURL() string {
+       if comment.RefCommentID == 0 {
+               return ""
+       }
        if err := comment.LoadRefComment(); err != nil { // Silently dropping errors :unamused:
                log.Error("LoadRefComment(%d): %v", comment.RefCommentID, err)
                return ""