server: update error message

pkg/liberrors/server.go

@@ -228,7 +228,7 @@ type ErrServerSessionTeardown struct{}
 
 // Error implements the error interface.
 func (e ErrServerSessionTeardown) Error() string {
-	return "teardown"
+	return "destroyed by a connection"
 }
 
 // ErrServerSessionLinkedToOtherConn is an error that can be returned by a server.

serversession.go

@@ -277,7 +277,7 @@ func (ss *ServerSession) run() {
 
 				if _, ok := err.(liberrors.ErrServerSessionTeardown); ok {
 					req.res <- sessionRequestRes{res: res, err: nil}
-					return liberrors.ErrServerSessionTeardown{}
+					return err
 				}
 
 				req.res <- sessionRequestRes{