From be5d06dae23972a503e6eed555b3a254151be366 Mon Sep 17 00:00:00 2001
From: Werner Koch <wk@gnupg.org>
Date: Fri, 17 Jun 2022 12:23:40 +0200
Subject: [PATCH] agent: Improve "Insert the card" message.

* agent/findkey.c (prompt_for_card): Don't print "(null").
---
 agent/findkey.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/agent/findkey.c b/agent/findkey.c
index 83d984fb6..22ce20a86 100644
--- a/agent/findkey.c
+++ b/agent/findkey.c
@@ -1064,7 +1064,8 @@ prompt_for_card (ctrl_t ctrl, const unsigned char *grip,
                     "  %s%%0A"
                     "  %s",
                     L_("Please insert the card with serial number"),
-                    want_sn ? want_sn : "", comment) < 0)
+                    want_sn ? want_sn : "",
+                    comment? comment:"") < 0)
         err = out_of_core ();
       else
         {