From dea4b3c742acbd195d6ab12b279b4dda315f2582 Mon Sep 17 00:00:00 2001
From: NIIBE Yutaka <gniibe@fsij.org>
Date: Fri, 17 Feb 2017 20:02:38 +0900
Subject: [PATCH] agent: No cards is not an error.

* agent/command-ssh.c (card_key_list): Care the case of no cards.

Signed-off-by: NIIBE Yutaka <gniibe@fsij.org>
---
 agent/command-ssh.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/agent/command-ssh.c b/agent/command-ssh.c
index 2c74618d6..729870045 100644
--- a/agent/command-ssh.c
+++ b/agent/command-ssh.c
@@ -2387,9 +2387,15 @@ card_key_list (ctrl_t ctrl, char **r_serialno, strlist_t *result)
 {
   gpg_error_t err;
 
+  *r_serialno = NULL;
+  *result = NULL;
+
   err = agent_card_serialno (ctrl, r_serialno, NULL);
   if (err)
     {
+      if (gpg_err_code (err) == GPG_ERR_ENODEV)
+        return 0;               /* Nothing available.  */
+
       if (opt.verbose)
         log_info (_("error getting serial number of card: %s\n"),
                   gpg_strerror (err));