From 100642e776964219936e493315eb8b7c99742f41 Mon Sep 17 00:00:00 2001
From: NIIBE Yutaka <gniibe@fsij.org>
Date: Wed, 7 Aug 2019 08:50:19 +0900
Subject: [PATCH] scd: Remove fallback mechanism to PC/SC.

* scd/apdu.c [HAVE_LIBUSB] (apdu_open_reader): Simply let it fail.

GnuPG-bug-id: 4673
Signed-off-by: NIIBE Yutaka <gniibe@fsij.org>
---
 scd/apdu.c | 10 ++--------
 1 file changed, 2 insertions(+), 8 deletions(-)

diff --git a/scd/apdu.c b/scd/apdu.c
index 2df113c5e..37becb287 100644
--- a/scd/apdu.c
+++ b/scd/apdu.c
@@ -2107,14 +2107,8 @@ apdu_open_reader (struct dev_list *dl, int app_empty)
             dl->idx++;
         }
 
-      /* Not found.  Try one for PC/SC, only when it's the initial scan.  */
-      if (app_empty && dl->idx == dl->idx_max)
-        {
-          dl->idx++;
-          slot = apdu_open_one_reader (dl->portstr);
-        }
-      else
-        slot = -1;
+      /* Not found.  */
+      slot = -1;
     }
   else
 #endif