From 94cd4acef867fa123b8d834592a7824c43ede492 Mon Sep 17 00:00:00 2001
From: Eric Wild <ewild@sysmocom.de>
Date: Thu, 31 Oct 2019 19:18:45 +0100
Subject: sim: allow opening reader# > 0

Change-Id: I4b1abc8d8aae4bd9a32f927269d7ebfef902d7c5
---
 src/sim/reader_pcsc.c | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

(limited to 'src/sim')

diff --git a/src/sim/reader_pcsc.c b/src/sim/reader_pcsc.c
index f22103f4..9e05e3c0 100644
--- a/src/sim/reader_pcsc.c
+++ b/src/sim/reader_pcsc.c
@@ -79,17 +79,18 @@ static struct osim_reader_hdl *pcsc_reader_open(int num, const char *id, void *c
 	rc = SCardListReaders(st->hContext, NULL, (LPSTR)&mszReaders, &dwReaders);
 	PCSC_ERROR(rc, "SCardListReaders");
 
+	/* SCARD_S_SUCCESS means there is at least one reader in the group */
 	num_readers = 0;
 	ptr = mszReaders;
-	while (*ptr != '\0') {
+	while (*ptr != '\0' && num_readers != num) {
 		ptr += strlen(ptr)+1;
 		num_readers++;
 	}
 
-	if (num_readers == 0)
+	if (num != num_readers)
 		goto end;
 
-	st->name = talloc_strdup(rh, mszReaders);
+	st->name = talloc_strdup(rh, ptr);
 	st->dwActiveProtocol = -1;
 
 	return rh;
-- 
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