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-rw-r--r--scd/apdu.c22
1 files changed, 16 insertions, 6 deletions
diff --git a/scd/apdu.c b/scd/apdu.c
index 34e606ada..08e195ccf 100644
--- a/scd/apdu.c
+++ b/scd/apdu.c
@@ -826,19 +826,27 @@ control_pcsc (int slot, pcsc_dword_t ioctl_code,
}
+static void
+release_pcsc_context (void)
+{
+ /*log_debug ("%s: releasing context\n", __func__);*/
+ log_assert (pcsc.context != 0);
+ pcsc_release_context (pcsc.context);
+ pcsc.context = 0;
+}
+
static int
close_pcsc_reader (int slot)
{
/*log_debug ("%s: count=%d (ctx=%x)\n", __func__, pcsc.count, pcsc.context);*/
(void)slot;
- if (!pcsc.count || !--pcsc.count)
+ log_assert (pcsc.count > 0);
+ if (!--pcsc.count)
{
int i;
/*log_debug ("%s: releasing context\n", __func__);*/
- if (pcsc.context)
- pcsc_release_context (pcsc.context);
- pcsc.context = 0;
+ release_pcsc_context ();
for (i = 0; i < MAX_READER; i++)
pcsc.rdrname[i] = NULL;
}
@@ -2041,8 +2049,9 @@ apdu_dev_list_start (const char *portstr, struct dev_list **l_p)
err = gpg_error_from_syserror ();
log_error ("error allocating memory for reader list\n");
+ if (pcsc.count == 0)
+ release_pcsc_context ();
npth_mutex_unlock (&reader_table_lock);
- close_pcsc_reader (0);
xfree (dl);
return err;
}
@@ -2053,8 +2062,9 @@ apdu_dev_list_start (const char *portstr, struct dev_list **l_p)
log_error ("pcsc_list_readers failed: %s (0x%lx)\n",
pcsc_error_string (r), r);
xfree (p);
+ if (pcsc.count == 0)
+ release_pcsc_context ();
npth_mutex_unlock (&reader_table_lock);
- close_pcsc_reader (0);
xfree (dl);
return iso7816_map_sw (pcsc_error_to_sw (r));
}