From a7fb5b2b2c7fe864f5dd9e791bbcd924b3fa6cb9 Mon Sep 17 00:00:00 2001
From: Heiko Schaefer <heiko@schaefer.name>
Date: Mon, 29 Nov 2021 21:26:16 +0100
Subject: [PATCH] Don't fail while enumerating readers, when a reader returns
 an error (just log).

This is useful with hubs that can power down individual ports: when a port is powered down, the reader is still visible to pcsc, but connecting to it returns an error.
---
 pcsc/src/lib.rs | 9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

diff --git a/pcsc/src/lib.rs b/pcsc/src/lib.rs
index c70092d..4993ff7 100644
--- a/pcsc/src/lib.rs
+++ b/pcsc/src/lib.rs
@@ -100,9 +100,12 @@ impl PcscClient {
                         continue; // try next reader
                     }
                     Err(err) => {
-                        return Err(SmartcardError::SmartCardConnectionError(
-                            err.to_string(),
-                        ));
+                        log::warn!(
+                            "Error connecting to card in reader: {:x?}",
+                            err
+                        );
+
+                        continue;
                     }
                 };