From 12cd224f423ccae5c22c4efb1396700d78a896f9 Mon Sep 17 00:00:00 2001
From: Christoph Honal <christoph.honal@web.de>
Date: Fri, 19 Jul 2024 15:20:11 +0200
Subject: [PATCH] Hardware keys: Fix PCSC daemon recovery on Linux

---
 src/keys/drivers/YubiKeyInterfacePCSC.cpp | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/keys/drivers/YubiKeyInterfacePCSC.cpp b/src/keys/drivers/YubiKeyInterfacePCSC.cpp
index 0d25ac434..708a0c92e 100644
--- a/src/keys/drivers/YubiKeyInterfacePCSC.cpp
+++ b/src/keys/drivers/YubiKeyInterfacePCSC.cpp
@@ -70,7 +70,8 @@ namespace
         rv = SCardListReaders(context, nullptr, nullptr, &dwReaders);
         // On windows, USB hot-plugging causes the underlying API server to die
         // So on every USB unplug event, the API context has to be recreated
-        if (rv == SCARD_E_SERVICE_STOPPED) {
+        // On Linux, restarting the pcsc daemon causes the API server to die as well
+        if (rv == SCARD_E_SERVICE_STOPPED || rv == SCARD_E_NO_SERVICE) {
             // Dont care if the release works since the handle might be broken
             SCardReleaseContext(context);
             rv = SCardEstablishContext(SCARD_SCOPE_SYSTEM, nullptr, nullptr, &context);