From f708ba0b34f4b5b5a64b7bc0abc7e46a9dcbe661 Mon Sep 17 00:00:00 2001
From: ThomasV <thomasv@electrum.org>
Date: Thu, 13 Jul 2017 11:28:37 +0200
Subject: [PATCH] fix #2603

---
 lib/qrscanner.py | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/lib/qrscanner.py b/lib/qrscanner.py
index 6a9c2d1b8..80d4adb94 100644
--- a/lib/qrscanner.py
+++ b/lib/qrscanner.py
@@ -66,9 +66,12 @@ def _find_system_cameras():
     devices = {} # Name -> device
     if os.path.exists(device_root):
         for device in os.listdir(device_root):
-            name = open(os.path.join(device_root, device, 'name')).read()
+            try:
+                name = open(os.path.join(device_root, device, 'name')).read()
+            except IOError:
+                continue
             name = name.strip('\n')
-            devices[name] = os.path.join("/dev",device)
+            devices[name] = os.path.join("/dev", device)
     return devices