From 5c53e53eaff02ea700e848550cfb3c919f6216ae Mon Sep 17 00:00:00 2001
From: Michael Tremer <michael.tremer@ipfire.org>
Date: Fri, 18 Aug 2017 17:37:19 +0000
Subject: [PATCH] interrupts: Fix directory listing

Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>
---
 src/functions/functions.interrupts | 13 ++++++++++++-
 1 file changed, 12 insertions(+), 1 deletion(-)

diff --git a/src/functions/functions.interrupts b/src/functions/functions.interrupts
index c443a93..6280235 100644
--- a/src/functions/functions.interrupts
+++ b/src/functions/functions.interrupts
@@ -20,7 +20,18 @@
 ###############################################################################
 
 interrupts_list() {
-	list_directory "/proc/irq"
+	local interrupt
+	for interrupt in list_directory "/proc/irq"; do
+		if interrupt_exists "${interrupt}"; then
+			print "${interrupt}"
+		fi
+	done
+}
+
+interrupt_exists() {
+	local interrupt="${1}"
+
+	[ -d "/proc/irq/${interrupt}" ]
 }
 
 interrupt_use_smp_affinity() {
-- 
2.47.3