interrupts: Fix directory listing

Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>

diff --git a/src/functions/functions.interrupts b/src/functions/functions.interrupts
index c443a9364d58e18134db1784aa112c1013685999..6280235ff624acc9c74afbf27d6d99bfac9d4a35 100644 (file)
--- 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() {