From 14d40cfa6e747d7da74126cf52f8867d41b833ef Mon Sep 17 00:00:00 2001
From: Jiri Mencak <jmencak@users.noreply.github.com>
Date: Wed, 24 Jan 2024 14:49:36 +0100
Subject: [PATCH] Do not report errors on systems with no wifi

This change does not attempt to _wifi_set_power_level()
unless /proc/net/wireless exists.

Other changes: fix a typo.

Signed-off-by: Jiri Mencak <jmencak@users.noreply.github.com>
---
 profiles/functions | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/profiles/functions b/profiles/functions
index 9dd3bd91b..1468f403e 100644
--- a/profiles/functions
+++ b/profiles/functions
@@ -356,13 +356,16 @@ _wifi_set_power_level() {
 	# 6    disable power savings
 	level=$1
 
+	# do not report errors on systems with no wireless
+	[ -e /proc/net/wireless ] || return 0
+
 	# apply the settings using iwpriv
 	ifaces=$(cat /proc/net/wireless | grep -v '|' | sed 's@^ *\([^:]*\):.*@\1@')
 	for iface in $ifaces; do
 		iwpriv $iface set_power $level
 	done
 
-	# some adapters may relay on sysfs
+	# some adapters may rely on sysfs
 	for i in /sys/bus/pci/devices/*/power_level; do
 		(echo $level > $i) &> /dev/null
 	done