From: Felix Fietkau <nbd@openwrt.org>
Date: Tue, 7 Jun 2011 17:00:43 +0000 (+0000)
Subject: base-files: do not write to /etc/config/wireless at boot time unless a new interface... 
X-Git-Url: http://git.openwrt.org/?p=openwrt%2Fsvn-archive%2Farchive.git;a=commitdiff_plain;h=00ad4ecdd6afc7d4597d19412ba94d30346c4d7b

base-files: do not write to /etc/config/wireless at boot time unless a new interface was found

eliminates unnecessary flash write cycles at every boot

patch by Peter Wagner (tripolar)

SVN-Revision: 27127
---

diff --git a/package/base-files/files/etc/init.d/network b/package/base-files/files/etc/init.d/network
index c2095a4f5f..fc512216f8 100755
--- a/package/base-files/files/etc/init.d/network
+++ b/package/base-files/files/etc/init.d/network
@@ -9,11 +9,14 @@ boot() {
 
 	include /lib/network
 	setup_switch
-	/sbin/wifi detect >> /etc/config/wireless
+
+	/sbin/wifi detect > /tmp/wireless.tmp
+	[ -s /tmp/wireless.tmp ] && {
+		cat /tmp/wireless.tmp >> /etc/config/wireless
+	}
+	rm -f /tmp/wireless.tmp
 	grep -qs config /etc/config/wireless && {
 		/sbin/wifi up
-	} || {
-		rm -f /etc/config/wireless
 	}
 
 	scan_interfaces