check if some /proc files exist, before using it, for systems without diag kernel...

[openwrt.git] / package / base-files / default / etc / preinit

diff --git a/package/base-files/default/etc/preinit b/package/base-files/default/etc/preinit
index b23f883..d64fdaa 100755 (executable)
--- a/package/base-files/default/etc/preinit
+++ b/package/base-files/default/etc/preinit
@@ -1,10 +1,11 @@
 #!/bin/sh
+. /etc/nvram.sh
 export PATH=/bin:/sbin:/usr/bin:/usr/sbin
 mount none /proc -t proc
 insmod diag
-echo 0x01 > /proc/sys/diag
+[ -f /proc/sys/diag ] && echo 0x01 > /proc/sys/diag
 sleep 1
-if [ $(cat /proc/sys/reset) = 1 -o "$(nvram get failsafe)" = 1 ]; then
+if [ -f /proc/sys/reset ] && [ $(cat /proc/sys/reset) = 1 -o "$(nvram get failsafe)" = 1 ]; then
        export FAILSAFE=true
        [ "$(nvram get boot_wait)" != "on" ] && {
                nvram set boot_wait=on