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init: warn if booting from removable storage

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This commit is contained in:
Stefan Saraev 2015-01-12 21:55:58 +02:00
parent 5185cd9263
commit cfc879b94f
1 changed files with 14 additions and 0 deletions
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14
packages/sysutils/busybox/scripts/init
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@ -640,6 +640,20 @@
BOOT_STEP=final
# log if booting from usb / removable storage
STORAGE=$(cat /proc/mounts | grep " /sysroot/storage " | awk '{print $1}' | awk -F '/' '{print $3}')
FLASH=$(cat /proc/mounts | grep " /sysroot/flash " | awk '{print $1}' | awk -F '/' '{print $3}')
for i in $STORAGE $FLASH ; do
if [ -n "$i" ] ; then
removable="/sys/class/block/*/$i/../removable"
if [ -e $removable ] ; then
if [ "$(cat $removable 2>/dev/null)" = "1" ] ; then
echo "### BIG FAT WARNING" > /dev/kmsg
echo "### $i is removable. suspend/resume may not work" > /dev/kmsg
fi
fi
fi
done
# move some special filesystems
/bin/busybox mount --move /dev /sysroot/dev
/bin/busybox mount --move /proc /sysroot/proc