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linux-kernel-module-cheat/rootfs_overlay/params.sh
2018-07-01 23:37:37 +01:00

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#!/bin/sh
set -e
d=/sys/module/params/parameters
i="${d}/i"
j="${d}/j"
insmod /params.ko
# dmesg => 0 0
[ "$(cat "$i")" = '1 0' ]
printf 1 > "$i"
# dmesg => 1 0
rmmod params
insmod /params.ko i=1 j=1
# dmesg => 1 1
rmmod params