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-rwxr-xr-xabs/core-testing/klibc-udev/load-modules.sh57
1 files changed, 38 insertions, 19 deletions
diff --git a/abs/core-testing/klibc-udev/load-modules.sh b/abs/core-testing/klibc-udev/load-modules.sh
index f0961a7..3d52d6b 100755
--- a/abs/core-testing/klibc-udev/load-modules.sh
+++ b/abs/core-testing/klibc-udev/load-modules.sh
@@ -4,29 +4,48 @@
# - Aaron Griffin & Tobias Powalowski for Archlinux
[ $# -ne 1 ] && exit 1
+MODPROBE="/sbin/modprobe"
+RESOLVEALIAS="/bin/resolve-modalias"
+USEBLACKLIST="--use-blacklist"
+REPLACE="/bin/replace"
+MODDEPS="/bin/moddeps"
+
if [ -f /proc/cmdline ]; then
- for cmd in $(cat /proc/cmdline); do
- case $cmd in
- *=*) eval $cmd ;;
- esac
- done
+ for cmd in $(cat /proc/cmdline); do
+ case $cmd in
+ disablemodules=*) eval $cmd ;;
+ load_modules=off) exit ;;
+ esac
+ done
+ #parse cmdline entries of the form "disablemodules=x,y,z"
+ if [ -n "${disablemodules}" ]; then
+ BLACKLIST="$(${REPLACE} ${disablemodules} ',')"
+ fi
fi
-# get the real names from modaliases
-i="$(/bin/moddeps $1)"
-# add disablemodules= from commandline to blacklist
-k="$(/bin/replace "${disablemodules}" ',')"
-j="$(/bin/replace "${k}" '-' '_')"
+# sanitize the module names
+BLACKLIST="$(${REPLACE} "${BLACKLIST}" '-' '_')"
-if [ "${j}" != "" ] ; then
- for n in ${i}; do
- for o in ${j}; do
- if [ "$n" = "$o" ]; then
- exit 1
- fi
- done
- done
+if [ -n "${BLACKLIST}" ] ; then
+ # Try to find all modules for the alias
+ mods="$($RESOLVEALIAS /lib/modules/$(uname -r)/modules.alias $1)"
+ # If no modules could be found, try if the alias name is a module name
+ # In that case, omit the --use-blacklist parameter to imitate normal modprobe behaviour
+ [ -z "${mods}" ] && $MODPROBE -qni $1 && mods="$1" && USEBLACKLIST=""
+ [ -z "${mods}" ] && exit
+ for mod in ${mods}; do
+ deps="$(${MODDEPS} ${mod})"
+ [ $? -ne 0 ] && continue
+ # If the module or any of its dependencies is blacklisted, don't load it
+ for dep in $deps; do
+ for blackmod in ${BLACKLIST}; do
+ [ "${blackmod}" = "${dep}" ] && continue 3
+ done
+ done
+ $MODPROBE $USEBLACKLIST ${mod}
+ done
+else
+ $MODPROBE $1
fi
-/sbin/modprobe $1
# vim: set et ts=4: