Add support for a blacklist boot parameter.

disallows modules loading inside of the initramfs.

1 files changed, 25 insertions, 0 deletions

diff --git a/scripts/init-premount/blacklist b/scripts/init-premount/blacklist
new file mode 100755
index 0000000..1dd9dbc
--- /dev/null
+++ b/scripts/init-premount/blacklist
@@ -0,0 +1,25 @@
+#!/bin/sh
+
+PREREQ=""
+
+prereqs()
+{
+	echo "$PREREQ"
+}
+
+case $1 in
+# get pre-requisites
+prereqs)
+	prereqs
+	exit 0
+	;;
+esac
+
+# sanity check
+[ -z "${blacklist}" ] && exit 0
+
+# write blacklist to modprobe.d
+IFS=','
+for b in ${blacklist}; do
+	echo "blacklist $b" >> /etc/modprobe.d/initramfs
+done