X-Git-Url: http://git.grml.org/?a=blobdiff_plain;f=usr_sbin%2Fblacklist;h=8446a411c0e5a1701f047a0da8f56b82e951a28c;hb=2706049698b8bc7478aa252f5e3a4f394bad4e5e;hp=ff1189a44a64922ea0ca1538aed3a1227841880f;hpb=2f63cad2a66b764da450f81151203f1ce37136d2;p=grml-scripts.git

diff --git a/usr_sbin/blacklist b/usr_sbin/blacklist
index ff1189a..8446a41 100755
--- a/usr_sbin/blacklist
+++ b/usr_sbin/blacklist
@@ -10,27 +10,32 @@ PN="$(basename $0)"
 [ -n "$MODPROBEFILE" ] || MODPROBEFILE=/etc/modprobe.d/grml.conf
 [ -r /etc/grml/lsb-functions ] && . /etc/grml/lsb-functions
 
-if [ -z "$1" ] ; then
+if [ -z "$1" ] || [ "$1" = "-h" ] || [ "$1" = "--help" ] ; then
   echo "Usage: $PN <module>"
   echo "$PN (un)blacklists module via $MODPROBEFILE"
   exit 1
 fi
 
-if [ $UID != 0 ] ; then
-   echo Error: become root before starting $0 >& 2
-   exit 100
+if [ "$(id -ru)" != "0" ] ; then
+  echo Error: become root before starting $0 >& 2
+  exit 100
 fi
 
 [ -f "$MODPROBEFILE" ] || touch "$MODPROBEFILE"
 
 if [ "$PN" = 'blacklist' ] ; then
   if grep -q "^blacklist $1\$" $MODPROBEFILE ; then
-     eerror "Module $1 already on blacklist in $MODPROBEFILE" ; eend 1
+    eerror "Module $1 already on blacklist in $MODPROBEFILE" ; eend 1
   else
     einfo "Adding module $1 to blacklist $MODPROBEFILE"
+
+    if ! modinfo "${1}" >/dev/null 2>&1 ; then
+      ewarn "Notice: module $1 does not seem to exist. Adding anyway."
+      eend 0
+    fi
+
     echo "blacklist $1" >> $MODPROBEFILE
     echo "alias $1 off" >> $MODPROBEFILE ; eend $?
-    modprobe -l | grep -q "${1}.ko" || ( ewarn "Notice: module $1 does not seem to exist. Adding anyway." ; eend 0 )
   fi
 fi