p54: fix a null pointer dereference bug

[openwrt.git] / scripts / rstrip.sh

diff --git a/scripts/rstrip.sh b/scripts/rstrip.sh
index d9d3ad2..e42caa5 100755 (executable)
--- a/scripts/rstrip.sh
+++ b/scripts/rstrip.sh
@@ -1,4 +1,28 @@
-#!/bin/sh
+#!/usr/bin/env bash
+# 
+# Copyright (C) 2006 OpenWrt.org
+#
+# This is free software, licensed under the GNU General Public License v2.
+# See /LICENSE for more information.
+#
+
+find_modparams() {
+       FILE="$1"
+       $NM "$FILE" | awk '
+BEGIN {
+       FS=" "
+}
+($3 ~ /^__module_parm_/) && ($3 !~ /^__module_parm_desc/) {
+       gsub(/__module_parm_/, "", $3)
+       printf "-K " $3 " "
+}
+($2 ~ /r/) && ($3 ~ /__param_/) {
+       gsub(/__param_/, "", $3)
+       printf "-K " $3 " "
+}
+'
+}
+
 
 SELF=${0##*/}
 
@@ -16,11 +40,19 @@ TARGETS=$*
 }
 
 find $TARGETS -type f -a -exec file {} \; | \
-  sed -n -e 's/^\(.*\):.*ELF.*\(executable\|relocatable\|shared object\).*, not stripped/\1:\2/p' | \
+  sed -n -e 's/^\(.*\):.*ELF.*\(executable\|relocatable\|shared object\).*,.* stripped/\1:\2/p' | \
 (
   IFS=":"
   while read F S; do
     echo "$SELF: $F:$S"
-    eval "$STRIP $F"
+       [ "${S}" = "relocatable" ] && {
+               eval "$STRIP_KMOD -w -K '__param*' -K '__mod*' $(find_modparams "$F")$F"
+       } || {
+               b=$(stat -c '%a' $F)
+               eval "$STRIP $F"
+               a=$(stat -c '%a' $F)
+               [ "$a" = "$b" ] || chmod $b $F
+       }
   done
+  true
 )