modpost: fix segfault in sym_is() with prefixed arches

[safe/jmp/linux-2.6] / scripts / markup_oops.pl

diff --git a/scripts/markup_oops.pl b/scripts/markup_oops.pl
index 528492b..ce3e40b 100644 (file)
--- a/scripts/markup_oops.pl
+++ b/scripts/markup_oops.pl
@@ -1,6 +1,7 @@
 #!/usr/bin/perl
 
 use File::Basename;
+use Math::BigInt;
 
 # Copyright 2008, Intel Corporation
 #
@@ -153,7 +154,7 @@ while (<STDIN>) {
        if ($line =~ /RIP: 0010:\[\<([a-z0-9]+)\>\]/) {
                $target = $1;
        }
-       if ($line =~ /EIP is at ([a-zA-Z0-9\_]+)\+(0x[0-9a-f]+)\/0x[a-f0-9]/) {
+       if ($line =~ /EIP is at ([a-zA-Z0-9\_]+)\+0x([0-9a-f]+)\/0x[a-f0-9]/) {
                $function = $1;
                $func_offset = $2;
        }
@@ -172,8 +173,8 @@ while (<STDIN>) {
        parse_x86_regs($line);
 }
 
-my $decodestart = hex($target) - hex($func_offset);
-my $decodestop = hex($target) + 8192;
+my $decodestart = Math::BigInt->from_hex("0x$target") - Math::BigInt->from_hex("0x$func_offset");
+my $decodestop = Math::BigInt->from_hex("0x$target") + 8192;
 if ($target eq "0") {
        print "No oops found!\n";
        print "Usage: \n";
@@ -183,10 +184,7 @@ if ($target eq "0") {
 
 # if it's a module, we need to find the .ko file and calculate a load offset
 if ($module ne "") {
-       my $dir = dirname($filename);
-       $dir = $dir . "/";
-       my $mod = $module . ".ko";
-       my $modulefile = `find $dir -name $mod | head -1`;
+       my $modulefile = `modinfo $module | grep '^filename:' | awk '{ print \$2 }'`;
        chomp($modulefile);
        $filename = $modulefile;
        if ($filename eq "") {