[PATCH] Change hex to Math::BigInt->from_hex in markup_oops.pl

[Hui Zhu <teawater@gmail.com>]

The hex cannot work well in x86 to parse the oops message for x8664.
So this patch change it.

Thanks,
Hui

Signed-off-by: Hui Zhu <teawater@gmail.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Arjan van de Ven <arjan@linux.intel.com>
Cc: Sam Ravnborg <sam@ravnborg.org>
Cc: Ozan Çaglayan <ozan@pardus.org.tr>
Cc: Matthew Wilcox <willy@linux.intel.com>

---
 scripts/markup_oops.pl |    4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

--- a/scripts/markup_oops.pl
+++ b/scripts/markup_oops.pl
@@ -196,7 +196,7 @@ if ($module ne "") {
 	while (<FILE>) {
 		if ($_ =~ /^([0-9a-f]+) \<$function\>\:/) {
 			my $fu = $1;
-			$vmaoffset = hex($target) - hex($fu) - hex($func_offset);
+			$vmaoffset = Math::BigInt->from_hex("0x$target") -
Math::BigInt->from_hex("0x$fu") -
Math::BigInt->from_hex("0x$func_offset");
 		}
 	}
 	close(FILE);
@@ -212,7 +212,7 @@ sub InRange {
 	my ($address, $target) = @_;
 	my $ad = "0x".$address;
 	my $ta = "0x".$target;
-	my $delta = hex($ad) - hex($ta);
+	my $delta = Math::BigInt->from_hex($ad) - Math::BigInt->from_hex($ta);

 	if (($delta > -4096) && ($delta < 4096)) {
 		return 1;