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-rw-r--r--perl-install/swap.pm12
1 files changed, 6 insertions, 6 deletions
diff --git a/perl-install/swap.pm b/perl-install/swap.pm
index cbe572369..fd7d12c5b 100644
--- a/perl-install/swap.pm
+++ b/perl-install/swap.pm
@@ -11,7 +11,6 @@ use c;
my $pagesize = c::getpagesize();
-my $signature_page = "\0" x $pagesize;
# Maximum allowable number of pages in one swap.
# From 2.2.0 onwards, this depends on how many offset bits
@@ -34,10 +33,10 @@ sub kernel_greater_or_equal($$$) {
}
sub check_blocks {
- my ($fd, $version, $nbpages) = @_;
+ my ($fd, $version, $nbpages, $signature_page) = @_;
my ($last_read_ok, $badpages) = (0, 0);
my ($buffer);
- my $badpages_field_v1 = \substr($signature_page, psizeof($signature_format_v1));
+ my $badpages_field_v1 = \substr($$signature_page, psizeof($signature_format_v1));
for (my $i = 0; $i < $nbpages; $i++) {
@@ -50,7 +49,7 @@ sub check_blocks {
}
$badpages++;
}
- vec($signature_page, $i, 1) = to_bool($last_read_ok) if $version == 0;
+ vec($$signature_page, $i, 1) = to_bool($last_read_ok) if $version == 0;
}
#- TODO: add interface
@@ -62,6 +61,7 @@ sub check_blocks {
sub make($;$) {
my ($devicename, $checkBlocks) = @_;
my $badpages = 0;
+ my $signature_page = "\0" x $pagesize;
my ($version, $maxpages);
$devicename = devices::make($devicename);
@@ -93,12 +93,12 @@ sub make($;$) {
}
if ($checkBlocks) {
- $badpages = check_blocks(*F, $version, $nbpages);
+ $badpages = check_blocks(*F, $version, $nbpages, \$signature_page);
} elsif ($version == 0) {
for (my $i = 0; $i < $nbpages; $i++) { vec($signature_page, $i, 1) = 1 }
}
- $version == 0 and !vec($signature_page, 0, 1) and die "bad block on first page";
+ $version == 0 && !vec($signature_page, 0, 1) and die "bad block on first page";
vec($signature_page, 0, 1) = 0;
$version == 1 and MDK::Common::DataStructure::strcpy($signature_page, pack($signature_format_v1, $version, $nbpages - 1, $badpages));