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authorMartin Whitaker <mageia@martin-whitaker.me.uk>2020-12-19 11:02:16 +0000
committerMartin Whitaker <mageia@martin-whitaker.me.uk>2020-12-19 20:44:57 +0000
commit057a1ef4ebdf018d9f260faf34a2f40f7b2227f7 (patch)
tree38dcbe351b0ee6d8dd0ca9bb0c64fb8045d58762 /perl-install/partition_table
parent7fd3a959c9158f4e8c6bd2c8a49ae19f09777498 (diff)
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Erase iso9660 signature when clearing hybrid ISO partition table (mga#27864)
Diffstat (limited to 'perl-install/partition_table')
-rw-r--r--perl-install/partition_table/dos.pm8
1 files changed, 8 insertions, 0 deletions
diff --git a/perl-install/partition_table/dos.pm b/perl-install/partition_table/dos.pm
index 3bcb226c4..aa020131a 100644
--- a/perl-install/partition_table/dos.pm
+++ b/perl-install/partition_table/dos.pm
@@ -272,6 +272,12 @@ sub start_write {
open $F, ">$file" or die "error opening test file $file";
} else {
$F = partition_table::raw::openit($hd, 2) or die "error opening device $hd->{device} for writing";
+ if ($hd->{was_hybrid_iso}) {
+ log::l("partition::dos::start_write erasing hybrid iso9660 signature");
+ c::lseek_sector(fileno($F), 0, 0x8001) or return 0;
+ syswrite $F, "\0\0\0\0\0", 5 or return 0;
+ $hd->{was_hybrid_iso} = 0;
+ }
}
$F;
}
@@ -344,6 +350,8 @@ sub initialize {
my ($class, $hd) = @_;
# Remember whether any existing partitions are mounted, for use by need_to_tell_kernel().
$hd->{hadMountedPartitions} = 1 if any { $_->{isMounted} } partition_table::get_normal_parts($hd);
+ # Remember whether this was a hybrid ISO so we can wipe the iso9660 signature.
+ $hd->{was_hybrid_iso} = 1 if $hd->{primary}{is_hybrid_iso};
$hd->{primary} = empty_raw();
bless $hd, $class;
}