[pve-devel] [PATCH qemu-server 3/3] append option to drive if the option is defined

[Dominik Csapak]

if the value was '0', we did not append the option to the drive,
resulting in wrong command line if the qemu default of an option is not
'0'

Signed-off-by: Dominik Csapak <d.csapak at proxmox.com>
---
 PVE/QemuServer.pm | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/PVE/QemuServer.pm b/PVE/QemuServer.pm
index 0011018..39a8916 100644
--- a/PVE/QemuServer.pm
+++ b/PVE/QemuServer.pm
@@ -1624,7 +1624,7 @@ sub print_drive_full {
     my $opts = '';
     my @qemu_drive_options = qw(heads secs cyls trans media format cache rerror werror aio discard);
     foreach my $o (@qemu_drive_options) {
-	$opts .= ",$o=$drive->{$o}" if $drive->{$o};
+	$opts .= ",$o=$drive->{$o}" if defined($drive->{$o});
     }
 
     # snapshot only accepts on|off
-- 
2.11.0