backup: improve error when copy-before-write fails for fleecing

[pve-qemu.git] / debian / patches / pve / 0020-PVE-Add-dummy-id-command-line-parameter.patch

From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Wolfgang Bumiller <w.bumiller@proxmox.com>
Date: Mon, 6 Apr 2020 12:16:48 +0200
Subject: [PATCH] PVE: Add dummy -id command line parameter

This used to be part of the qemu-side PVE authentication for
VNC. Now this does nothing.

Signed-off-by: Wolfgang Bumiller <w.bumiller@proxmox.com>
Signed-off-by: Thomas Lamprecht <t.lamprecht@proxmox.com>
---
 qemu-options.hx | 3 +++
 system/vl.c     | 8 ++++++++
 2 files changed, 11 insertions(+)

diff --git a/qemu-options.hx b/qemu-options.hx
index 511ab9415e..92e301d545 100644
--- a/qemu-options.hx
+++ b/qemu-options.hx
@@ -1237,6 +1237,9 @@ legacy PC, they are not recommended for modern configurations.
 
 ERST
 
+DEF("id", HAS_ARG, QEMU_OPTION_id,
+    "-id n           set the VMID", QEMU_ARCH_ALL)
+
 DEF("fda", HAS_ARG, QEMU_OPTION_fda,
     "-fda/-fdb file  use 'file' as floppy disk 0/1 image\n", QEMU_ARCH_ALL)
 DEF("fdb", HAS_ARG, QEMU_OPTION_fdb, "", QEMU_ARCH_ALL)
diff --git a/system/vl.c b/system/vl.c
index 2738ab7c91..20ebf2c920 100644
--- a/system/vl.c
+++ b/system/vl.c
@@ -2748,6 +2748,7 @@ void qemu_init(int argc, char **argv)
     MachineClass *machine_class;
     bool userconfig = true;
     FILE *vmstate_dump_file = NULL;
+    long vm_id;
 
     qemu_add_opts(&qemu_drive_opts);
     qemu_add_drive_opts(&qemu_legacy_drive_opts);
@@ -3371,6 +3372,13 @@ void qemu_init(int argc, char **argv)
                 machine_parse_property_opt(qemu_find_opts("smp-opts"),
                                            "smp", optarg);
                 break;
+            case QEMU_OPTION_id:
+                vm_id = strtol(optarg, (char **)&optarg, 10);
+                if (*optarg != 0 || vm_id < 100 || vm_id > INT_MAX) {
+                    error_report("invalid -id argument %s", optarg);
+                    exit(1);
+                }
+                break;
 #ifdef CONFIG_VNC
             case QEMU_OPTION_vnc:
                 vnc_parse(optarg);