Merge remote-tracking branch 'remotes/armbru/tags/pull-error-2021-08-26' into staging

Error reporting patches for 2021-08-26

# gpg: Signature made Thu 26 Aug 2021 16:17:05 BST
# gpg:                using RSA key 354BC8B3D7EB2A6B68674E5F3870B400EB918653
# gpg:                issuer "armbru@redhat.com"
# gpg: Good signature from "Markus Armbruster <armbru@redhat.com>" [full]
# gpg:                 aka "Markus Armbruster <armbru@pond.sub.org>" [full]
# Primary key fingerprint: 354B C8B3 D7EB 2A6B 6867  4E5F 3870 B400 EB91 8653

* remotes/armbru/tags/pull-error-2021-08-26:
  vl: Clean up -smp error handling
  Remove superfluous ERRP_GUARD()
  vhost: Clean up how VhostOpts method vhost_backend_init() fails
  vhost: Clean up how VhostOpts method vhost_get_config() fails
  microvm: Drop dead error handling in microvm_machine_state_init()
  migration: Handle migration_incoming_setup() errors consistently
  migration: Unify failure check for migrate_add_blocker()
  whpx nvmm: Drop useless migrate_del_blocker()
  vfio: Avoid error_propagate() after migrate_add_blocker()
  i386: Never free migration blocker objects instead of sometimes
  vhost-scsi: Plug memory leak on migrate_add_blocker() failure
  multi-process: Fix pci_proxy_dev_realize() error handling
  spapr: Explain purpose of ->fwnmi_migration_blocker more clearly
  spapr: Plug memory leak when we can't add a migration blocker
  error: Use error_fatal to simplify obvious fatal errors (again)

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

1 files changed, 6 insertions, 13 deletions

diff --git a/softmmu/vl.c b/softmmu/vl.c
index 82d574f..ea05bb3 100644
--- a/softmmu/vl.c
+++ b/softmmu/vl.c
@@ -1550,20 +1550,17 @@ machine_merge_property(const char *propname, QDict *prop, Error **errp)
 
 static void
 machine_parse_property_opt(QemuOptsList *opts_list, const char *propname,
-                           const char *arg, Error **errp)
+                           const char *arg)
 {
     QDict *prop = NULL;
     bool help = false;
 
-    prop = keyval_parse(arg, opts_list->implied_opt_name, &help, errp);
+    prop = keyval_parse(arg, opts_list->implied_opt_name, &help, &error_fatal);
     if (help) {
         qemu_opts_print_help(opts_list, true);
         exit(0);
     }
-    if (!prop) {
-        return;
-    }
-    machine_merge_property(propname, prop, errp);
+    machine_merge_property(propname, prop, &error_fatal);
     qobject_unref(prop);
 }
 
@@ -2694,12 +2691,7 @@ void qmp_x_exit_preconfig(Error **errp)
     qemu_machine_creation_done();
 
     if (loadvm) {
-        Error *local_err = NULL;
-        if (!load_snapshot(loadvm, NULL, false, NULL, &local_err)) {
-            error_report_err(local_err);
-            autostart = 0;
-            exit(1);
-        }
+        load_snapshot(loadvm, NULL, false, NULL, &error_fatal);
     }
     if (replay_mode != REPLAY_MODE_NONE) {
         replay_vmstate_init();
@@ -3348,7 +3340,8 @@ void qemu_init(int argc, char **argv, char **envp)
                 }
                 break;
             case QEMU_OPTION_smp:
-                machine_parse_property_opt(qemu_find_opts("smp-opts"), "smp", optarg, &error_fatal);
+                machine_parse_property_opt(qemu_find_opts("smp-opts"),
+                                           "smp", optarg);
                 break;
             case QEMU_OPTION_vnc:
                 vnc_parse(optarg);