Merge remote-tracking branch 'remotes/armbru/tags/pull-error-2020-07-07-v2' into staging

Error reporting patches patches for 2020-07-07

# gpg: Signature made Fri 10 Jul 2020 14:24:42 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-2020-07-07-v2: (53 commits)
  xen: Use ERRP_GUARD()
  nbd: Use ERRP_GUARD()
  virtio-9p: Use ERRP_GUARD()
  fw_cfg: Use ERRP_GUARD()
  pflash: Use ERRP_GUARD()
  sd: Use ERRP_GUARD()
  scripts: Coccinelle script to use ERRP_GUARD()
  error: New macro ERRP_GUARD()
  hmp: Ignore Error objects where the return value suffices
  qdev: Ignore Error objects where the return value suffices
  qemu-img: Ignore Error objects where the return value suffices
  error: Avoid error_propagate() after migrate_add_blocker()
  qapi: Purge error_propagate() from QAPI core
  qapi: Smooth visitor error checking in generated code
  qapi: Smooth another visitor error checking pattern
  block/parallels: Simplify parallels_open() after previous commit
  error: Reduce unnecessary error propagation
  error: Eliminate error_propagate() manually
  error: Eliminate error_propagate() with Coccinelle, part 2
  error: Eliminate error_propagate() with Coccinelle, part 1
  ...

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

1 files changed, 3 insertions, 7 deletions

diff --git a/net/net.c b/net/net.c
index 94dc546fb2..7fddcebaa2 100644
--- a/net/net.c
+++ b/net/net.c
@@ -1062,7 +1062,6 @@ static int net_client_init(QemuOpts *opts, bool is_netdev, Error **errp)
 {
     gchar **substrings = NULL;
     Netdev *object = NULL;
-    Error *err = NULL;
     int ret = -1;
     Visitor *v = opts_visitor_new(opts);
 
@@ -1110,16 +1109,13 @@ static int net_client_init(QemuOpts *opts, bool is_netdev, Error **errp)
         qemu_opts_set_id(opts, g_strdup_printf("__org.qemu.net%i", idx++));
     }
 
-    visit_type_Netdev(v, NULL, &object, &err);
-
-    if (!err) {
-        ret = net_client_init1(object, is_netdev, &err);
+    if (visit_type_Netdev(v, NULL, &object, errp)) {
+        ret = net_client_init1(object, is_netdev, errp);
     }
 
     qapi_free_Netdev(object);
 
 out:
-    error_propagate(errp, err);
     g_strfreev(substrings);
     visit_free(v);
     return ret;
@@ -1168,7 +1164,7 @@ static void netfilter_print_info(Monitor *mon, NetFilterState *nf)
             continue;
         }
         v = string_output_visitor_new(false, &str);
-        object_property_get(OBJECT(nf), v, prop->name, NULL);
+        object_property_get(OBJECT(nf), prop->name, v, NULL);
         visit_complete(v, &str);
         visit_free(v);
         monitor_printf(mon, ",%s=%s", prop->name, str);