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, 8 insertions, 25 deletions

diff --git a/hw/smbios/smbios.c b/hw/smbios/smbios.c
index ffd98727ee..f560826904 100644
--- a/hw/smbios/smbios.c
+++ b/hw/smbios/smbios.c
@@ -953,7 +953,6 @@ static void save_opt_list(size_t *ndest, const char ***dest,
 
 void smbios_entry_add(QemuOpts *opts, Error **errp)
 {
-    Error *err = NULL;
     const char *val;
 
     assert(!smbios_immutable);
@@ -964,9 +963,7 @@ void smbios_entry_add(QemuOpts *opts, Error **errp)
         int size;
         struct smbios_table *table; /* legacy mode only */
 
-        qemu_opts_validate(opts, qemu_smbios_file_opts, &err);
-        if (err) {
-            error_propagate(errp, err);
+        if (!qemu_opts_validate(opts, qemu_smbios_file_opts, errp)) {
             return;
         }
 
@@ -1051,9 +1048,7 @@ void smbios_entry_add(QemuOpts *opts, Error **errp)
 
         switch (type) {
         case 0:
-            qemu_opts_validate(opts, qemu_smbios_type0_opts, &err);
-            if (err) {
-                error_propagate(errp, err);
+            if (!qemu_opts_validate(opts, qemu_smbios_type0_opts, errp)) {
                 return;
             }
             save_opt(&type0.vendor, opts, "vendor");
@@ -1071,9 +1066,7 @@ void smbios_entry_add(QemuOpts *opts, Error **errp)
             }
             return;
         case 1:
-            qemu_opts_validate(opts, qemu_smbios_type1_opts, &err);
-            if (err) {
-                error_propagate(errp, err);
+            if (!qemu_opts_validate(opts, qemu_smbios_type1_opts, errp)) {
                 return;
             }
             save_opt(&type1.manufacturer, opts, "manufacturer");
@@ -1093,9 +1086,7 @@ void smbios_entry_add(QemuOpts *opts, Error **errp)
             }
             return;
         case 2:
-            qemu_opts_validate(opts, qemu_smbios_type2_opts, &err);
-            if (err) {
-                error_propagate(errp, err);
+            if (!qemu_opts_validate(opts, qemu_smbios_type2_opts, errp)) {
                 return;
             }
             save_opt(&type2.manufacturer, opts, "manufacturer");
@@ -1106,9 +1097,7 @@ void smbios_entry_add(QemuOpts *opts, Error **errp)
             save_opt(&type2.location, opts, "location");
             return;
         case 3:
-            qemu_opts_validate(opts, qemu_smbios_type3_opts, &err);
-            if (err) {
-                error_propagate(errp, err);
+            if (!qemu_opts_validate(opts, qemu_smbios_type3_opts, errp)) {
                 return;
             }
             save_opt(&type3.manufacturer, opts, "manufacturer");
@@ -1118,9 +1107,7 @@ void smbios_entry_add(QemuOpts *opts, Error **errp)
             save_opt(&type3.sku, opts, "sku");
             return;
         case 4:
-            qemu_opts_validate(opts, qemu_smbios_type4_opts, &err);
-            if (err) {
-                error_propagate(errp, err);
+            if (!qemu_opts_validate(opts, qemu_smbios_type4_opts, errp)) {
                 return;
             }
             save_opt(&type4.sock_pfx, opts, "sock_pfx");
@@ -1131,17 +1118,13 @@ void smbios_entry_add(QemuOpts *opts, Error **errp)
             save_opt(&type4.part, opts, "part");
             return;
         case 11:
-            qemu_opts_validate(opts, qemu_smbios_type11_opts, &err);
-            if (err) {
-                error_propagate(errp, err);
+            if (!qemu_opts_validate(opts, qemu_smbios_type11_opts, errp)) {
                 return;
             }
             save_opt_list(&type11.nvalues, &type11.values, opts, "value");
             return;
         case 17:
-            qemu_opts_validate(opts, qemu_smbios_type17_opts, &err);
-            if (err) {
-                error_propagate(errp, err);
+            if (!qemu_opts_validate(opts, qemu_smbios_type17_opts, errp)) {
                 return;
             }
             save_opt(&type17.loc_pfx, opts, "loc_pfx");