[PATCH 02/10] error: Drop a few superfluous ERRP_GUARD()

[Markus Armbruster <armbru@redhat.com>]

include/qapi/error.h on ERRP_GUARD():

 * It must be used when the function dereferences @errp or passes
 * @errp to error_prepend(), error_vprepend(), or error_append_hint().
 * It is safe to use even when it's not needed, but please avoid
 * cluttering the source with useless code.

Clean up some of this clutter.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
---
 block/copy-before-write.c | 1 -
 dump/dump.c               | 2 --
 hw/core/qdev.c            | 2 --
 hw/pci/msi.c              | 1 -
 hw/remote/vfio-user-obj.c | 1 -
 ui/util.c                 | 1 -
 6 files changed, 8 deletions(-)

diff --git a/block/copy-before-write.c b/block/copy-before-write.c
index 4abaa7339e..6f0157244f 100644
--- a/block/copy-before-write.c
+++ b/block/copy-before-write.c
@@ -522,7 +522,6 @@ BlockDriverState *bdrv_cbw_append(BlockDriverState *source,
                                   BlockCopyState **bcs,
                                   Error **errp)
 {
-    ERRP_GUARD();
     BDRVCopyBeforeWriteState *state;
     BlockDriverState *top;
     QDict *opts;
diff --git a/dump/dump.c b/dump/dump.c
index df117c847f..c9afc30ce2 100644
--- a/dump/dump.c
+++ b/dump/dump.c
@@ -357,7 +357,6 @@ static void write_elf32_notes(WriteCoreDumpFunction f, DumpState *s,
 
 static void write_elf_phdr_note(DumpState *s, Error **errp)
 {
-    ERRP_GUARD();
     Elf32_Phdr phdr32;
     Elf64_Phdr phdr64;
     void *phdr;
@@ -773,7 +772,6 @@ static void dump_iterate(DumpState *s, Error **errp)
 static void dump_end(DumpState *s, Error **errp)
 {
     int rc;
-    ERRP_GUARD();
 
     if (s->elf_section_data_size) {
         s->elf_section_data = g_malloc0(s->elf_section_data_size);
diff --git a/hw/core/qdev.c b/hw/core/qdev.c
index 0145501904..67be2feaf3 100644
--- a/hw/core/qdev.c
+++ b/hw/core/qdev.c
@@ -493,8 +493,6 @@ void qdev_del_unplug_blocker(DeviceState *dev, Error *reason)
 
 bool qdev_unplug_blocked(DeviceState *dev, Error **errp)
 {
-    ERRP_GUARD();
-
     if (dev->unplug_blockers) {
         error_propagate(errp, error_copy(dev->unplug_blockers->data));
         return true;
diff --git a/hw/pci/msi.c b/hw/pci/msi.c
index 058d1d1ef1..1cadf150bc 100644
--- a/hw/pci/msi.c
+++ b/hw/pci/msi.c
@@ -317,7 +317,6 @@ bool msi_is_masked(const PCIDevice *dev, unsigned int vector)
 
 void msi_set_mask(PCIDevice *dev, int vector, bool mask, Error **errp)
 {
-    ERRP_GUARD();
     uint16_t flags = pci_get_word(dev->config + msi_flags_off(dev));
     bool msi64bit = flags & PCI_MSI_FLAGS_64BIT;
     uint32_t irq_state, vector_mask, pending;
diff --git a/hw/remote/vfio-user-obj.c b/hw/remote/vfio-user-obj.c
index 4e36bb8bcf..6d0310cec9 100644
--- a/hw/remote/vfio-user-obj.c
+++ b/hw/remote/vfio-user-obj.c
@@ -719,7 +719,6 @@ static void vfu_object_machine_done(Notifier *notifier, void *data)
  */
 static void vfu_object_init_ctx(VfuObject *o, Error **errp)
 {
-    ERRP_GUARD();
     DeviceState *dev = NULL;
     vfu_pci_type_t pci_type = VFU_PCI_TYPE_CONVENTIONAL;
     int ret;
diff --git a/ui/util.c b/ui/util.c
index 7e8fc1ea53..907d60e032 100644
--- a/ui/util.c
+++ b/ui/util.c
@@ -51,7 +51,6 @@ bool qemu_console_fill_device_address(QemuConsole *con,
                                       size_t size,
                                       Error **errp)
 {
-    ERRP_GUARD();
     DeviceState *dev = DEVICE(object_property_get_link(OBJECT(con),
                                                        "device",
                                                        &error_abort));
-- 
2.37.3