[PULL 33/55] error: Move ERRP_GUARD() to the beginning of the function

Thomas Huth posted 55 patches 1 year, 11 months ago
Maintainers: Richard Henderson <richard.henderson@linaro.org>, Paolo Bonzini <pbonzini@redhat.com>, Yi Liu <yi.l.liu@intel.com>, Eric Auger <eric.auger@redhat.com>, Zhenzhong Duan <zhenzhong.duan@intel.com>, Kevin Wolf <kwolf@redhat.com>, Hanna Reitz <hreitz@redhat.com>, John Snow <jsnow@redhat.com>, Vladimir Sementsov-Ogievskiy <vsementsov@yandex-team.ru>, Eric Blake <eblake@redhat.com>, Stefan Hajnoczi <stefanha@redhat.com>, Fam Zheng <fam@euphon.net>, "Philippe Mathieu-Daudé" <philmd@linaro.org>, Stefan Weil <sw@weilnetz.de>, Warner Losh <imp@bsdimp.com>, Kyle Evans <kevans@freebsd.org>, "Michael S. Tsirkin" <mst@redhat.com>, Eduardo Habkost <eduardo@habkost.net>, Marcel Apfelbaum <marcel.apfelbaum@gmail.com>, Yanan Wang <wangyanan55@huawei.com>, Jonathan Cameron <jonathan.cameron@huawei.com>, Fan Ni <fan.ni@samsung.com>, Laurent Vivier <laurent@vivier.eu>, Song Gao <gaosong@loongson.cn>, Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>, Alistair Francis <alistair@alistair23.me>, "Edgar E. Iglesias" <edgar.iglesias@gmail.com>, Peter Maydell <peter.maydell@linaro.org>, "Cédric Le Goater" <clg@kaod.org>, Nicholas Piggin <npiggin@gmail.com>, "Frédéric Barrat" <fbarrat@linux.ibm.com>, Daniel Henrique Barboza <danielhb413@gmail.com>, David Gibson <david@gibson.dropbear.id.au>, Harsh Prateek Bora <harshpb@linux.ibm.com>, David Hildenbrand <david@redhat.com>, Ilya Leoshkevich <iii@linux.ibm.com>, Thomas Huth <thuth@redhat.com>, Halil Pasic <pasic@linux.ibm.com>, Christian Borntraeger <borntraeger@linux.ibm.com>, Eric Farman <farman@linux.ibm.com>, Tony Krowiak <akrowiak@linux.ibm.com>, Jason Herne <jjherne@linux.ibm.com>, Alex Williamson <alex.williamson@redhat.com>, Stefano Stabellini <sstabellini@kernel.org>, Anthony Perard <anthony.perard@citrix.com>, Paul Durrant <paul@xen.org>, Markus Armbruster <armbru@redhat.com>, Michael Roth <michael.roth@amd.com>, Peter Xu <peterx@redhat.com>, Fabiano Rosas <farosas@suse.de>, Jason Wang <jasowang@redhat.com>, Michael Rolnik <mrolnik@gmail.com>, Brian Cain <bcain@quicinc.com>, Cameron Esfahani <dirty@apple.com>, Roman Bolshakov <rbolshakov@ddn.com>, Reinoud Zandijk <reinoud@netbsd.org>, Sunil Muthuswamy <sunilmut@microsoft.com>, Aurelien Jarno <aurelien@aurel32.net>, Jiaxun Yang <jiaxun.yang@flygoat.com>, Aleksandar Rikalo <aleksandar.rikalo@syrmia.com>, Huacai Chen <chenhuacai@kernel.org>, Chris Wulff <crwulff@gmail.com>, Marek Vasut <marex@denx.de>, Stafford Horne <shorne@gmail.com>, Palmer Dabbelt <palmer@dabbelt.com>, Bin Meng <bin.meng@windriver.com>, Weiwei Li <liwei1518@gmail.com>, Liu Zhiwei <zhiwei_liu@linux.alibaba.com>, Yoshinori Sato <ysato@users.sourceforge.jp>, Artyom Tarasenko <atar4qemu@gmail.com>, Bastian Koppelmann <kbastian@mail.uni-paderborn.de>, Max Filippov <jcmvbkbc@gmail.com>
[PULL 33/55] error: Move ERRP_GUARD() to the beginning of the function
Posted by Thomas Huth 1 year, 11 months ago
From: Zhao Liu <zhao1.liu@intel.com>

Since the commit 05e385d2a9 ("error: Move ERRP_GUARD() to the beginning
of the function"), there are new codes that don't put ERRP_GUARD() at
the beginning of the functions.

As stated in the commit 05e385d2a9: "include/qapi/error.h advises to put
ERRP_GUARD() right at the beginning of the function, because only then
can it guard the whole function.", so clean up the few spots
disregarding the advice.

Inspired-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Zhao Liu <zhao1.liu@intel.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Message-ID: <20240312060337.3240965-1-zhao1.liu@linux.intel.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
---
 block.c                    | 2 +-
 block/qapi.c               | 6 +++---
 hw/s390x/s390-virtio-ccw.c | 2 +-
 migration/options.c        | 2 +-
 migration/postcopy-ram.c   | 4 ++--
 net/vhost-vdpa.c           | 3 +--
 6 files changed, 9 insertions(+), 10 deletions(-)

diff --git a/block.c b/block.c
index cf66c767a0..468cf5e67d 100644
--- a/block.c
+++ b/block.c
@@ -534,9 +534,9 @@ typedef struct CreateCo {
 int coroutine_fn bdrv_co_create(BlockDriver *drv, const char *filename,
                                 QemuOpts *opts, Error **errp)
 {
+    ERRP_GUARD();
     int ret;
     GLOBAL_STATE_CODE();
-    ERRP_GUARD();
 
     if (!drv->bdrv_co_create_opts) {
         error_setg(errp, "Driver '%s' does not support image creation",
diff --git a/block/qapi.c b/block/qapi.c
index 9e806fa230..31183d4933 100644
--- a/block/qapi.c
+++ b/block/qapi.c
@@ -46,11 +46,11 @@ BlockDeviceInfo *bdrv_block_device_info(BlockBackend *blk,
                                         bool flat,
                                         Error **errp)
 {
+    ERRP_GUARD();
     ImageInfo **p_image_info;
     ImageInfo *backing_info;
     BlockDriverState *backing;
     BlockDeviceInfo *info;
-    ERRP_GUARD();
 
     if (!bs->drv) {
         error_setg(errp, "Block device %s is ejected", bs->node_name);
@@ -330,8 +330,8 @@ void bdrv_query_image_info(BlockDriverState *bs,
                            bool skip_implicit_filters,
                            Error **errp)
 {
-    ImageInfo *info;
     ERRP_GUARD();
+    ImageInfo *info;
 
     info = g_new0(ImageInfo, 1);
     bdrv_do_query_node_info(bs, qapi_ImageInfo_base(info), errp);
@@ -382,10 +382,10 @@ void bdrv_query_block_graph_info(BlockDriverState *bs,
                                  BlockGraphInfo **p_info,
                                  Error **errp)
 {
+    ERRP_GUARD();
     BlockGraphInfo *info;
     BlockChildInfoList **children_list_tail;
     BdrvChild *c;
-    ERRP_GUARD();
 
     info = g_new0(BlockGraphInfo, 1);
     bdrv_do_query_node_info(bs, qapi_BlockGraphInfo_base(info), errp);
diff --git a/hw/s390x/s390-virtio-ccw.c b/hw/s390x/s390-virtio-ccw.c
index 62804cc228..4b6aab8eef 100644
--- a/hw/s390x/s390-virtio-ccw.c
+++ b/hw/s390x/s390-virtio-ccw.c
@@ -312,9 +312,9 @@ static void ccw_init(MachineState *machine)
 static void s390_cpu_plug(HotplugHandler *hotplug_dev,
                         DeviceState *dev, Error **errp)
 {
+    ERRP_GUARD();
     MachineState *ms = MACHINE(hotplug_dev);
     S390CPU *cpu = S390_CPU(dev);
-    ERRP_GUARD();
 
     g_assert(!ms->possible_cpus->cpus[cpu->env.core_id].cpu);
     ms->possible_cpus->cpus[cpu->env.core_id].cpu = OBJECT(dev);
diff --git a/migration/options.c b/migration/options.c
index caff0a271d..cf253266db 100644
--- a/migration/options.c
+++ b/migration/options.c
@@ -478,9 +478,9 @@ static bool migrate_incoming_started(void)
  */
 bool migrate_caps_check(bool *old_caps, bool *new_caps, Error **errp)
 {
+    ERRP_GUARD();
     MigrationIncomingState *mis = migration_incoming_get_current();
 
-    ERRP_GUARD();
 #ifndef CONFIG_LIVE_BLOCK_MIGRATION
     if (new_caps[MIGRATION_CAPABILITY_BLOCK]) {
         error_setg(errp, "QEMU compiled without old-style (blk/-b, inc/-i) "
diff --git a/migration/postcopy-ram.c b/migration/postcopy-ram.c
index 0273dc6a94..eccff499cb 100644
--- a/migration/postcopy-ram.c
+++ b/migration/postcopy-ram.c
@@ -283,10 +283,10 @@ static bool request_ufd_features(int ufd, uint64_t features)
 static bool ufd_check_and_apply(int ufd, MigrationIncomingState *mis,
                                 Error **errp)
 {
+    ERRP_GUARD();
     uint64_t asked_features = 0;
     static uint64_t supported_features;
 
-    ERRP_GUARD();
     /*
      * it's not possible to
      * request UFFD_API twice per one fd
@@ -371,6 +371,7 @@ static int test_ramblock_postcopiable(RAMBlock *rb, Error **errp)
  */
 bool postcopy_ram_supported_by_host(MigrationIncomingState *mis, Error **errp)
 {
+    ERRP_GUARD();
     long pagesize = qemu_real_host_page_size();
     int ufd = -1;
     bool ret = false; /* Error unless we change it */
@@ -380,7 +381,6 @@ bool postcopy_ram_supported_by_host(MigrationIncomingState *mis, Error **errp)
     uint64_t feature_mask;
     RAMBlock *block;
 
-    ERRP_GUARD();
     if (qemu_target_page_size() > pagesize) {
         error_setg(errp, "Target page size bigger than host page size");
         goto out;
diff --git a/net/vhost-vdpa.c b/net/vhost-vdpa.c
index d81baecbc1..ef9fc543b1 100644
--- a/net/vhost-vdpa.c
+++ b/net/vhost-vdpa.c
@@ -1557,14 +1557,13 @@ static const VhostShadowVirtqueueOps vhost_vdpa_net_svq_ops = {
 static int vhost_vdpa_probe_cvq_isolation(int device_fd, uint64_t features,
                                           int cvq_index, Error **errp)
 {
+    ERRP_GUARD();
     uint64_t backend_features;
     int64_t cvq_group;
     uint8_t status = VIRTIO_CONFIG_S_ACKNOWLEDGE |
                      VIRTIO_CONFIG_S_DRIVER;
     int r;
 
-    ERRP_GUARD();
-
     r = ioctl(device_fd, VHOST_GET_BACKEND_FEATURES, &backend_features);
     if (unlikely(r < 0)) {
         error_setg_errno(errp, errno, "Cannot get vdpa backend_features");
-- 
2.44.0