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-rw-r--r--hw/display/virtio-gpu.c4
-rw-r--r--hw/virtio/virtio.c13
-rw-r--r--include/hw/virtio/virtio.h2
-rw-r--r--migration/vmstate-types.c11
-rw-r--r--tests/test-vmstate.c9
5 files changed, 23 insertions, 16 deletions
diff --git a/hw/display/virtio-gpu.c b/hw/display/virtio-gpu.c
index 6b5f119d96..43bbe09ea0 100644
--- a/hw/display/virtio-gpu.c
+++ b/hw/display/virtio-gpu.c
@@ -1050,9 +1050,7 @@ static int virtio_gpu_save(QEMUFile *f, void *opaque, size_t size,
}
qemu_put_be32(f, 0); /* end of list */
- vmstate_save_state(f, &vmstate_virtio_gpu_scanouts, g, NULL);
-
- return 0;
+ return vmstate_save_state(f, &vmstate_virtio_gpu_scanouts, g, NULL);
}
static int virtio_gpu_load(QEMUFile *f, void *opaque, size_t size,
diff --git a/hw/virtio/virtio.c b/hw/virtio/virtio.c
index 3129d25c00..311929e9df 100644
--- a/hw/virtio/virtio.c
+++ b/hw/virtio/virtio.c
@@ -1897,7 +1897,7 @@ static const VMStateDescription vmstate_virtio = {
}
};
-void virtio_save(VirtIODevice *vdev, QEMUFile *f)
+int virtio_save(VirtIODevice *vdev, QEMUFile *f)
{
BusState *qbus = qdev_get_parent_bus(DEVICE(vdev));
VirtioBusClass *k = VIRTIO_BUS_GET_CLASS(qbus);
@@ -1947,20 +1947,21 @@ void virtio_save(VirtIODevice *vdev, QEMUFile *f)
}
if (vdc->vmsd) {
- vmstate_save_state(f, vdc->vmsd, vdev, NULL);
+ int ret = vmstate_save_state(f, vdc->vmsd, vdev, NULL);
+ if (ret) {
+ return ret;
+ }
}
/* Subsections */
- vmstate_save_state(f, &vmstate_virtio, vdev, NULL);
+ return vmstate_save_state(f, &vmstate_virtio, vdev, NULL);
}
/* A wrapper for use as a VMState .put function */
static int virtio_device_put(QEMUFile *f, void *opaque, size_t size,
VMStateField *field, QJSON *vmdesc)
{
- virtio_save(VIRTIO_DEVICE(opaque), f);
-
- return 0;
+ return virtio_save(VIRTIO_DEVICE(opaque), f);
}
/* A wrapper for use as a VMState .get function */
diff --git a/include/hw/virtio/virtio.h b/include/hw/virtio/virtio.h
index 80c45c321e..5abada6966 100644
--- a/include/hw/virtio/virtio.h
+++ b/include/hw/virtio/virtio.h
@@ -188,7 +188,7 @@ void virtqueue_get_avail_bytes(VirtQueue *vq, unsigned int *in_bytes,
void virtio_notify_irqfd(VirtIODevice *vdev, VirtQueue *vq);
void virtio_notify(VirtIODevice *vdev, VirtQueue *vq);
-void virtio_save(VirtIODevice *vdev, QEMUFile *f);
+int virtio_save(VirtIODevice *vdev, QEMUFile *f);
extern const VMStateInfo virtio_vmstate_info;
diff --git a/migration/vmstate-types.c b/migration/vmstate-types.c
index c056c98bdb..48184c380d 100644
--- a/migration/vmstate-types.c
+++ b/migration/vmstate-types.c
@@ -550,13 +550,14 @@ static int put_tmp(QEMUFile *f, void *pv, size_t size, VMStateField *field,
{
const VMStateDescription *vmsd = field->vmsd;
void *tmp = g_malloc(size);
+ int ret;
/* Writes the parent field which is at the start of the tmp */
*(void **)tmp = pv;
- vmstate_save_state(f, vmsd, tmp, vmdesc);
+ ret = vmstate_save_state(f, vmsd, tmp, vmdesc);
g_free(tmp);
- return 0;
+ return ret;
}
const VMStateInfo vmstate_info_tmp = {
@@ -657,12 +658,16 @@ static int put_qtailq(QEMUFile *f, void *pv, size_t unused_size,
/* offset of the QTAILQ entry in a QTAILQ element*/
size_t entry_offset = field->start;
void *elm;
+ int ret;
trace_put_qtailq(vmsd->name, vmsd->version_id);
QTAILQ_RAW_FOREACH(elm, pv, entry_offset) {
qemu_put_byte(f, true);
- vmstate_save_state(f, vmsd, elm, vmdesc);
+ ret = vmstate_save_state(f, vmsd, elm, vmdesc);
+ if (ret) {
+ return ret;
+ }
}
qemu_put_byte(f, false);
diff --git a/tests/test-vmstate.c b/tests/test-vmstate.c
index e643ac662b..087844b6c8 100644
--- a/tests/test-vmstate.c
+++ b/tests/test-vmstate.c
@@ -70,7 +70,8 @@ static void save_vmstate(const VMStateDescription *desc, void *obj)
QEMUFile *f = open_test_file(true);
/* Save file with vmstate */
- vmstate_save_state(f, desc, obj, NULL);
+ int ret = vmstate_save_state(f, desc, obj, NULL);
+ g_assert(!ret);
qemu_put_byte(f, QEMU_VM_EOF);
g_assert(!qemu_file_get_error(f));
qemu_fclose(f);
@@ -381,7 +382,8 @@ static void test_save_noskip(void)
QEMUFile *fsave = open_test_file(true);
TestStruct obj = { .a = 1, .b = 2, .c = 3, .d = 4, .e = 5, .f = 6,
.skip_c_e = false };
- vmstate_save_state(fsave, &vmstate_skipping, &obj, NULL);
+ int ret = vmstate_save_state(fsave, &vmstate_skipping, &obj, NULL);
+ g_assert(!ret);
g_assert(!qemu_file_get_error(fsave));
uint8_t expected[] = {
@@ -402,7 +404,8 @@ static void test_save_skip(void)
QEMUFile *fsave = open_test_file(true);
TestStruct obj = { .a = 1, .b = 2, .c = 3, .d = 4, .e = 5, .f = 6,
.skip_c_e = true };
- vmstate_save_state(fsave, &vmstate_skipping, &obj, NULL);
+ int ret = vmstate_save_state(fsave, &vmstate_skipping, &obj, NULL);
+ g_assert(!ret);
g_assert(!qemu_file_get_error(fsave));
uint8_t expected[] = {