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-rw-r--r--savevm.c75
1 files changed, 44 insertions, 31 deletions
diff --git a/savevm.c b/savevm.c
index 3cdd5f2fc8..66b8b5ec8b 100644
--- a/savevm.c
+++ b/savevm.c
@@ -137,14 +137,12 @@ struct QEMUFile {
int last_error;
};
-typedef struct QEMUFileStdio
-{
+typedef struct QEMUFileStdio {
FILE *stdio_file;
QEMUFile *file;
} QEMUFileStdio;
-typedef struct QEMUFileSocket
-{
+typedef struct QEMUFileSocket {
int fd;
QEMUFile *file;
} QEMUFileSocket;
@@ -208,7 +206,8 @@ static int stdio_get_fd(void *opaque)
return fileno(s->stdio_file);
}
-static int stdio_put_buffer(void *opaque, const uint8_t *buf, int64_t pos, int size)
+static int stdio_put_buffer(void *opaque, const uint8_t *buf, int64_t pos,
+ int size)
{
QEMUFileStdio *s = opaque;
return fwrite(buf, 1, size, s->stdio_file);
@@ -310,7 +309,7 @@ QEMUFile *qemu_popen_cmd(const char *command, const char *mode)
s->stdio_file = stdio_file;
- if(mode[0] == 'r') {
+ if (mode[0] == 'r') {
s->file = qemu_fopen_ops(s, &stdio_pipe_read_ops);
} else {
s->file = qemu_fopen_ops(s, &stdio_pipe_write_ops);
@@ -429,7 +428,7 @@ QEMUFile *qemu_fdopen(int fd, const char *mode)
s = g_malloc0(sizeof(QEMUFileSocket));
s->fd = fd;
- if(mode[0] == 'r') {
+ if (mode[0] == 'r') {
s->file = qemu_fopen_ops(s, &unix_read_ops);
} else {
s->file = qemu_fopen_ops(s, &unix_write_ops);
@@ -491,10 +490,11 @@ QEMUFile *qemu_fopen(const char *filename, const char *mode)
s = g_malloc0(sizeof(QEMUFileStdio));
s->stdio_file = fopen(filename, mode);
- if (!s->stdio_file)
+ if (!s->stdio_file) {
goto fail;
-
- if(mode[0] == 'w') {
+ }
+
+ if (mode[0] == 'w') {
s->file = qemu_fopen_ops(s, &stdio_file_write_ops);
} else {
s->file = qemu_fopen_ops(s, &stdio_file_read_ops);
@@ -550,8 +550,9 @@ static const QEMUFileOps bdrv_write_ops = {
static QEMUFile *qemu_fopen_bdrv(BlockDriverState *bs, int is_writable)
{
- if (is_writable)
+ if (is_writable) {
return qemu_fopen_ops(bs, &bdrv_write_ops);
+ }
return qemu_fopen_ops(bs, &bdrv_read_ops);
}
@@ -703,8 +704,9 @@ static void qemu_fill_buffer(QEMUFile *f)
f->pos += len;
} else if (len == 0) {
qemu_file_set_error(f, -EIO);
- } else if (len != -EAGAIN)
+ } else if (len != -EAGAIN) {
qemu_file_set_error(f, len);
+ }
}
int qemu_get_fd(QEMUFile *f)
@@ -791,8 +793,9 @@ void qemu_put_buffer(QEMUFile *f, const uint8_t *buf, int size)
while (size > 0) {
l = IO_BUF_SIZE - f->buf_index;
- if (l > size)
+ if (l > size) {
l = size;
+ }
memcpy(f->buf + f->buf_index, buf, l);
f->bytes_xfer += l;
if (f->ops->writev_buffer) {
@@ -1100,8 +1103,9 @@ static int get_int32_equal(QEMUFile *f, void *pv, size_t size)
int32_t v2;
qemu_get_sbe32s(f, &v2);
- if (*v == v2)
+ if (*v == v2) {
return 0;
+ }
return -EINVAL;
}
@@ -1120,8 +1124,9 @@ static int get_int32_le(QEMUFile *f, void *pv, size_t size)
int32_t new;
qemu_get_sbe32s(f, &new);
- if (*old <= new)
+ if (*old <= new) {
return 0;
+ }
return -EINVAL;
}
@@ -1287,8 +1292,9 @@ static int get_uint8_equal(QEMUFile *f, void *pv, size_t size)
uint8_t v2;
qemu_get_8s(f, &v2);
- if (*v == v2)
+ if (*v == v2) {
return 0;
+ }
return -EINVAL;
}
@@ -1307,8 +1313,9 @@ static int get_uint16_equal(QEMUFile *f, void *pv, size_t size)
uint16_t v2;
qemu_get_be16s(f, &v2);
- if (*v == v2)
+ if (*v == v2) {
return 0;
+ }
return -EINVAL;
}
@@ -1502,8 +1509,9 @@ static int calculate_compat_instance_id(const char *idstr)
int instance_id = 0;
QTAILQ_FOREACH(se, &savevm_handlers, entry) {
- if (!se->compat)
+ if (!se->compat) {
continue;
+ }
if (strcmp(idstr, se->compat->idstr) == 0
&& instance_id <= se->compat->instance_id) {
@@ -1690,10 +1698,11 @@ int vmstate_load_state(QEMUFile *f, const VMStateDescription *vmsd,
}
if (vmsd->pre_load) {
int ret = vmsd->pre_load(opaque);
- if (ret)
+ if (ret) {
return ret;
+ }
}
- while(field->name) {
+ while (field->name) {
if ((field->field_exists &&
field->field_exists(opaque, version_id)) ||
(!field->field_exists &&
@@ -1729,7 +1738,8 @@ int vmstate_load_state(QEMUFile *f, const VMStateDescription *vmsd,
addr = *(void **)addr;
}
if (field->flags & VMS_STRUCT) {
- ret = vmstate_load_state(f, field->vmsd, addr, field->vmsd->version_id);
+ ret = vmstate_load_state(f, field->vmsd, addr,
+ field->vmsd->version_id);
} else {
ret = field->info->get(f, addr, size);
@@ -1759,7 +1769,7 @@ void vmstate_save_state(QEMUFile *f, const VMStateDescription *vmsd,
if (vmsd->pre_save) {
vmsd->pre_save(opaque);
}
- while(field->name) {
+ while (field->name) {
if (!field->field_exists ||
field->field_exists(opaque, vmsd->version_id)) {
void *base_addr = opaque + field->offset;
@@ -1818,7 +1828,7 @@ static void vmstate_save(QEMUFile *f, SaveStateEntry *se)
se->ops->save_state(f, se->opaque);
return;
}
- vmstate_save_state(f,se->vmsd, se->opaque);
+ vmstate_save_state(f, se->vmsd, se->opaque);
}
bool qemu_savevm_state_blocked(Error **errp)
@@ -1846,7 +1856,7 @@ void qemu_savevm_state_begin(QEMUFile *f,
}
se->ops->set_params(params, se->opaque);
}
-
+
qemu_put_be32(f, QEMU_VM_FILE_MAGIC);
qemu_put_be32(f, QEMU_VM_FILE_VERSION);
@@ -2106,7 +2116,7 @@ static SaveStateEntry *find_se(const char *idstr, int instance_id)
static const VMStateDescription *vmstate_get_subsection(const VMStateSubsection *sub, char *idstr)
{
- while(sub && sub->needed) {
+ while (sub && sub->needed) {
if (strcmp(idstr, sub->vmsd->name) == 0) {
return sub->vmsd;
}
@@ -2198,16 +2208,18 @@ int qemu_loadvm_state(QEMUFile *f)
}
v = qemu_get_be32(f);
- if (v != QEMU_VM_FILE_MAGIC)
+ if (v != QEMU_VM_FILE_MAGIC) {
return -EINVAL;
+ }
v = qemu_get_be32(f);
if (v == QEMU_VM_FILE_VERSION_COMPAT) {
fprintf(stderr, "SaveVM v2 format is obsolete and don't work anymore\n");
return -ENOTSUP;
}
- if (v != QEMU_VM_FILE_VERSION)
+ if (v != QEMU_VM_FILE_VERSION) {
return -ENOTSUP;
+ }
while ((section_type = qemu_get_byte(f)) != QEMU_VM_EOF) {
uint32_t instance_id, version_id, section_id;
@@ -2326,8 +2338,7 @@ static int del_existing_snapshots(Monitor *mon, const char *name)
bs = NULL;
while ((bs = bdrv_next(bs))) {
if (bdrv_can_snapshot(bs) &&
- bdrv_snapshot_find(bs, snapshot, name) >= 0)
- {
+ bdrv_snapshot_find(bs, snapshot, name) >= 0) {
bdrv_snapshot_delete_by_id_or_name(bs, name, &err);
if (error_is_set(&err)) {
monitor_printf(mon,
@@ -2437,8 +2448,9 @@ void do_savevm(Monitor *mon, const QDict *qdict)
}
the_end:
- if (saved_vm_running)
+ if (saved_vm_running) {
vm_start();
+ }
}
void qmp_xen_save_devices_state(const char *filename, Error **errp)
@@ -2462,8 +2474,9 @@ void qmp_xen_save_devices_state(const char *filename, Error **errp)
}
the_end:
- if (saved_vm_running)
+ if (saved_vm_running) {
vm_start();
+ }
}
int load_vmstate(const char *name)
generated by cgit v1.2.3 (git 2.26.2) at 2024-12-28 22:39:15 +0000