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Diffstat (limited to 'migration')
-rw-r--r--migration/savevm.c32
1 files changed, 19 insertions, 13 deletions
diff --git a/migration/savevm.c b/migration/savevm.c
index a2d4f9c53c..07646f4720 100644
--- a/migration/savevm.c
+++ b/migration/savevm.c
@@ -272,7 +272,11 @@ typedef struct SaveStateEntry {
int instance_id;
int alias_id;
int version_id;
+ /* version id read from the stream */
+ int load_version_id;
int section_id;
+ /* section id read from the stream */
+ int load_section_id;
SaveVMHandlers *ops;
const VMStateDescription *vmsd;
void *opaque;
@@ -1813,7 +1817,7 @@ struct LoadStateEntry {
* Returns: true if the footer was good
* false if there is a problem (and calls error_report to say why)
*/
-static bool check_section_footer(QEMUFile *f, LoadStateEntry *le)
+static bool check_section_footer(QEMUFile *f, SaveStateEntry *se)
{
uint8_t read_mark;
uint32_t read_section_id;
@@ -1826,15 +1830,15 @@ static bool check_section_footer(QEMUFile *f, LoadStateEntry *le)
read_mark = qemu_get_byte(f);
if (read_mark != QEMU_VM_SECTION_FOOTER) {
- error_report("Missing section footer for %s", le->se->idstr);
+ error_report("Missing section footer for %s", se->idstr);
return false;
}
read_section_id = qemu_get_be32(f);
- if (read_section_id != le->section_id) {
+ if (read_section_id != se->load_section_id) {
error_report("Mismatched section id in footer for %s -"
" read 0x%x expected 0x%x",
- le->se->idstr, read_section_id, le->section_id);
+ se->idstr, read_section_id, se->load_section_id);
return false;
}
@@ -1887,6 +1891,8 @@ qemu_loadvm_section_start_full(QEMUFile *f, MigrationIncomingState *mis)
version_id, idstr, se->version_id);
return -EINVAL;
}
+ se->load_version_id = version_id;
+ se->load_section_id = section_id;
/* Validate if it is a device's state */
if (xen_enabled() && se->is_ram) {
@@ -1902,13 +1908,13 @@ qemu_loadvm_section_start_full(QEMUFile *f, MigrationIncomingState *mis)
le->version_id = version_id;
QLIST_INSERT_HEAD(&mis->loadvm_handlers, le, entry);
- ret = vmstate_load(f, le->se, le->version_id);
+ ret = vmstate_load(f, se, se->load_version_id);
if (ret < 0) {
error_report("error while loading state for instance 0x%x of"
" device '%s'", instance_id, idstr);
return ret;
}
- if (!check_section_footer(f, le)) {
+ if (!check_section_footer(f, se)) {
return -EINVAL;
}
@@ -1919,29 +1925,29 @@ static int
qemu_loadvm_section_part_end(QEMUFile *f, MigrationIncomingState *mis)
{
uint32_t section_id;
- LoadStateEntry *le;
+ SaveStateEntry *se;
int ret;
section_id = qemu_get_be32(f);
trace_qemu_loadvm_state_section_partend(section_id);
- QLIST_FOREACH(le, &mis->loadvm_handlers, entry) {
- if (le->section_id == section_id) {
+ QTAILQ_FOREACH(se, &savevm_state.handlers, entry) {
+ if (se->load_section_id == section_id) {
break;
}
}
- if (le == NULL) {
+ if (se == NULL) {
error_report("Unknown savevm section %d", section_id);
return -EINVAL;
}
- ret = vmstate_load(f, le->se, le->version_id);
+ ret = vmstate_load(f, se, se->load_version_id);
if (ret < 0) {
error_report("error while loading state section id %d(%s)",
- section_id, le->se->idstr);
+ section_id, se->idstr);
return ret;
}
- if (!check_section_footer(f, le)) {
+ if (!check_section_footer(f, se)) {
return -EINVAL;
}