@@ -2448,38 +2448,43 @@ qemu_loadvm_section_part_end(QEMUFile *f, MigrationIncomingState *mis)
return 0;
}
-static int qemu_loadvm_state_header(QEMUFile *f)
+static int qemu_loadvm_state_header(QEMUFile *f, Error **errp)
{
unsigned int v;
int ret;
v = qemu_get_be32(f);
if (v != QEMU_VM_FILE_MAGIC) {
- error_report("Not a migration stream");
- return -EINVAL;
+ error_setg(errp, "Not a migration stream, magic %x != %x",
+ v, QEMU_VM_FILE_MAGIC);
+ return -1;
}
v = qemu_get_be32(f);
if (v == QEMU_VM_FILE_VERSION_COMPAT) {
- error_report("SaveVM v2 format is obsolete and don't work anymore");
- return -ENOTSUP;
+ error_setg(errp, "SaveVM v2 format is obsolete and don't work anymore");
+ return -1;
}
if (v != QEMU_VM_FILE_VERSION) {
- error_report("Unsupported migration stream version");
- return -ENOTSUP;
+ error_setg(errp, "Unsupported migration stream, version %x != %x",
+ v, QEMU_VM_FILE_VERSION);
+ return -1;
}
if (migrate_get_current()->send_configuration) {
- if (qemu_get_byte(f) != QEMU_VM_CONFIGURATION) {
- error_report("Configuration section missing");
+ v = qemu_get_byte(f);
+ if (v != QEMU_VM_CONFIGURATION) {
+ error_setg(errp, "Configuration section missing, %x != %x",
+ v, QEMU_VM_CONFIGURATION);
qemu_loadvm_state_cleanup();
- return -EINVAL;
+ return -1;
}
ret = vmstate_load_state(f, &vmstate_configuration, &savevm_state, 0);
if (ret) {
+ error_setg(errp, "Error %d while loading VM state", ret);
qemu_loadvm_state_cleanup();
- return ret;
+ return -1;
}
}
return 0;
@@ -2647,9 +2652,7 @@ int qemu_loadvm_state(QEMUFile *f, Error **errp)
return -1;
}
- ret = qemu_loadvm_state_header(f);
- if (ret) {
- error_setg(errp, "Error %d while loading VM state", ret);
+ if (qemu_loadvm_state_header(f, errp) < 0) {
return -1;
}
This is an incremental step in converting vmstate loading code to report via Error objects instead of printing directly to the console/monitor. Signed-off-by: Daniel P. Berrangé <berrange@redhat.com> --- migration/savevm.c | 31 +++++++++++++++++-------------- 1 file changed, 17 insertions(+), 14 deletions(-)