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authorFei Li <fli@suse.com>2019-01-13 22:08:47 +0800
committerDr. David Alan Gilbert <dgilbert@redhat.com>2019-01-23 15:02:07 +0000
commit1398b2e3fe2a1e4e85a3854885c949c7652d7b53 (patch)
tree56e9649d69d7312d0159b275dca3b28a342c8224
parent49ed0d24a41acc8d03c65250c54276eb20076da7 (diff)
migration: multifd_save_cleanup() can't fail, simplify
multifd_save_cleanup() takes an Error ** argument and returns an error code even though it can't actually fail. Its callers dutifully check for failure. Remove the useless argument and return value, and simplify the callers. Cc: Dr. David Alan Gilbert <dgilbert@redhat.com> Cc: Markus Armbruster <armbru@redhat.com> Signed-off-by: Fei Li <fli@suse.com> Reviewed-by: Juan Quintela <quintela@redhat.com> Message-Id: <20190113140849.38339-4-lifei1214@126.com> Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
-rw-r--r--migration/migration.c5
-rw-r--r--migration/ram.c11
-rw-r--r--migration/ram.h2
3 files changed, 6 insertions, 12 deletions
diff --git a/migration/migration.c b/migration/migration.c
index 24cb4b9d0d..5d322eb9d6 100644
--- a/migration/migration.c
+++ b/migration/migration.c
@@ -1386,7 +1386,6 @@ static void migrate_fd_cleanup(void *opaque)
qemu_savevm_state_cleanup();
if (s->to_dst_file) {
- Error *local_err = NULL;
QEMUFile *tmp;
trace_migrate_fd_cleanup();
@@ -1397,9 +1396,7 @@ static void migrate_fd_cleanup(void *opaque)
}
qemu_mutex_lock_iothread();
- if (multifd_save_cleanup(&local_err) != 0) {
- error_report_err(local_err);
- }
+ multifd_save_cleanup();
qemu_mutex_lock(&s->qemu_file_lock);
tmp = s->to_dst_file;
s->to_dst_file = NULL;
diff --git a/migration/ram.c b/migration/ram.c
index 47c7ab2229..43c2b442af 100644
--- a/migration/ram.c
+++ b/migration/ram.c
@@ -917,13 +917,12 @@ static void multifd_send_terminate_threads(Error *err)
}
}
-int multifd_save_cleanup(Error **errp)
+void multifd_save_cleanup(void)
{
int i;
- int ret = 0;
if (!migrate_use_multifd()) {
- return 0;
+ return;
}
multifd_send_terminate_threads(NULL);
for (i = 0; i < migrate_multifd_channels(); i++) {
@@ -953,7 +952,6 @@ int multifd_save_cleanup(Error **errp)
multifd_send_state->pages = NULL;
g_free(multifd_send_state);
multifd_send_state = NULL;
- return ret;
}
static void multifd_send_sync_main(void)
@@ -1071,9 +1069,8 @@ static void multifd_new_send_channel_async(QIOTask *task, gpointer opaque)
Error *local_err = NULL;
if (qio_task_propagate_error(task, &local_err)) {
- if (multifd_save_cleanup(&local_err) != 0) {
- migrate_set_error(migrate_get_current(), local_err);
- }
+ migrate_set_error(migrate_get_current(), local_err);
+ multifd_save_cleanup();
} else {
p->c = QIO_CHANNEL(sioc);
qio_channel_set_delay(p->c, false);
diff --git a/migration/ram.h b/migration/ram.h
index 046d3074be..936177b3e9 100644
--- a/migration/ram.h
+++ b/migration/ram.h
@@ -43,7 +43,7 @@ uint64_t ram_bytes_remaining(void);
uint64_t ram_bytes_total(void);
int multifd_save_setup(void);
-int multifd_save_cleanup(Error **errp);
+void multifd_save_cleanup(void);
int multifd_load_setup(void);
int multifd_load_cleanup(Error **errp);
bool multifd_recv_all_channels_created(void);