migration: make migrate_fd_wait_for_unfreeze() return errors

Adjust all callers

Signed-off-by: Juan Quintela <quintela@redhat.com>

Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/migration.h b/migration.h
index ec022d604f..1c3e9b750e 100644
--- a/migration.h
+++ b/migration.h
@@ -81,7 +81,7 @@ void migrate_fd_connect(MigrationState *s);
 ssize_t migrate_fd_put_buffer(MigrationState *s, const void *data,
                               size_t size);
 void migrate_fd_put_ready(MigrationState *s);
-void migrate_fd_wait_for_unfreeze(MigrationState *s);
+int migrate_fd_wait_for_unfreeze(MigrationState *s);
 int migrate_fd_close(MigrationState *s);
 
 void add_migration_state_change_notifier(Notifier *notify);