fts-backend-solr: Check that box is not NULL

fts_backend_update_deinit will set box to NULL and call
update_set_mailbox then.

diff --git a/src/plugins/fts-solr/fts-backend-solr.c b/src/plugins/fts-solr/fts-backend-solr.c
index 6fa5f11ca5d4ce79afe235817926007a87f58251..3d9bc8a502579c7b55bddd4978c23b33611640e8 100644 (file)
--- a/src/plugins/fts-solr/fts-backend-solr.c
+++ b/src/plugins/fts-solr/fts-backend-solr.c
@@ -424,6 +424,8 @@ fts_backend_solr_update_set_mailbox(struct fts_backend_update_context *_ctx,
        const char *box_guid;
 
        if (ctx->prev_uid != 0) {
+               i_assert(ctx->cur_box != NULL);
+
                /* flush solr between mailboxes, so we don't wrongly update
                   last_uid before we know it has succeeded */
                if (fts_backed_solr_build_flush(ctx) < 0)