[Minor] More fixes to backend-less classifiers

2 files changed, 14 insertions, 4 deletions

diff --git a/src/libstat/stat_config.c b/src/libstat/stat_config.c
index f153be737..8a953f47b 100644
--- a/src/libstat/stat_config.c
+++ b/src/libstat/stat_config.c
@@ -238,9 +238,13 @@ rspamd_stat_init (struct rspamd_config *cfg, struct event_base *ev_base)
 			if (!(cl->cfg->flags & RSPAMD_FLAG_CLASSIFIER_NO_BACKEND)) {
 				st->backend = bk;
 				st->bkcf = bk->init (stat_ctx, cfg, st);
+				msg_debug_config ("added backend %s for symbol %s",
+						bk->name, stf->symbol);
+			}
+			else {
+				msg_debug_config ("added backend-less statfile for symbol %s",
+						stf->symbol);
 			}
-			msg_debug_config ("added backend %s for symbol %s",
-					bk->name, stf->symbol);
 
 			/* XXX: bad hack to pass statfiles configuration to cache */
 			if (cl->cache == NULL) {
diff --git a/src/libstat/stat_process.c b/src/libstat/stat_process.c
index 7eeac00c1..ea0fcd601 100644
--- a/src/libstat/stat_process.c
+++ b/src/libstat/stat_process.c
@@ -275,6 +275,7 @@ rspamd_stat_preprocess (struct rspamd_stat_ctx *st_ctx,
 
 	rspamd_stat_process_tokenize (st_ctx, task);
 	task->stat_runtimes = g_ptr_array_sized_new (st_ctx->statfiles->len);
+	g_ptr_array_set_size (task->stat_runtimes, st_ctx->statfiles->len);
 	rspamd_mempool_add_destructor (task->task_pool,
 			rspamd_ptr_array_free_hard, task->stat_runtimes);
 
@@ -282,6 +283,11 @@ rspamd_stat_preprocess (struct rspamd_stat_ctx *st_ctx,
 		st = g_ptr_array_index (st_ctx->statfiles, i);
 		g_assert (st != NULL);
 
+		if (st->classifier->cfg->flags & RSPAMD_FLAG_CLASSIFIER_NO_BACKEND) {
+			g_ptr_array_index (task->stat_runtimes, i) = NULL;
+			continue;
+		}
+
 		bk_run = st->backend->runtime (task, st->stcf, learn, st->bkcf);
 
 		if (bk_run == NULL) {
@@ -289,7 +295,7 @@ rspamd_stat_preprocess (struct rspamd_stat_ctx *st_ctx,
 					st->backend->name, st->stcf->symbol);
 		}
 
-		g_ptr_array_add (task->stat_runtimes, bk_run);
+		g_ptr_array_index (task->stat_runtimes, i) = bk_run;
 	}
 }
 
@@ -728,7 +734,7 @@ rspamd_stat_backends_learn (struct rspamd_stat_ctx *st_ctx,
 	}
 
 end:
-	if (sel == NULL) {
+	if (!res && sel == NULL) {
 		if (classifier) {
 			g_set_error (err, rspamd_stat_quark (), 404, "cannot find classifier "
 					"with name %s", classifier);