From 771a44726ff2b94a31a68874d9096d47951c15da Mon Sep 17 00:00:00 2001
From: naoa <visionary.incident@gmail.com>
Date: Mon, 11 Apr 2016 11:00:20 +0900
Subject: [PATCH] select drilldown: add missing error check for memory
 allocation

---
 lib/proc/proc_select.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/lib/proc/proc_select.c b/lib/proc/proc_select.c
index bb6f6afc4c..e32ea70ada 100644
--- a/lib/proc/proc_select.c
+++ b/lib/proc/proc_select.c
@@ -596,6 +596,9 @@ grn_select_drilldowns_execute(grn_ctx *ctx,
   }
 
   results = GRN_PLUGIN_MALLOCN(ctx, grn_table_group_result, n_drilldowns);
+  if (!results) {
+    goto exit;
+  }
 
   for (i = 0; i < n_drilldowns; i++) {
     grn_table_group_result *result = results + i;