From 67eeeb0b1084a72f2eca296235f732bb8d1d472c Mon Sep 17 00:00:00 2001
From: antirez <antirez@gmail.com>
Date: Tue, 6 Mar 2018 13:03:48 +0100
Subject: [PATCH] Streams: fix XREAD missing check for NULL object.

---
 src/t_stream.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/t_stream.c b/src/t_stream.c
index e2908d2c..3b7d022a 100644
--- a/src/t_stream.c
+++ b/src/t_stream.c
@@ -1171,7 +1171,7 @@ void xreadCommand(client *c) {
 
         if (strcmp(c->argv[i]->ptr,"$") == 0) {
             o = lookupKeyRead(c->db,key);
-            if (checkType(c,o,OBJ_STREAM)) goto cleanup;
+            if (o && checkType(c,o,OBJ_STREAM)) goto cleanup;
             if (o) {
                 stream *s = o->ptr;
                 ids[id_idx] = s->last_id;