From 29f4d5f70a85d033a516101717680aa2701f5e6d Mon Sep 17 00:00:00 2001
From: Aki Tuomi <aki.tuomi@open-xchange.com>
Date: Tue, 22 Mar 2022 13:08:49 +0200
Subject: [PATCH] lib-test: test_istream_find - Ensure that stream is not NULL

---
 src/lib-test/test-istream.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/lib-test/test-istream.c b/src/lib-test/test-istream.c
index 1d20748645..99756c1228 100644
--- a/src/lib-test/test-istream.c
+++ b/src/lib-test/test-istream.c
@@ -135,6 +135,8 @@ static struct test_istream *test_istream_find(struct istream *input)
 {
 	struct istream *in;
 
+	i_assert(input != NULL);
+
 	for (in = input; in != NULL; in = in->real_stream->parent) {
 		if (in->real_stream->read == test_read)
 			return (struct test_istream *)in->real_stream;
-- 
2.47.3