From 30c15be7aee30049a2edccc8e69595b13947e4fe Mon Sep 17 00:00:00 2001
From: Steffen Vogel <post@steffenvogel.de>
Date: Mon, 22 Oct 2018 13:11:05 +0100
Subject: [PATCH] json: properly handle EOF in json format

---
 lib/formats/json.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/lib/formats/json.c b/lib/formats/json.c
index 8edb89b44..d9c890f8d 100644
--- a/lib/formats/json.c
+++ b/lib/formats/json.c
@@ -333,6 +333,9 @@ int json_scan(struct io *io, struct sample *smps[], unsigned cnt)
 	FILE *f = io_stream_input(io);
 
 	for (i = 0; i < cnt; i++) {
+		if (feof(f))
+			return -1;
+
 skip:		json = json_loadf(f, JSON_DISABLE_EOF_CHECK, &err);
 		if (!json)
 			break;