From b995ec078f42bac95eda18fbd1b4387477b55d0d Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Jan=20Ekstr=C3=B6m?= <jeebjp@gmail.com>
Date: Sun, 6 May 2018 17:15:52 +0300
Subject: [PATCH] lavf/bluray: translate a read of 0 to EOF

Yet another case of forgotten 0 =! EOF translation. The libbluray
documentation specifically mentions that a read of 0 is EOF.

Reported by Fyr on IRC.
---
 libavformat/bluray.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libavformat/bluray.c b/libavformat/bluray.c
index 9282bf9956..635c4f1b87 100644
--- a/libavformat/bluray.c
+++ b/libavformat/bluray.c
@@ -198,7 +198,7 @@ static int bluray_read(URLContext *h, unsigned char *buf, int size)
 
     len = bd_read(bd->bd, buf, size);
 
-    return len;
+    return len == 0 ? AVERROR_EOF : len;
 }
 
 static int64_t bluray_seek(URLContext *h, int64_t pos, int whence)