From: Andre Noll <maan@tuebingen.mpg.de>
Date: Fri, 1 Jan 2021 15:05:56 +0000 (+0100)
Subject: prebuffer: Bail out on bufffer tree errors.
X-Git-Tag: v0.6.3~5
X-Git-Url: http://git.tue.mpg.de/?a=commitdiff_plain;h=23913cbbfc98;p=paraslash.git

prebuffer: Bail out on bufffer tree errors.

Without this, the prebuffer filter might stay active forever, occupying
a slot of para_audiod until no more slots are available. This was
observed with the udp receiver.
---

diff --git a/prebuffer_filter.c b/prebuffer_filter.c
index 05ceb88c..1988e6e0 100644
--- a/prebuffer_filter.c
+++ b/prebuffer_filter.c
@@ -60,6 +60,9 @@ static int prebuffer_post_select(__a_unused struct sched *s, void *context)
 	int ret;
 
 	ret = task_get_notification(fn->task);
+	if (ret < 0)
+		return ret;
+	ret = btr_node_status(btrn, size, BTR_NT_INTERNAL);
 	if (ret < 0)
 		return ret;
 	if (ppd->barrier.tv_sec == 0)