From 1dc42050185d63c1de5d16146fbaee92640af187 Mon Sep 17 00:00:00 2001
From: Anton Khirnov <anton@khirnov.net>
Date: Sun, 15 Jul 2012 11:16:53 +0200
Subject: lavfi: check all avfilter_ref_buffer() calls for errors.

---
 libavfilter/fifo.c | 3 +++
 1 file changed, 3 insertions(+)

(limited to 'libavfilter/fifo.c')

diff --git a/libavfilter/fifo.c b/libavfilter/fifo.c
index 8264d5302e..3226a0ddbe 100644
--- a/libavfilter/fifo.c
+++ b/libavfilter/fifo.c
@@ -169,6 +169,9 @@ static int return_audio_frame(AVFilterContext *ctx)
             queue_pop(s);
         } else {
             buf_out = avfilter_ref_buffer(head, AV_PERM_READ);
+            if (!buf_out)
+                return AVERROR(ENOMEM);
+
             buf_out->audio->nb_samples = link->request_samples;
             buffer_offset(link, head, link->request_samples);
         }
-- 
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