From 98786aa2f05da5e785d9344a04767dfbf99c10f0 Mon Sep 17 00:00:00 2001
From: Stefano Sabatini <stefasab@gmail.com>
Date: Thu, 21 Nov 2013 23:13:16 +0100
Subject: lavfi/aevalsrc: initialize pointer to expression to NULL

Fix crash in case of expression parsing failure.
---
 libavfilter/asrc_aevalsrc.c | 1 +
 1 file changed, 1 insertion(+)

(limited to 'libavfilter')

diff --git a/libavfilter/asrc_aevalsrc.c b/libavfilter/asrc_aevalsrc.c
index 4c1bbdf1f8..41ad632145 100644
--- a/libavfilter/asrc_aevalsrc.c
+++ b/libavfilter/asrc_aevalsrc.c
@@ -101,6 +101,7 @@ static av_cold int init(AVFilterContext *ctx)
             ret = AVERROR(ENOMEM);
             goto end;
         }
+        eval->expr[eval->nb_channels-1] = NULL;
         ret = av_expr_parse(&eval->expr[eval->nb_channels - 1], expr, var_names,
                             NULL, NULL, NULL, NULL, 0, ctx);
         if (ret < 0)
-- 
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