From 989c91b5042c19c9914a3b205b1ca6e1598c66ba Mon Sep 17 00:00:00 2001 From: Michael Niedermayer Date: Thu, 11 Oct 2012 03:00:34 +0200 Subject: [PATCH] asrc_aevalsrc: Fix use of uninitialized pointer inside av_strtok() Fixes CID733842 Signed-off-by: Michael Niedermayer --- libavfilter/asrc_aevalsrc.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/libavfilter/asrc_aevalsrc.c b/libavfilter/asrc_aevalsrc.c index 71eadfcccc..c8b5e02700 100644 --- a/libavfilter/asrc_aevalsrc.c +++ b/libavfilter/asrc_aevalsrc.c @@ -91,6 +91,12 @@ static int init(AVFilterContext *ctx, const char *args) eval->class = &aevalsrc_class; av_opt_set_defaults(eval); + if (!args1) { + av_log(ctx, AV_LOG_ERROR, "Argument is empty\n"); + ret = args ? AVERROR(ENOMEM) : AVERROR(EINVAL); + goto end; + } + /* parse expressions */ buf = args1; i = 0;