This is already checked in avcodec_decode_audio3()
---
 libavcodec/truespeech.c |    3 ---
 1 files changed, 0 insertions(+), 3 deletions(-)

diff --git a/libavcodec/truespeech.c b/libavcodec/truespeech.c
index 6b6d131..0ab2cab 100644
--- a/libavcodec/truespeech.c
+++ b/libavcodec/truespeech.c
@@ -344,9 +344,6 @@ static int truespeech_decode_frame(AVCodecContext *avctx,
     int16_t out_buf[240];
     int iterations;
 
-    if (!buf_size)
-        return 0;
-
     if (buf_size < 32) {
         av_log(avctx, AV_LOG_ERROR,
                "Too small input buffer (%d bytes), need at least 32 bytes\n", 
buf_size);
-- 
1.7.1

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