From bac2597a32b774db9b72163d1476673b57ea0187 Mon Sep 17 00:00:00 2001
From: Justin Ruggles <justin.ruggles@gmail.com>
Date: Fri, 28 Oct 2011 00:34:52 -0400
Subject: gsmdec: log error message when output buffer is too small.

also return AVERROR(EINVAL) instead of -1
---
 libavcodec/gsmdec.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

(limited to 'libavcodec/gsmdec.c')

diff --git a/libavcodec/gsmdec.c b/libavcodec/gsmdec.c
index 57286c796f..26340c2792 100644
--- a/libavcodec/gsmdec.c
+++ b/libavcodec/gsmdec.c
@@ -61,8 +61,10 @@ static int gsm_decode_frame(AVCodecContext *avctx, void *data,
     int frame_bytes = avctx->frame_size *
                       av_get_bytes_per_sample(avctx->sample_fmt);
 
-    if (*data_size < frame_bytes)
-        return -1;
+    if (*data_size < frame_bytes) {
+        av_log(avctx, AV_LOG_ERROR, "Output buffer is too small\n");
+        return AVERROR(EINVAL);
+    }
     *data_size = 0;
     if(buf_size < avctx->block_align)
         return AVERROR_INVALIDDATA;
-- 
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