From a26e9c1040afeecf9013da742b0dec7009445f2b Mon Sep 17 00:00:00 2001
From: Michael Niedermayer <michaelni@gmx.at>
Date: Fri, 24 Jan 2014 03:24:55 +0100
Subject: [PATCH] avcodec/mjpegenc: Use av_frame_clone() instead of
 av_frame_ref()

This avoids the need for double error checking
Fixes CID1163843

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
---
 libavcodec/mjpegenc.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/libavcodec/mjpegenc.c b/libavcodec/mjpegenc.c
index 44e1c3c76d..7487ef8f66 100644
--- a/libavcodec/mjpegenc.c
+++ b/libavcodec/mjpegenc.c
@@ -539,10 +539,9 @@ static int amv_encode_picture(AVCodecContext *avctx, AVPacket *pkt,
     if(s->avctx->flags & CODEC_FLAG_EMU_EDGE)
         return AVERROR(EINVAL);
 
-    pic = av_frame_alloc();
+    pic = av_frame_clone(pic_arg);
     if (!pic)
         return AVERROR(ENOMEM);
-    av_frame_ref(pic, pic_arg);
     //picture should be flipped upside-down
     for(i=0; i < 3; i++) {
         int vsample = i ? 2 >> chroma_v_shift : 2;