[FFmpeg-cvslog] avcodec/qsvenc_h264: fix segfault when a53 SEI is not available

[Nablet Developer]

ffmpeg | branch: master | Nablet Developer <sdk at nablet.com> | Wed Oct  5 09:34:25 2016 -0400| [8d858674fd1b114958c909065734b5df381ef356] | committer: Michael Niedermayer

avcodec/qsvenc_h264: fix segfault when a53 SEI is not available

Signed-off-by: Nablet Developer <sdk at nablet.com>
Signed-off-by: Michael Niedermayer <michael at niedermayer.cc>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=8d858674fd1b114958c909065734b5df381ef356
---

 libavcodec/qsvenc_h264.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libavcodec/qsvenc_h264.c b/libavcodec/qsvenc_h264.c
index c1f6003..f5b01bb 100644
--- a/libavcodec/qsvenc_h264.c
+++ b/libavcodec/qsvenc_h264.c
@@ -53,7 +53,7 @@ static int qsv_h264_set_encode_ctrl(AVCodecContext *avctx,
         int res;
 
         res = ff_alloc_a53_sei(frame, sizeof(mfxPayload) + 2, (void**)&payload, &sei_size);
-        if (res < 0)
+        if (res < 0 || !payload)
             return res;
 
         sei_data = (mfxU8*)(payload + 1);