From: Jun Zhao <barryjz...@tencent.com>
Need to check malloc fail before using the pointer
Signed-off-by: Jun Zhao <barryjz...@tencent.com>
---
libavcodec/pngenc.c | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/libavcodec/pngenc.c b/libavcodec/pngenc.c
index 69b4495..d4d8dc8 100644
--- a/libavcodec/pngenc.c
+++ b/libavcodec/pngenc.c
@@ -748,11 +748,11 @@ static int apng_encode_frame(AVCodecContext *avctx, const
AVFrame *pict,
original_bytestream_end = s->bytestream_end;
temp_bytestream = av_malloc(original_bytestream_end - original_bytestream);
- temp_bytestream_end = temp_bytestream + (original_bytestream_end -
original_bytestream);
if (!temp_bytestream) {
ret = AVERROR(ENOMEM);
goto fail;
}
+ temp_bytestream_end = temp_bytestream + (original_bytestream_end -
original_bytestream);
for (last_fctl_chunk.dispose_op = 0; last_fctl_chunk.dispose_op < 3;
++last_fctl_chunk.dispose_op) {
// 0: APNG_DISPOSE_OP_NONE
--
1.7.1
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