pngdec: check for bprint finalization sucess on icc data parsing

It can fail in case of OOM.

Signed-off-by: Rostislav Pehlivanov <atomnuker@gmail.com>

diff --git a/libavcodec/pngdec.c b/libavcodec/pngdec.c
index 0d6612cccafb897e1518848e6d6755b564e5998c..5a3d2883749f9b5456733aab78aeb72414221d5e 100644 (file)
--- a/libavcodec/pngdec.c
+++ b/libavcodec/pngdec.c
@@ -862,6 +862,8 @@ static int decode_iccp_chunk(PNGDecContext *s, int length, AVFrame *f)
         return ret;
 
     av_bprint_finalize(&bp, (char **)&data);
+    if (!data)
+        return AVERROR(ENOMEM);
 
     sd = av_frame_new_side_data(f, AV_FRAME_DATA_ICC_PROFILE, bp.len);
     if (!sd) {