[FFmpeg-devel] [PATCH 2/2] avformat/bethsoftvid: Fix potential memleak upon reallocation failure

[Andreas Rheinhardt]

The classical ptr = av_realloc(ptr, size), just with av_fast_realloc().

Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt at gmail.com>
---
 libavformat/bethsoftvid.c | 10 +++++++---
 1 file changed, 7 insertions(+), 3 deletions(-)

diff --git a/libavformat/bethsoftvid.c b/libavformat/bethsoftvid.c
index e52b17433c..c54c54325a 100644
--- a/libavformat/bethsoftvid.c
+++ b/libavformat/bethsoftvid.c
@@ -147,9 +147,13 @@ static int read_frame(BVID_DemuxContext *vid, AVIOContext *pb, AVPacket *pkt,
     }
 
     do{
-        vidbuf_start = av_fast_realloc(vidbuf_start, &vidbuf_capacity, vidbuf_nbytes + BUFFER_PADDING_SIZE);
-        if(!vidbuf_start)
-            return AVERROR(ENOMEM);
+        uint8_t *tmp = av_fast_realloc(vidbuf_start, &vidbuf_capacity,
+                                       vidbuf_nbytes + BUFFER_PADDING_SIZE);
+        if (!tmp) {
+            ret = AVERROR(ENOMEM);
+            goto fail;
+        }
+        vidbuf_start = tmp;
 
         code = avio_r8(pb);
         vidbuf_start[vidbuf_nbytes++] = code;
-- 
2.20.1