[FFmpeg-cvslog] vc1dec: prevent memory leak on av_realloc error

[Janne Grunau]

ffmpeg | branch: master | Janne Grunau <janne-libav at jannau.net> | Tue Oct  9 16:07:12 2012 +0200| [714f5ab59780de9da546a24335a6976dac18fbe3] | committer: Janne Grunau

vc1dec: prevent memory leak on av_realloc error

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=714f5ab59780de9da546a24335a6976dac18fbe3
---

 libavcodec/vc1dec.c |   10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

diff --git a/libavcodec/vc1dec.c b/libavcodec/vc1dec.c
index df3a55a..13303dc 100644
--- a/libavcodec/vc1dec.c
+++ b/libavcodec/vc1dec.c
@@ -5364,9 +5364,10 @@ static int vc1_decode_frame(AVCodecContext *avctx, void *data,
                     break;
                 case VC1_CODE_FIELD: {
                     int buf_size3;
-                    slices = av_realloc(slices, sizeof(*slices) * (n_slices+1));
-                    if (!slices)
+                    tmp = av_realloc(slices, sizeof(*slices) * (n_slices+1));
+                    if (!tmp)
                         goto err;
+                    slices = tmp;
                     slices[n_slices].buf = av_mallocz(buf_size + FF_INPUT_BUFFER_PADDING_SIZE);
                     if (!slices[n_slices].buf)
                         goto err;
@@ -5388,9 +5389,10 @@ static int vc1_decode_frame(AVCodecContext *avctx, void *data,
                     break;
                 case VC1_CODE_SLICE: {
                     int buf_size3;
-                    slices = av_realloc(slices, sizeof(*slices) * (n_slices+1));
-                    if (!slices)
+                    tmp = av_realloc(slices, sizeof(*slices) * (n_slices+1));
+                    if (!tmp)
                         goto err;
+                    slices = tmp;
                     slices[n_slices].buf = av_mallocz(buf_size + FF_INPUT_BUFFER_PADDING_SIZE);
                     if (!slices[n_slices].buf)
                         goto err;