diff options
| author | Vittorio Giovara <vittorio.giovara@gmail.com> | 2014-10-18 01:12:13 +0100 |
|---|---|---|
| committer | Vittorio Giovara <vittorio.giovara@gmail.com> | 2014-10-20 10:38:38 +0100 |
| commit | d7f530b0d67fe3996dbfa990a47c865e0d1400a2 (patch) | |
| tree | bba6e7fb5c53a7360bd4e3713d94b9332066e25a /libavformat/aviobuf.c | |
| parent | 02484d1a9316a9309fc1830825345ab79f6a8d60 (diff) | |
aviobuf: check context before using it
Avoid a possible null pointer dereference.
CC: libav-stable@libav.org
Bug-Id: CID 1135769
Diffstat (limited to 'libavformat/aviobuf.c')
| -rw-r--r-- | libavformat/aviobuf.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/libavformat/aviobuf.c b/libavformat/aviobuf.c index cc79146225..6923b78ea1 100644 --- a/libavformat/aviobuf.c +++ b/libavformat/aviobuf.c @@ -965,7 +965,7 @@ int ffio_open_dyn_packet_buf(AVIOContext **s, int max_packet_size) int avio_close_dyn_buf(AVIOContext *s, uint8_t **pbuffer) { - DynBuffer *d = s->opaque; + DynBuffer *d; int size; static const char padbuf[FF_INPUT_BUFFER_PADDING_SIZE] = {0}; int padding = 0; @@ -983,6 +983,7 @@ int avio_close_dyn_buf(AVIOContext *s, uint8_t **pbuffer) avio_flush(s); + d = s->opaque; *pbuffer = d->buffer; size = d->size; av_free(d); |