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| author | Michael Niedermayer <michaelni@gmx.at> | 2014-04-06 04:01:24 +0200 |
|---|---|---|
| committer | Michael Niedermayer <michaelni@gmx.at> | 2014-06-23 15:10:07 +0200 |
| commit | 9c83914a1fd6bb9d19d5d81a4c25264176c2c25c (patch) | |
| tree | a29c0d1b1bbf7eafca07eba3b2af2be1b0c01ee1 | |
| parent | 861732246ff26186cbaa12edfcdb40abd2fd81b1 (diff) | |
| download | ffmpeg-9c83914a1fd6bb9d19d5d81a4c25264176c2c25c.tar.gz | |
avcodec/msrle: check return code for success before use
The check is possibly redundant, but better to check for errors
that dont occur than to skip the check and crash
Fixes CID1197060
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
(cherry picked from commit 754f84663e8b3a88fa2e953b195d59230393fb8d)
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
| -rw-r--r-- | libavcodec/msrle.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/libavcodec/msrle.c b/libavcodec/msrle.c index 750e54ae99..9f0cac61e3 100644 --- a/libavcodec/msrle.c +++ b/libavcodec/msrle.c @@ -116,6 +116,9 @@ static int msrle_decode_frame(AVCodecContext *avctx, uint8_t *buf = avpkt->data + (avctx->height-1)*istride; int i, j; + if (linesize < 0) + return linesize; + for (i = 0; i < avctx->height; i++) { if (avctx->bits_per_coded_sample == 4) { for (j = 0; j < avctx->width - 1; j += 2) { |