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| author | Simon Thelen <ffmpeg-dev@c-14.de> | 2018-04-03 14:41:33 +0200 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2018-07-16 19:16:13 +0200 |
| commit | 28e0e494ee6499e7c37255e54453d791ff79ae54 (patch) | |
| tree | 415911e6fd8565b0c15b690cb036869d47c2fe99 | |
| parent | c8ca54961dcc49ac7eb6353b6c007be3a0dfe1cc (diff) | |
| download | ffmpeg-28e0e494ee6499e7c37255e54453d791ff79ae54.tar.gz | |
avcodec/imgconvert: fix possible null pointer dereference
regression since 354b26a3945eadd4ed8fcd801dfefad2566241de
(cherry picked from commit 8c2c97403baf95d0facb53f03e468f023eb943e1)
(cherry picked from commit c1e172c2e14ef059dac632f7c67f081dfecd30dc)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
| -rw-r--r-- | libavcodec/imgconvert.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/libavcodec/imgconvert.c b/libavcodec/imgconvert.c index 7b0005b308..1fd636c83d 100644 --- a/libavcodec/imgconvert.c +++ b/libavcodec/imgconvert.c @@ -72,11 +72,12 @@ enum AVPixelFormat avcodec_find_best_pix_fmt_of_list(const enum AVPixelFormat *p int loss; for (i=0; pix_fmt_list[i] != AV_PIX_FMT_NONE; i++) { - loss = *loss_ptr; + loss = loss_ptr ? *loss_ptr : 0; best = avcodec_find_best_pix_fmt_of_2(best, pix_fmt_list[i], src_pix_fmt, has_alpha, &loss); } - *loss_ptr = loss; + if (loss_ptr) + *loss_ptr = loss; return best; } |