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authorLukasz Marek <lukasz.m.luki@gmail.com>2014-04-04 19:28:45 +0200
committerMichael Niedermayer <michaelni@gmx.at>2014-06-23 15:10:07 +0200
commit46b64d9818848f8df086c8f6c0f98b54cedaa9bb (patch)
tree6480588a8988f061c5aef69adf756f589555ca8a
parentc5085a0301434347765152e5151c94eb1e300159 (diff)
downloadffmpeg-46b64d9818848f8df086c8f6c0f98b54cedaa9bb.tar.gz
lavu/opt: validate range before dereference
This change make error handling simplier. av_opt_freep_ranges may be called when some ranges are NULL, for example after memory allocation fail. Signed-off-by: Lukasz Marek <lukasz.m.luki@gmail.com> Signed-off-by: Michael Niedermayer <michaelni@gmx.at> (cherry picked from commit 3aac5fcfa9d3748659d78ab2a66d0ccce22cfd4f) Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
-rw-r--r--libavutil/opt.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/libavutil/opt.c b/libavutil/opt.c
index a367dbbbcb..85435dd8fa 100644
--- a/libavutil/opt.c
+++ b/libavutil/opt.c
@@ -1507,8 +1507,10 @@ void av_opt_freep_ranges(AVOptionRanges **rangesp)
for (i = 0; i < ranges->nb_ranges; i++) {
AVOptionRange *range = ranges->range[i];
- av_freep(&range->str);
- av_freep(&ranges->range[i]);
+ if (range) {
+ av_freep(&range->str);
+ av_freep(&ranges->range[i]);
+ }
}
av_freep(&ranges->range);
av_freep(rangesp);