lavu/opt: dont crash on freeing NULL AVOptionRanges

Signed-off-by: Lukasz Marek <lukasz.m.luki2@gmail.com> Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
11 years ago · 8c27292373
parent 09656707cc
commit 8c27292373
1 changed files with 3 additions and 0 deletions
--- a/libavutil/opt.c
+++ b/libavutil/opt.c
@ -1608,6 +1608,9 @@ void av_opt_freep_ranges(AVOptionRanges **rangesp)
    int i;
    AVOptionRanges *ranges = *rangesp;

+    if (!ranges)
+        return;
+
    for (i = 0; i < ranges->nb_ranges * ranges->nb_components; i++) {
        AVOptionRange *range = ranges->range[i];
        av_freep(&range->str);