From 3aa1b532561e1b7ad066b85b2fd2d6fe44f0ed10 Mon Sep 17 00:00:00 2001 From: Stefano Sabatini Date: Fri, 21 Sep 2012 12:41:00 +0200 Subject: [PATCH] lavfi/hue: set to NULL freed pointers Possibly safer. --- libavfilter/vf_hue.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/libavfilter/vf_hue.c b/libavfilter/vf_hue.c index cfd71b1f89..e02a216b90 100644 --- a/libavfilter/vf_hue.c +++ b/libavfilter/vf_hue.c @@ -118,8 +118,9 @@ static inline void compute_sin_and_cos(HueContext *hue) hue->attr##_pexpr = old_##attr##_pexpr; \ return AVERROR(EINVAL); \ } else if (old_##attr##_pexpr) { \ - av_free(old_##attr##_expr); \ + av_freep(&old_##attr##_expr); \ av_expr_free(old_##attr##_pexpr); \ + old_##attr##_pexpr = NULL; \ } \ } while (0)