Do not leak the x/y expressions.
---
libavfilter/vf_crop.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/libavfilter/vf_crop.c b/libavfilter/vf_crop.c
index 0988dc9..2e7f3b9 100644
--- a/libavfilter/vf_crop.c
+++ b/libavfilter/vf_crop.c
@@ -195,6 +195,9 @@ static int config_input(AVFilterLink *link)
s->w &= ~((1 << s->hsub) - 1);
s->h &= ~((1 << s->vsub) - 1);
+ av_expr_free(s->x_pexpr);
+ av_expr_free(s->y_pexpr);
+ s->x_pexpr = s->y_pexpr = NULL;
if ((ret = av_expr_parse(&s->x_pexpr, s->x_expr, var_names,
NULL, NULL, NULL, NULL, 0, ctx)) < 0 ||
(ret = av_expr_parse(&s->y_pexpr, s->y_expr, var_names,
--
1.7.10.4
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