Do not leak the expressions.
---
libavfilter/vf_lut.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/libavfilter/vf_lut.c b/libavfilter/vf_lut.c
index 263bd53..348ef32 100644
--- a/libavfilter/vf_lut.c
+++ b/libavfilter/vf_lut.c
@@ -245,6 +245,8 @@ static int config_props(AVFilterLink *inlink)
double res;
/* create the parsed expression */
+ av_expr_free(s->comp_expr[comp]);
+ s->comp_expr[comp] = NULL;
ret = av_expr_parse(&s->comp_expr[comp], s->comp_expr_str[comp],
var_names, funcs1_names, funcs1, NULL, NULL, 0,
ctx);
if (ret < 0) {
--
1.7.10.4
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