CC: [email protected]
Bug-Id: CID 703625
---
libavfilter/vf_scale.c | 7 ++++---
1 file changed, 4 insertions(+), 3 deletions(-)
diff --git a/libavfilter/vf_scale.c b/libavfilter/vf_scale.c
index 73ea9d2..2b9e7e8 100644
--- a/libavfilter/vf_scale.c
+++ b/libavfilter/vf_scale.c
@@ -177,9 +177,10 @@ static int config_props(AVFilterLink *outlink)
var_values[VAR_VSUB] = 1 << desc->log2_chroma_h;
/* evaluate width and height */
- av_expr_parse_and_eval(&res, (expr = scale->w_expr),
- var_names, var_values,
- NULL, NULL, NULL, NULL, NULL, 0, ctx);
+ if ((ret = av_expr_parse_and_eval(&res, (expr = scale->w_expr),
+ var_names, var_values,
+ NULL, NULL, NULL, NULL, NULL, 0, ctx)) <
0)
+ goto fail;
scale->w = var_values[VAR_OUT_W] = var_values[VAR_OW] = res;
if ((ret = av_expr_parse_and_eval(&res, (expr = scale->h_expr),
var_names, var_values,
--
1.9.3 (Apple Git-50)
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