From: Limin Wang <[email protected]>
Signed-off-by: Limin Wang <[email protected]>
---
libavfilter/af_acrossover.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/libavfilter/af_acrossover.c b/libavfilter/af_acrossover.c
index 20d1d2bda9..c9404b95cd 100644
--- a/libavfilter/af_acrossover.c
+++ b/libavfilter/af_acrossover.c
@@ -98,7 +98,8 @@ static av_cold int init(AVFilterContext *ctx)
p = NULL;
- av_sscanf(arg, "%f", &freq);
+ if (av_sscanf(arg, "%f", &freq) != 1)
+ return AVERROR(EINVAL);
if (freq <= 0) {
av_log(ctx, AV_LOG_ERROR, "Frequency %f must be positive
number.\n", freq);
return AVERROR(EINVAL);
--
2.21.0
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