avfilter/aeval: tighten the check for empty expression

Fixes ticket #11395

James Almer committed 1 year ago

Commit e2624111 parent 9d9ac8e1 file · +1 −1Browse files

Unified · Split

libavfilter/aeval.c+1−1

@@ -114,7 +114,7 @@ static int parse_channel_expressions(AVFilterContext *ctx, · 113 unmodified lines
114	if (!args1)	114	if (!args1)
115	return AVERROR(ENOMEM);	115	return AVERROR(ENOMEM);
116		116
117	if (!eval->exprs) {	117	if (!eval->exprs \|\| !*eval->exprs) {
118	av_log(ctx, AV_LOG_ERROR, "Channels expressions list is empty\n");	118	av_log(ctx, AV_LOG_ERROR, "Channels expressions list is empty\n");
119	return AVERROR(EINVAL);	119	return AVERROR(EINVAL);
120	}	120	}