---
libavfilter/buffersrc.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/libavfilter/buffersrc.c b/libavfilter/buffersrc.c
index 1ace368..c7284c1 100644
--- a/libavfilter/buffersrc.c
+++ b/libavfilter/buffersrc.c
@@ -137,7 +137,7 @@ static av_cold int init(AVFilterContext *ctx, const char
*args, void *opaque)
static av_cold void uninit(AVFilterContext *ctx)
{
BufferSourceContext *s = ctx->priv;
- while (av_fifo_size(s->fifo)) {
+ while (s->fifo && av_fifo_size(s->fifo)) {
AVFilterBufferRef *buf;
av_fifo_generic_read(s->fifo, &buf, sizeof(buf), NULL);
avfilter_unref_buffer(buf);
--
1.7.9.5
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