ctx is a pointer to pointer here.
Signed-off-by: Ruiling Song <ruiling.s...@intel.com>
---
libavutil/tx.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/libavutil/tx.c b/libavutil/tx.c
index 934ef27c81..1690604040 100644
--- a/libavutil/tx.c
+++ b/libavutil/tx.c
@@ -697,7 +697,7 @@ static int gen_mdct_exptab(AVTXContext *s, int len4, double
scale)
av_cold void av_tx_uninit(AVTXContext **ctx)
{
- if (!ctx)
+ if (!ctx || !(*ctx))
return;
av_free((*ctx)->pfatab);
--
2.17.1
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