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avutil/tx: should check against (*ctx)

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ctx is a pointer to pointer here.

Signed-off-by: Ruiling Song <ruiling.song@intel.com>
This commit is contained in:
Ruiling Song 2019-05-16 12:47:36 +08:00 committed by James Almer
parent c2771bbf81
commit 65646db8e8
1 changed files with 1 additions and 1 deletions
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2
libavutil/tx.c
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@ -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))
return;
av_free((*ctx)->pfatab);