avutil/tx: should check against (*ctx)

ctx is a pointer to pointer here. Signed-off-by: Ruiling Song <ruiling.song@intel.com>
6 years ago · 65646db8e8
parent c2771bbf81
commit 65646db8e8
1 changed files with 1 additions and 1 deletions
--- 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))
        return;

    av_free((*ctx)->pfatab);