avcodec/wma: use av_freep(), do not leave stale pointers in memory

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
(cherry picked from commit d167faafe9dfa0b82bebb267c3c4e5fa5286bd67)

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

1 files changed, 3 insertions, 3 deletions

diff --git a/libavcodec/wma.c b/libavcodec/wma.c
index 0122ee6fe3..b6d6351acf 100644
--- a/libavcodec/wma.c
+++ b/libavcodec/wma.c
@@ -386,9 +386,9 @@ int ff_wma_end(AVCodecContext *avctx)
     }
     for (i = 0; i < 2; i++) {
         ff_free_vlc(&s->coef_vlc[i]);
-        av_free(s->run_table[i]);
-        av_free(s->level_table[i]);
-        av_free(s->int_table[i]);
+        av_freep(&s->run_table[i]);
+        av_freep(&s->level_table[i]);
+        av_freep(&s->int_table[i]);
     }
 
     return 0;