avformat/mlvdec:drop unnecessary check before ff_format_io_close

Reviewed-by: Linjie Fu <linjie.fu@intel.com>
Reviewed-by: Jun Zhao <barryjzhao@tencent.com>
Signed-off-by: Steven Liu <lq@chinaffmpeg.org>

diff --git a/libavformat/mlvdec.c b/libavformat/mlvdec.c
index 68ca2c5e1c257081702cb00a75863b9eab749f31..dae13cae53a1e23438db9b68fc84c70f65e86339 100644 (file)
--- a/libavformat/mlvdec.c
+++ b/libavformat/mlvdec.c
@@ -462,8 +462,7 @@ static int read_close(AVFormatContext *s)
     MlvContext *mlv = s->priv_data;
     int i;
     for (i = 0; i < 100; i++)
-        if (mlv->pb[i])
-            ff_format_io_close(s, &mlv->pb[i]);
+        ff_format_io_close(s, &mlv->pb[i]);
     return 0;
 }