wmadec: Set data size to 0 if nothing was decoded.

Without this, we might feed uninitialized data into the output stream.

diff --git a/wmadec_filter.c b/wmadec_filter.c
index f695d869806fef2223e4c70dbd41040e1d404d12..41dd51f96bb7fa49522a2749256802d45fa60de3 100644 (file)
--- a/wmadec_filter.c
+++ b/wmadec_filter.c
@@ -1068,10 +1068,13 @@ static int wma_decode_superframe(struct private_wmadec_data *pwd, void *data,
 
        if (buf_size == 0) {
                pwd->last_superframe_len = 0;
+               *data_size = 0;
                return 0;
        }
-       if (buf_size < pwd->ahi.block_align)
+       if (buf_size < pwd->ahi.block_align) {
+               *data_size = 0;
                return 0;
+       }
        buf_size = pwd->ahi.block_align;
        samples = data;
        init_get_bits(&pwd->gb, buf, buf_size);