On Mon, 17 Nov 2014, Vittorio Giovara wrote:

From: Luca Barbato <[email protected]>

CC: [email protected]
Bug-Id: CID 1087092
---
libavformat/xwma.c | 25 ++++++++++++++++---------
1 file changed, 16 insertions(+), 9 deletions(-)

diff --git a/libavformat/xwma.c b/libavformat/xwma.c
index 45d74de..0af4182 100644
--- a/libavformat/xwma.c
+++ b/libavformat/xwma.c
@@ -44,9 +44,9 @@ static int xwma_probe(AVProbeData *p)
static int xwma_read_header(AVFormatContext *s)
{
    int64_t size;
-    int ret;
+    int ret = 0;
    uint32_t dpds_table_size = 0;
-    uint32_t *dpds_table = 0;
+    uint32_t *dpds_table = NULL;

Unrelated?

    unsigned int tag;
    AVIOContext *pb = s->pb;
    AVStream *st;
@@ -130,8 +130,10 @@ static int xwma_read_header(AVFormatContext *s)

    /* parse the remaining RIFF chunks */
    for (;;) {
-        if (pb->eof_reached)
-            return -1;
+        if (pb->eof_reached) {
+            ret = AVERROR_INVALIDDATA;
+            goto fail;
+        }
        /* read next chunk tag */
        tag = avio_rl32(pb);
        size = avio_rl32(pb);
@@ -152,7 +154,8 @@ static int xwma_read_header(AVFormatContext *s)
            /* Error out if there is more than one dpds chunk. */
            if (dpds_table) {
                av_log(s, AV_LOG_ERROR, "two dpds chunks present\n");
-                return -1;
+                ret = AVERROR_INVALIDDATA;
+                goto fail;
            }

            /* Compute the number of entries in the dpds chunk. */
@@ -184,8 +187,10 @@ static int xwma_read_header(AVFormatContext *s)
    }

    /* Determine overall data length */
-    if (size < 0)
-        return -1;
+    if (size < 0) {
+        ret = AVERROR_INVALIDDATA;
+        goto fail;
+    }
    if (!size) {
        xwma->data_end = INT64_MAX;
    } else
@@ -204,7 +209,8 @@ static int xwma_read_header(AVFormatContext *s)
            av_log(s, AV_LOG_ERROR,
                   "Invalid bits_per_coded_sample %d for %d channels\n",
                   st->codec->bits_per_coded_sample, st->codec->channels);
-            return AVERROR_INVALIDDATA;
+            ret = AVERROR_INVALIDDATA;
+            goto fail;
        }

        st->duration = total_decoded_bytes / bytes_per_sample;
@@ -239,9 +245,10 @@ static int xwma_read_header(AVFormatContext *s)
        st->duration = (size<<3) * st->codec->sample_rate / st->codec->bit_rate;
    }

+fail:
    av_free(dpds_table);

-    return 0;
+    return ret;
}

static int xwma_read_packet(AVFormatContext *s, AVPacket *pkt)
--
1.9.3 (Apple Git-50)

The rest LGTM

// Martin
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