Free the temporary variables that are allocated, avoid memory leaks.

(transplanted from c994a2508893efc4c85f5b49600b7dceec5c890e)

--HG--
extra : transplant_source : %C9%94%A2P%88%93%EF%C4%C8_%5BI%60%0B%7D%CE%EC%5C%89%0E

1 files changed, 9 insertions, 3 deletions

diff --git a/src/demuxers/demux_matroska.c b/src/demuxers/demux_matroska.c
index 0169651a0..4f3476049 100644
--- a/src/demuxers/demux_matroska.c
+++ b/src/demuxers/demux_matroska.c
@@ -1181,8 +1181,10 @@ static int parse_track_entry(demux_matroska_t *this, matroska_track_t *track) {
       case MATROSKA_ID_TR_CODECID: {
         char *codec_id = malloc (elem.len + 1);
         lprintf("CodecID\n");
-        if (!ebml_read_ascii(ebml, &elem, codec_id))
+        if (!ebml_read_ascii(ebml, &elem, codec_id)) {
+	  free(codec_id);
           return 0;
+	}
         codec_id[elem.len] = '\0';
         track->codec_id = codec_id;
       }
@@ -1191,8 +1193,10 @@ static int parse_track_entry(demux_matroska_t *this, matroska_track_t *track) {
       case MATROSKA_ID_TR_CODECPRIVATE: {
         char *codec_private = malloc (elem.len);
         lprintf("CodecPrivate\n");
-        if (!ebml_read_binary(ebml, &elem, codec_private))
+        if (!ebml_read_binary(ebml, &elem, codec_private)) {
+	  free(codec_private);
           return 0;
+	}
         track->codec_private = codec_private;
         track->codec_private_len = elem.len;
       }
@@ -1201,8 +1205,10 @@ static int parse_track_entry(demux_matroska_t *this, matroska_track_t *track) {
       case MATROSKA_ID_TR_LANGUAGE: {
         char *language = malloc (elem.len + 1);
         lprintf("Language\n");
-        if (!ebml_read_ascii(ebml, &elem, language))
+        if (!ebml_read_ascii(ebml, &elem, language)) {
+	  free(language);
           return 0;
+	}
         language[elem.len] = '\0';
         track->language = language;
       }