There's no need to use an if: when block_data is NULL, realloc() acts as malloc().

1 files changed, 1 insertions, 4 deletions

diff --git a/src/demuxers/demux_matroska.c b/src/demuxers/demux_matroska.c
index f8166173a..16cf87978 100644
--- a/src/demuxers/demux_matroska.c
+++ b/src/demuxers/demux_matroska.c
@@ -1749,10 +1749,7 @@ static int parse_tags(demux_matroska_t *this) {
 static void alloc_block_data (demux_matroska_t *this, int len) {
   /* memory management */
   if (this->block_data_size < len) {
-    if (this->block_data)
-      this->block_data = realloc(this->block_data, len);
-    else
-      this->block_data = malloc(len);
+    this->block_data = realloc(this->block_data, len);
     this->block_data_size = len;
   }
 }