@@ -163,7 +163,7 @@ static int start_jack(AVFormatContext *context)

     sem_init(&self->packet_count, 0, 0);

     self->sample_rate = jack_get_sample_rate(self->client);

-    self->ports       = av_malloc(self->nports * sizeof(*self->ports));

+    self->ports       = av_malloc_array(self->nports, sizeof(*self->ports));

     self->buffer_size = jack_get_buffer_size(self->client);

     /* Register JACK ports */