diff --git a/libavformat/tcp.c b/libavformat/tcp.c index bee349ecd5..e02c64b800 100644 --- a/libavformat/tcp.c +++ b/libavformat/tcp.c @@ -132,11 +132,11 @@ static int tcp_open(URLContext *h, const char *uri, int flags) goto fail1; } else if (s->listen == 1) { // single client - if ((fd = ff_listen_bind(fd, cur_ai->ai_addr, cur_ai->ai_addrlen, - s->listen_timeout, h)) < 0) { - ret = fd; + if ((ret = ff_listen_bind(fd, cur_ai->ai_addr, cur_ai->ai_addrlen, + s->listen_timeout, h)) < 0) goto fail1; - } + // Socket descriptor already closed here. Safe to overwrite to client one. + fd = ret; } else { if ((ret = ff_listen_connect(fd, cur_ai->ai_addr, cur_ai->ai_addrlen, s->open_timeout / 1000, h, !!cur_ai->ai_next)) < 0) {