From 9fe73b0147d329bb03ea57c201dc99317cbf3c29 Mon Sep 17 00:00:00 2001 From: "tiejun.peng@foxmail.com" Date: Tue, 4 Apr 2017 22:12:19 +0800 Subject: [PATCH] avformat/ftp: Solve a crash bug when network occur a exception This fixes a proble where ffmpeg would cause crash to do a seek when the network disconnect. The log like this: 01-01 10:53:03.441 6580 6580 F DEBUG : backtrace: 01-01 10:53:03.441 6580 6580 F DEBUG : #00 pc 0002942e /system/lib/libavformat.so (ffurl_write+9) Signed-off-by: tiejun.peng Signed-off-by: Michael Niedermayer --- libavformat/ftp.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/libavformat/ftp.c b/libavformat/ftp.c index 0663b47bc4..9aa7a45629 100644 --- a/libavformat/ftp.c +++ b/libavformat/ftp.c @@ -206,6 +206,9 @@ static int ftp_send_command(FTPContext *s, const char *command, if (response) *response = NULL; + if (!s->conn_control) + return AVERROR(EIO); + if ((err = ffurl_write(s->conn_control, command, strlen(command))) < 0) return err; if (!err)