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avformat/ftp: Solve a crash bug when network occur a exception

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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 <tiejun.peng@foxmail.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
This commit is contained in:
tiejun.peng@foxmail.com 2017-04-04 22:12:19 +08:00 committed by Michael Niedermayer
parent b02027c79d
commit 9fe73b0147
1 changed files with 3 additions and 0 deletions
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3
libavformat/ftp.c
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@ -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)