mount挂载windows共享文件夹

今天在centos 7下挂载windows共享文件夹遇到报错

mount error(115): Operation now in progress

Refer to the mount.cifs(8) manual page (e.g. man mount.cifs)

折腾了半天才去看了一眼日志

messages内

Oct 28 03:17:59 localhost kernel: CIFS VFS: Error connecting to socket. Aborting operation.

Oct 28 03:17:59 localhost kernel: CIFS VFS: cifs_mount failed w/return code = -115

看到socket，想起端口，然后去瞄了一眼windows防火墙。然后就没有然后了///