tree 4dba1ecf72b9a2af168e9e6a71b156344307ca2f
parent 85bbc003b24335e253a392f6a9874103b77abb36
author Jiri Slaby <jslaby@suse.cz> 1333367663 +0200
committer Greg Kroah-Hartman <gregkh@linuxfoundation.org> 1333996098 -0700

TTY: HVC, use count from tty_port

Now, count is used from tty_port and protected by tty_port->lock.

n_outbuf is left unprotected in hvc_hangup now, because there is no
point to hold any lock, since other uses are unprotected too.

Signed-off-by: Jiri Slaby <jslaby@suse.cz>
Cc: linuxppc-dev@lists.ozlabs.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>