Commit e5404586 authored Dec 01, 2008 by Kevin Hao Committed by Linus Torvalds Dec 01, 2008

Add kref to fake tty used by USB console



We alloc a fake tty in usb serial console setup function. we should
init the tty's kref otherwise we will face WARN_ON after following
invoke of tty_port_tty_set --> tty_kref_get.

Signed-off-by: Kevin Hao <kexin.hao@windriver.com>
Signed-off-by: Alan Cox <alan@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

parent 296fa7f6

drivers/usb/serial/console.c

+1 −0

Original line number	Diff line number	Diff line
		@@ -135,6 +135,7 @@ static int usb_console_setup(struct console co, char options)
		err("no more memory");
		goto reset_open_count;
		}
		kref_init(&tty->kref);
		termios = kzalloc(sizeof(*termios), GFP_KERNEL);
		if (!termios) {
		retval = -ENOMEM;

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