Re: [PATCH] Remove race between con_open and con_close

From: Russell King
Date: Sat Aug 27 2005 - 18:59:02 EST


On Sun, Aug 28, 2005 at 09:40:01AM +1000, Paul Mackerras wrote:
> I have a laptop (G3 powerbook) which will pretty reliably hit a race
> between con_open and con_close late in the boot process and oops in
> vt_ioctl due to tty->driver_data being NULL.

Have you looked at how serial_core handles this kind of problem in
its open and close methods? I put some comments in there because
of the issue, after thinking about it fairly carefully.

--
Russell King
Linux kernel 2.6 ARM Linux - http://www.arm.linux.org.uk/
maintainer of: 2.6 Serial core
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