On Thu, Feb 01, 2007 at 10:33:40AM +0800, Aubrey Li wrote:
> On 2/1/07, Alan <[email protected]> wrote:
> >What code is running on that console at the time. Most likely that user
> >code is also saving/restoring terminal settings so overwrite yours
> >
>
> I implemented the serial driver by myself, :). See the attachment.
> I didn't save/restore terminal setting in the my_set_termios().
>
> I trace this back till tty_tioctl(..., unsigned long arg), everytime I
> type "ENTER" key,
> the argument "arg" passed into tty_ioctl() is the address of a termios
> structure, which include wrong c_cflag.
If userspace is issuing an ioctl to re-enable crtscts, and the kernel
is obliging, how can this be a kernel bug?
--
Russell King
Linux kernel 2.6 ARM Linux - http://www.arm.linux.org.uk/
maintainer of:
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