linux-kernel - Re: [PATCH 5/7] kgdboc, tty: use tty open to start low level drivers

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Message-ID: <48FE4E55.90601@windriver.com>
Date:	Tue, 21 Oct 2008 16:49:09 -0500
From:	Jason Wessel <jason.wessel@...driver.com>
To:	kgdb-bugreport@...ts.sourceforge.net
CC:	linux-kernel@...r.kernel.org, alan@...rguk.ukuu.org.uk
Subject: Re: [PATCH 5/7] kgdboc, tty: use tty open to start low level drivers

Jason Wessel wrote:
> A few minor changes were needed in tty_io.c to deal with the fact that
> the inode and fpath.dentry were NULL with the generic flip structure.
>   

After further testing and review one patch hunk has been eliminated.

> Signed-off-by: Jason Wessel <jason.wessel@...driver.com>
> ---
>  drivers/char/tty_io.c      |   96 +++++++++++++++++++++++++++++++++++++++++---
>  drivers/serial/kgdboc.c    |   26 ++++++++----
>  include/linux/tty_driver.h |    5 ++
>  3 files changed, 113 insertions(+), 14 deletions(-)
>
> diff --git a/drivers/char/tty_io.c b/drivers/char/tty_io.c
> index fa44e6b..fe500ec 100644
> --- a/drivers/char/tty_io.c
> +++ b/drivers/char/tty_io.c
> @@ -1723,7 +1806,7 @@ void tty_release_dev(struct file *filp)
>  	release_tty(tty, idx);
>  
>  	/* Make this pty number available for reallocation */
> -	if (devpts)
> +	if (devpts && inode)
>  		devpts_kill_index(inode, idx);
>  }
>   

Specifically the call to devpts_kill_index() should get executed
and the above patch hunk has been removed.

Thanks,
Jason.
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