Re: [PATCH 1/1] TTY: tty_io, lookup retval fixup

[Alan Cox]

On Sun,  1 Feb 2009 22:39:16 +0100
Jiri Slaby <jirislaby@xxxxxxxxx> wrote:

> Make sure we fail on NULL return value possibly returned by pty
> master lookup.
> 
> Convert NULL to ERR_PTR(-ENODEV), since NULL is not captured by
> IS_ERR() in __tty_open.

Better to fix any broken functions I think
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