Re: [PATCH] checkpatch: allow correctly handle full files on stdin

[Dmitry Torokhov <dmitry.torokhov@gmail.com>]

On Thu, Mar 26, 2026 at 01:46:49AM -0700, Joe Perches wrote:
> On Wed, 2026-03-25 at 23:20 -0700, Dmitry Torokhov wrote:
> > checkpatch does not handle full files well when they are passed on
> > stdin, because it does not know how to treat the text, and whether it is
> > a C file, or a DTS file, or something else, and so it assumes that when
> > it works with stdin it should be a unified diff. For full files it
> > expects to have a file name as an argument and read the contents from
> > disk. Unfortunately this does not well when trying to use checkpatch as
> > an online linter and feed it contents of an editor buffer that have not
> > made it to the disk yet.
> 
> Why is this useful?
> Why not save the buffer and then feed the file?

Because when I am editing a file I am not saving it all that often. I
want to have buffer diagnostic updated when I leave insert mode in vim.

Thanks.

-- 
Dmitry