On Thu, 2026-03-26 at 07:53 -0700, Dmitry Torokhov wrote: > 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.
I believe you are able to keep your own version of checkpatch.

