Re: [PATCH] checkpatch: improve error message for p1-check

[Joe Perches <joe@perches.com>]

On Wed, 2011-10-26 at 16:08 -0700, David Rientjes wrote:
> On Wed, 26 Oct 2011, Joe Perches wrote:
> > > > The old error message was not precise. State now explicitly that the
> > > > prefix exists as a file/directory. Also change the conclusion ("appears
> > > > to be") into an instruction ("make sure").
> > > Why can't we suppress this warning unless both prefixes appear as files or 
> > > directories in the cwd?  ('a' and 'b' if using git format-patch)
> > I sent a suggested patch that checked $root/$patched_file
> > https://lkml.org/lkml/2011/10/19/257
> So we need a combination of the two approaches then, it makes sense to 
> only emit the warning if the patched file exists in both prefixes.

I don't think so.  What about something like:

$ diff -urN kernel/foo~ kernel/foo > patch

I think we should only care about the patched file,.