Re: Write and Submit Your First Kernel Patch

> Daniel Barkalow <barkalow@iabervon.org> writes:
>
>> On Fri, 23 Oct 2009, Kevyn-Alexandre Paré wrote:
>>
>>> Just before I send my patch I got this error with:
>>> ./scripts/checkpatch.pl --terse --file
>>> 0001-Staging-comedi-driver-fix-coding-style.patch
>>
>> You're using checkpatch --file on a patch. I hope you don't intend your
>> patch to be added to the kernel source as a file, but rather applied to
>> the kernel source, changing other files. (I bet "gcc 0001-Staging*.patch"
>> will get interesting errors, too...) The patch format adds a single
>> character at the beginning of each line to say whether it's a addition, a
>> deletion, or a context line, and the context lines are identified by a
>> space character. This means that a blank context line consists of just
>> this space character, which is therefore a trailing space. We get the same
>> type of complaints when we have expected diff output in our test scripts.
>>
>> I'm kind of surprised that checkpatch doesn't completely blow up when it's
>> expecting a source file and getting a patch (and maybe tell you what
>> you've done). But that's the source of your errors, anyway.
>
> Ah, your analysis is correct.  This is a usage error of checkpatch script
> and there is nothing for us to worry about.
>
> Thanks; I also failed to spot --file option when I responded.
>