Re: Checkpatch ignores spelling error by using -f

From: Rolf Evers-Fischer
Date: Wed Dec 06 2017 - 10:02:22 EST




On Wed, 6 Dec 2017, Joe Perches wrote:

> On Wed, 2017-12-06 at 15:13 +0100, Rolf Evers-Fischer wrote:
> > Hello,
> > I've just checked the file drivers/tty/serial/8250/8250_omap.c, using
> > checkpatch.pl, but I forgot the '-f' option (for file).
> >
> > Surprisingly the checkpatch script reported a misspelling:
> >
> > "WARNING: 'additionaly' may be misspelled - perhaps 'additionally'?
> > #417:
> > * We enable TRIG_GRANU for RX and TX and additionaly we set"
> >
> > Additionally it reported that the file does not appear to be a
> > unified-diff (due to my mistake).
> >
> > Running checkpatch again with '-f', it didn't report any problems:
> >
> > "drivers/tty/serial/8250/8250_omap.c has no obvious style problems and is
> > ready for submission."
> >
> > Is this a bug in checkpatch.pl? Or is it a feature?
>
> feature. kinda.
>
> checkpatch reports spelling errors in commit messages.
>
> Without the -f, checkpatch is reading its input as a
> commit message before expecting to find a diff/patch.
>
>
>
>

Thank you very much for this explanation.

Best regards,
Rolf