Hi Pintu,
On Mon, Jun 10, 2013 at 11:49:00AM -0700, PINTU KUMAR wrote:
> >________________________________
> > From: anish singh <anish198519851...@gmail.com>
> >To: PINTU KUMAR <pintu_agar...@yahoo.com>
> >Cc: "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>;
> >"linux...@kvack.org" <linux...@kvack.org>
> >Sent: Sunday, 9 June 2013 10:58 PM
> >Subject: Re: [checkpatch] - Confusion
> >
> >
> >On Mon, Jun 10, 2013 at 11:21 AM, PINTU KUMAR <pintu_agar...@yahoo.com>
> >wrote:
> >> Hi,
> >>
> >> I wanted to submit my first patch.
> >> But I have some confusion about the /scripts/checkpatch.pl errors.
> >>
> >> After correcting some checkpatch errors, when I run checkpatch.pl, it
> >> showed me 0 errors.
> >> But when I create patches are git format-patch, it is showing me 1 error.
> >did you run the checkpatch.pl on the file which gets created
> >after git format-patch?
> >If yes, then I think it is not necessary.You can use git-am to apply
> >your own patch on a undisturbed file and if it applies properly then
> >you are good to go i.e. you can send your patch.
>
> Yes, first I ran checkpatch directly on the file(mm/page_alloc.c) and fixed
> all the errors.
> It showed me (0) errors.
> Then I created a patch using _git format-patch_ and ran checkpatch again on
> the created patch.
> But now it is showing me 1 error.
> According to me this error is false positive (irrelevant), because I did not
> change anything related to the error and also the similar change already
> exists somewhere else too.
> Do you mean, shall I go ahead and submit the patch with this 1 error??
> ERROR: need consistent spacing around '*' (ctx:WxV)
>
> #153: FILE: mm/page_alloc.c:5476:
> +int min_free_kbytes_sysctl_handler(ctl_table *table, int write,
Rather a shot into the dark, but it looks like checkpatch is
misinterpreting 'ctl_table' as an arithmetic operand instead of a type.
I don't know how checkpatch learns about types created by typedefs, but
my guess is, that this line
typedef struct ctl_table ctl_table; (include/linux/sysctl.h)
is not correctly picked up by checkpatch.
So, I assume this actually is a false positive.
Sören
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