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From: Andy Whitcroft <apw@canonical.com>
To: Joe Perches <joe@perches.com>
Cc: Constantine Shulyupin <const@MakeLinux.com>,
	linux-kernel@vger.kernel.org, gregkh@linuxfoundation.org
Subject: Re: [PATCH v4] checkpatch: debugfs_remove() can take NULL
Date: Tue, 20 Nov 2012 14:47:42 +0000	[thread overview]
Message-ID: <20121120144742.GG7955@dm> (raw)
In-Reply-To: <1353422629.11235.10.camel@joe-AO722>

On Tue, Nov 20, 2012 at 06:43:49AM -0800, Joe Perches wrote:
> On Tue, 2012-11-20 at 14:29 +0000, Andy Whitcroft wrote:
> 
> > This all looks sensible, though we still have three blocks doing the
> > same thing.  How about we standardise this check into a single check,
> > generating the capacity from the matched name.
> []
> > diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl
> []
> > +			if ($line =~ /\b(kfree|usb_free_urb|debugfs_remove(?:_recursive)?)$expr/) {
> > +				my $func = $1;
> > +				my $func_capacity = "NEEDLESS_$1";
> > +
> > +				$func_capacity =~ s/(.$)/\U$1\E/;
> > +
> > +				WARN($func_capacity,
> > +				     "$func(NULL) is safe this check is probably not required\n" . $hereprev);
> 
> Perhaps just
> 				WARN("NEEDLESS_IF",

I would cirtainly be happy with that, I was trying to avoid changing the
capacity for the existing NEEDLESS_KFREE.  If compatibility there isn't
an issue then that makes life even simpler.

-apw

  reply	other threads:[~2012-11-20 14:47 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-11-17 22:20 [PATCH v4] checkpatch: debugfs_remove() can take NULL Constantine Shulyupin
2012-11-20 14:29 ` Andy Whitcroft
2012-11-20 14:43   ` Joe Perches
2012-11-20 14:47     ` Andy Whitcroft [this message]
2012-11-20 14:50       ` Constantine Shulyupin
2012-11-20 14:58         ` Joe Perches
2012-11-20 15:10           ` Constantine Shulyupin
2012-11-20 15:22             ` Andy Whitcroft
2012-11-20 20:57               ` [PATCH] checkpatch: Allow control over line length warning, default remains 80 Joe Perches
2012-11-20 15:37           ` [PATCH] checkpatch: consolidate if (foo) bar(foo) checks and add debugfs_remove Andy Whitcroft
2012-11-20 15:51             ` Joe Perches
2012-11-20 16:39               ` Andy Whitcroft
2012-11-20 18:37                 ` Joe Perches
2012-11-20 19:17                   ` [PATCH V2] " Andy Whitcroft

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