From: Joe Perches <joe@perches.com>
To: Julia Lawall <julia@diku.dk>
Cc: H Hartley Sweeten <hartleys@visionengravers.com>,
cocci <cocci@diku.dk>,
vinod.koul@intel.com, dan.j.williams@intel.com,
Linux Kernel <linux-kernel@vger.kernel.org>
Subject: Re: [Cocci] [RFC] Convert "resource->end - resource->start + 1" to resource_size(resource) via coccinelle
Date: Mon, 06 Jun 2011 22:32:18 -0700 [thread overview]
Message-ID: <1307424738.1651.7.camel@Joe-Laptop> (raw)
In-Reply-To: <Pine.LNX.4.64.1106070706000.18329@ask.diku.dk>
On Tue, 2011-06-07 at 07:07 +0200, Julia Lawall wrote:
> On Mon, 6 Jun 2011, Joe Perches wrote:
> > Perhaps do a treewide update via:
> > $ cat resource.cocci
> > @@
> > struct resource *ptr;
> > @@
> > - ptr->end - ptr->start + 1
> > + resource_size(ptr)
> > $ spatch -sp_file resource.cocci linux-2.6/
> There might be some cases that have the +1 in a different place, or that
> have some parentheses.
> I suspect that a lot of these non-uses of resource_size still exist.
True enough.
Cocci already handles the parens case
"(foo->end-foo->start)+1"
There are some uses of end+1-start and
1+end-start that weren't converted by
the patch I sent.
next prev parent reply other threads:[~2011-06-07 5:32 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-06-06 20:49 [PATCH] dma: mv_xor: use resource_size() H Hartley Sweeten
2011-06-06 21:52 ` [RFC] Convert "resource->end - resource->start + 1" to resource_size(resource) via coccinelle Joe Perches
2011-06-06 21:57 ` H Hartley Sweeten
2011-06-07 1:04 ` [PATCH] treewide: Convert uses of struct resource * to resource_size(ptr) Joe Perches
2011-06-07 1:26 ` Mike Frysinger
2011-06-07 16:31 ` H Hartley Sweeten
2011-06-07 18:27 ` H Hartley Sweeten
2011-06-07 18:35 ` Joe Perches
2011-06-07 21:29 ` [TRIVIAL PATCH v2] treewide: Convert uses of struct resource " Joe Perches
2011-06-09 12:25 ` Jiri Kosina
2011-06-09 16:09 ` Joe Perches
2011-06-07 5:07 ` [Cocci] [RFC] Convert "resource->end - resource->start + 1" to resource_size(resource) via coccinelle Julia Lawall
2011-06-07 5:32 ` Joe Perches [this message]
2011-06-07 5:42 ` Julia Lawall
2011-06-07 7:42 ` Joe Perches
2011-07-13 22:02 ` [PATCH] dma: mv_xor: use resource_size() Koul, Vinod
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