linux-kernel - Re: [PATCH 3/4] drivers/usb/host/ohci-omap3.c: test the just-initialized value

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Date:	Tue, 23 Aug 2011 13:01:26 +0300
From:	Felipe Balbi <balbi@...com>
To:	Julia Lawall <julia@...u.dk>
Cc:	Alan Stern <stern@...land.harvard.edu>,
	kernel-janitors@...r.kernel.org, Felipe Balbi <balbi@...com>,
	Greg Kroah-Hartman <gregkh@...e.de>, linux-usb@...r.kernel.org,
	linux-omap@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 3/4] drivers/usb/host/ohci-omap3.c: test the
 just-initialized value

On Mon, Aug 22, 2011 at 04:00:35PM +0200, Julia Lawall wrote:
> From: Julia Lawall <julia@...u.dk>
> 
> Test the just-initialized value rather than some other one.
> 
> The semantic match that finds this problem is as follows:
> (http://coccinelle.lip6.fr/)
> 
> // <smpl>
> @r@
> identifier x,y,f!={PTR_ERR,ERR_PTR,ERR_CAST};
> statement S;
> @@
> 
> x = f(...);
> (
> if (\(x == NULL\|IS_ERR(x)\)) S
> |
> *if (\(y == NULL\|IS_ERR(y)\))
>  { ... when != x
>    return ...; }
> )
> // </smpl>
> 
> Signed-off-by: Julia Lawall <julia@...u.dk>

applied, thanks

-- 
balbi

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