linux-kernel - Re: BusLogic check

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Message-ID: <20070213011450.GA19511@havoc.gtf.org>
Date:	Mon, 12 Feb 2007 20:14:50 -0500
From:	Jeff Garzik <jeff@...zik.org>
To:	Michael Clay <claym@...osl.org>
Cc:	linux-kernel@...r.kernel.org, trivial@...nel.org
Subject: Re: BusLogic check_region patch

On Mon, Feb 12, 2007 at 04:27:04PM -0800, Michael Clay wrote:
> This patch is meant to remove the calls to check_region, a now
> deprecated function in order to get rid of compilation warning.  This
> was done by finding all calls to check_region and replacing them with
> calls to request_region.  check_region essentially was a wrapper around
> request_region, and was checking if the request_region returned a
> pointer or null.  As a result, I simply inlined the process of checking
> for null, eliminating the need to call the check_region wrapper.

Yes, but what happens when half the request_region() calls succeed, and
the other half fail?

You cannot simply substitute check_region with request_region.

	Jeff



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