linux-kernel - Re: [patch 20/20] XEN-paravirt: Add Xen virtual block device driver.

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Message-ID: <20070114112412.GA32719@rhun.haifa.ibm.com>
Date:	Sun, 14 Jan 2007 13:24:12 +0200
From:	Muli Ben-Yehuda <muli@...ibm.com>
To:	Jan Engelhardt <jengelh@...ux01.gwdg.de>
Cc:	Jeremy Fitzhardinge <jeremy@...p.org>,
	Andrew Morton <akpm@...l.org>, linux-kernel@...r.kernel.org,
	virtualization@...ts.osdl.org, xen-devel@...ts.xensource.com,
	Ian Pratt <ian.pratt@...source.com>,
	Christian Limpach <Christian.Limpach@...cam.ac.uk>,
	Chris Wright <chrisw@...s-sol.org>
Subject: Re: [patch 20/20] XEN-paravirt: Add Xen virtual block device driver.

On Sun, Jan 14, 2007 at 12:05:13PM +0100, Jan Engelhardt wrote:

> >+	(void)xenbus_switch_state(info->xbdev, XenbusStateConnected);
> 
> Cast remove, if xenbus_switch_state does not have __must_check.
> Also elsewhere.

Hmm, why? this way you know that the programmer isn't checking the
return value *on purpose*. More information is good.

Cheers,
Muli
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