linux-kernel - RE: [PATCH 9/10] IB/qib: use safer test on the result of find_first_zero

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Message-ID: <alpine.DEB.2.02.1406042118420.1977@localhost6.localdomain6>
Date:	Wed, 4 Jun 2014 21:19:13 +0200 (CEST)
From:	Julia Lawall <julia.lawall@...6.fr>
To:	"Marciniszyn, Mike" <mike.marciniszyn@...el.com>
cc:	Julia Lawall <Julia.Lawall@...6.fr>,
	infinipath <infinipath@...el.com>,
	"kernel-janitors@...r.kernel.org" <kernel-janitors@...r.kernel.org>,
	Roland Dreier <roland@...nel.org>,
	"Hefty, Sean" <sean.hefty@...el.com>,
	Hal Rosenstock <hal.rosenstock@...il.com>,
	"linux-rdma@...r.kernel.org" <linux-rdma@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: RE: [PATCH 9/10] IB/qib: use safer test on the result of
 find_first_zero_bit

On Wed, 4 Jun 2014, Marciniszyn, Mike wrote:

> > Subject: [PATCH 9/10] IB/qib: use safer test on the result of find_first_zero_bit
> > 
> > From: Julia Lawall <Julia.Lawall@...6.fr>
> 
> Thanks for the patch!
> 
> Roland, I'm marking this as stable since a memory corruption can occur in the _set_bit().

No, it's not necessary.  It turns out that the result cannot be greater 
than the requested maximum value.

julia
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