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Message-ID: <20230827195308.GX3523530@kernel.org>
Date: Sun, 27 Aug 2023 21:53:08 +0200
From: Simon Horman <horms@...nel.org>
To: Michael Chan <michael.chan@...adcom.com>
Cc: Mikhail Kobuk <m.kobuk@...ras.ru>,
Siva Reddy Kallam <siva.kallam@...adcom.com>,
Prashant Sreedharan <prashant@...adcom.com>,
Michael Chan <mchan@...adcom.com>,
"David S. Miller" <davem@...emloft.net>,
Eric Dumazet <edumazet@...gle.com>,
Jakub Kicinski <kuba@...nel.org>,
Paolo Abeni <pabeni@...hat.com>,
Richard Cochran <richardcochran@...il.com>,
Jean Delvare <jdelvare@...e.com>,
Guenter Roeck <linux@...ck-us.net>, netdev@...r.kernel.org,
linux-kernel@...r.kernel.org, linux-hwmon@...r.kernel.org,
lvc-project@...uxtesting.org,
Alexey Khoroshilov <khoroshilov@...ras.ru>
Subject: Re: [PATCH] ethernet: tg3: remove unreachable code
On Sun, Aug 27, 2023 at 10:29:37AM -0700, Michael Chan wrote:
> On Sun, Aug 27, 2023 at 9:51 AM Simon Horman <horms@...nel.org> wrote:
> >
> > On Fri, Aug 25, 2023 at 10:04:41PM +0300, Mikhail Kobuk wrote:
> >
> > + Matt Carlson <mcarlson@...adcom.com>
>
> Matt Carlson is no longer working for Broadcom.
Thanks, got it.
> > > 'tp->irq_max' value is either 1 [L16336] or 5 [L16354], as indicated in
> > > tg3_get_invariants(). Therefore, 'i' can't exceed 4 in tg3_init_one()
> > > that makes (i <= 4) always true. Moreover, 'intmbx' value set at the
> > > last iteration is not used later in it's scope.
> > >
> > > Found by Linux Verification Center (linuxtesting.org) with SVACE.
> > >
> > > Fixes: 78f90dcf184b ("tg3: Move napi_add calls below tg3_get_invariants")
> > > Signed-off-by: Mikhail Kobuk <m.kobuk@...ras.ru>
> > > Reviewed-by: Alexey Khoroshilov <khoroshilov@...ras.ru>
>
> Reviewed-by: Michael Chan <michael.chan@...adcom.com>
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