linux-kernel - Re: [PATCH] tg3: fix array subscript out of bounds compilation error

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Message-ID: <CACKFLikifw2my5Dgs5v=f4mgtAE2qLU6HEM6A=Jhdn2JT2ybuA@mail.gmail.com>
Date:   Fri, 21 Jul 2023 18:17:23 -0700
From:   Michael Chan <michael.chan@...adcom.com>
To:     Carlos Bilbao <carlos.bilbao@....com>
Cc:     Jakub Kicinski <kuba@...nel.org>,
        Kuniyuki Iwashima <kuniyu@...zon.com>, davem@...emloft.net,
        edumazet@...gle.com, linux-kernel@...r.kernel.org,
        mchan@...adcom.com, netdev@...r.kernel.org, pabeni@...hat.com,
        prashant@...adcom.com, siva.kallam@...adcom.com
Subject: Re: [PATCH] tg3: fix array subscript out of bounds compilation error

On Fri, Jul 21, 2023 at 3:45 PM Carlos Bilbao <carlos.bilbao@....com> wrote:
>
> On 7/18/23 9:54 PM, Jakub Kicinski wrote:
> > On Tue, 18 Jul 2023 10:52:39 -0500 Carlos Bilbao wrote:
> >>>> Fix encountered compilation error in tg3.c where an array subscript was
> >>>
> >>> What is the error ?
> >>
> >> drivers/net/ethernet/broadcom/tg3.c: In function ‘tg3_init_one’:
> >
> > What compiler are you using? Any extra flags?
>
> GCC version 13.1.1. No special flags.
>

I've reviewed the driver code.  tp->irq_max is always properly
initialized to 1 or TG3_IRQ_MAX_VECS.  So this gcc warning seems
bogus.

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