linux-kernel - Re: [PATCH 10/15] ARM: orion5x: cleanup cppcheck shifting errors

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <20190623152319.GD28942@lunn.ch>
Date:   Sun, 23 Jun 2019 17:23:19 +0200
From:   Andrew Lunn <andrew@...n.ch>
To:     Phong Tran <tranmanphong@...il.com>
Cc:     mark.rutland@....com, kstewart@...uxfoundation.org,
        songliubraving@...com, peterz@...radead.org, nsekhar@...com,
        ast@...nel.org, jolsa@...hat.com, netdev@...r.kernel.org,
        gerg@...inux.org, lorenzo.pieralisi@....com, will@...nel.org,
        linux-samsung-soc@...r.kernel.org, daniel@...earbox.net,
        festevam@...il.com, gregory.clement@...tlin.com,
        allison@...utok.net, linux@...linux.org.uk, krzk@...nel.org,
        haojian.zhuang@...il.com, bgolaszewski@...libre.com,
        tony@...mide.com, mingo@...hat.com, linux-imx@....com, yhs@...com,
        sebastian.hesselbarth@...il.com, illusionist.neo@...il.com,
        jason@...edaemon.net, liviu.dudau@....com, s.hauer@...gutronix.de,
        acme@...nel.org, lkundrak@...sk, robert.jarzmik@...e.fr,
        dmg@...ingmachine.org, swinslow@...il.com, namhyung@...nel.org,
        tglx@...utronix.de, linux-omap@...r.kernel.org,
        alexander.sverdlin@...il.com, linux-arm-kernel@...ts.infradead.org,
        info@...ux.net, gregkh@...uxfoundation.org,
        linux-kernel@...r.kernel.org, alexander.shishkin@...ux.intel.com,
        hsweeten@...ionengravers.com, kgene@...nel.org,
        kernel@...gutronix.de, sudeep.holla@....com, bpf@...r.kernel.org,
        shawnguo@...nel.org, kafai@...com, daniel@...que.org
Subject: Re: [PATCH 10/15] ARM: orion5x: cleanup cppcheck shifting errors

On Sun, Jun 23, 2019 at 10:13:08PM +0700, Phong Tran wrote:
> [arch/arm/mach-orion5x/pci.c:281]: (error) Shifting signed 32-bit value
> by 31 bits is undefined behaviour
> [arch/arm/mach-orion5x/pci.c:305]: (error) Shifting signed 32-bit value
> by 31 bits is undefined behaviour
> 
> Signed-off-by: Phong Tran <tranmanphong@...il.com>

Maybe using the BIT() macro would be better, but this is O.K.

Reviewed-by: Andrew Lunn <andrew@...n.ch>

    Andrew