linux-kernel - Re: [PATCH v2 net-next] net: phy: mchp: Add 1588 support for LAN8814 Quad PHY

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Message-ID: <20201214151239.1e4d9653@kicinski-fedora-pc1c0hjn.dhcp.thefacebook.com>
Date:   Mon, 14 Dec 2020 15:12:39 -0800
From:   Jakub Kicinski <kuba@...nel.org>
To:     Divya Koppera <Divya.Koppera@...rochip.com>
Cc:     <andrew@...n.ch>, <hkallweit1@...il.com>, <linux@...linux.org.uk>,
        <davem@...emloft.net>, <marex@...x.de>, <netdev@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>, <UNGLinuxDriver@...rochip.com>
Subject: Re: [PATCH v2 net-next] net: phy: mchp: Add 1588 support for
 LAN8814 Quad PHY

On Mon, 14 Dec 2020 23:26:58 +0530 Divya Koppera wrote:
> This patch add supports for 1588 Hardware Timestamping support
> to LAN8814 Quad Phy. It supports L2 and Ipv4 encapsulations.
> 
> Signed-off-by: Divya Koppera<divya.koppera@...rochip.com>
> ---
> v1 -> v2
> * Fixed warnings
>   Reported-by: kernel test robot <lkp@...el.com>

Still doesn't build here:

In file included from ../arch/x86/include/asm/page_32.h:35,
                 from ../arch/x86/include/asm/page.h:14,
                 from ../arch/x86/include/asm/processor.h:19,
                 from ../arch/x86/include/asm/timex.h:5,
                 from ../include/linux/timex.h:65,
                 from ../include/linux/time32.h:13,
                 from ../include/linux/time.h:73,
                 from ../include/linux/stat.h:19,
                 from ../include/linux/module.h:13,
                 from ../drivers/net/phy/micrel.c:24:
In function ‘memcmp’,
    inlined from ‘lan8814_dequeue_skb’ at ../drivers/net/phy/micrel.c:460:7:
../include/linux/string.h:436:4: error: call to ‘__read_overflow2’ declared with attribute error: detected read beyond size of object passed as 2nd parameter
  436 |    __read_overflow2();
      |    ^~~~~~~~~~~~~~~~~~
make[4]: *** [drivers/net/phy/micrel.o] Error 1
make[3]: *** [drivers/net/phy] Error 2
make[3]: *** Waiting for unfinished jobs....
make[2]: *** [drivers/net] Error 2
make[2]: *** Waiting for unfinished jobs....
make[1]: *** [drivers] Error 2
make[1]: *** Waiting for unfinished jobs....
make: *** [__sub-make] Error 2
In file included from ../arch/x86/include/asm/page_32.h:35,
                 from ../arch/x86/include/asm/page.h:14,
                 from ../arch/x86/include/asm/processor.h:19,
                 from ../arch/x86/include/asm/timex.h:5,
                 from ../include/linux/timex.h:65,
                 from ../include/linux/time32.h:13,
                 from ../include/linux/time.h:73,
                 from ../include/linux/stat.h:19,
                 from ../include/linux/module.h:13,
                 from ../drivers/net/phy/micrel.c:24:
In function ‘memcmp’,
    inlined from ‘lan8814_dequeue_skb’ at ../drivers/net/phy/micrel.c:460:7:
../include/linux/string.h:436:4: error: call to ‘__read_overflow2’ declared with attribute error: detected read beyond size of object passed as 2nd parameter
  436 |    __read_overflow2();
      |    ^~~~~~~~~~~~~~~~~~
make[4]: *** [drivers/net/phy/micrel.o] Error 1
make[3]: *** [drivers/net/phy] Error 2
make[3]: *** Waiting for unfinished jobs....
make[2]: *** [drivers/net] Error 2
make[2]: *** Waiting for unfinished jobs....
make[1]: *** [drivers] Error 2
make: *** [__sub-make] Error 2