netdev - Re: [PATCH net] net: dsa: point out the tail taggers

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Date:   Fri, 16 Oct 2020 20:33:17 +0300
From:   Vladimir Oltean <olteanv@...il.com>
To:     kernel test robot <lkp@...el.com>
Cc:     Christian Eggers <ceggers@...i.de>,
        Woojung Huh <woojung.huh@...rochip.com>,
        kbuild-all@...ts.01.org,
        Microchip Linux Driver Support <UNGLinuxDriver@...rochip.com>,
        Andrew Lunn <andrew@...n.ch>,
        Vivien Didelot <vivien.didelot@...il.com>,
        Florian Fainelli <f.fainelli@...il.com>,
        "David S . Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH net] net: dsa: point out the tail taggers

On Sat, Oct 17, 2020 at 01:25:08AM +0800, kernel test robot wrote:
> Hi Christian,
>
> Thank you for the patch! Yet something to improve:
>
> [auto build test ERROR on net/master]
>
> url:    https://github.com/0day-ci/linux/commits/Christian-Eggers/net-dsa-point-out-the-tail-taggers/20201017-003007
> base:   https://git.kernel.org/pub/scm/linux/kernel/git/davem/net.git 2ecbc1f684482b4ed52447a39903bd9b0f222898
> config: xtensa-allyesconfig (attached as .config)
> compiler: xtensa-linux-gcc (GCC) 9.3.0
> reproduce (this is a W=1 build):
>         wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
>         chmod +x ~/bin/make.cross
>         # https://github.com/0day-ci/linux/commit/aaa07cad29bf365264beb2c2e2668db83ca31923
>         git remote add linux-review https://github.com/0day-ci/linux
>         git fetch --no-tags linux-review Christian-Eggers/net-dsa-point-out-the-tail-taggers/20201017-003007
>         git checkout aaa07cad29bf365264beb2c2e2668db83ca31923
>         # save the attached .config to linux build tree
>         COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=xtensa
>
> If you fix the issue, kindly add following tag as appropriate
> Reported-by: kernel test robot <lkp@...el.com>
>
> All error/warnings (new ones prefixed by >>):
>
> >> net/dsa/tag_ksz.c:126:3: error: 'const struct dsa_device_ops' has no member named 'tail_tag'
>      126 |  .tail_tag = true,
>          |   ^~~~~~~~
> >> net/dsa/tag_ksz.c:126:14: warning: initialization of 'const char *' from 'int' makes pointer from integer without a cast [-Wint-conversion]
>      126 |  .tail_tag = true,
>          |              ^~~~
>    net/dsa/tag_ksz.c:126:14: note: (near initialization for 'ksz8795_netdev_ops.name')
> >> net/dsa/tag_ksz.c:126:14: warning: initialized field overwritten [-Woverride-init]
>    net/dsa/tag_ksz.c:126:14: note: (near initialization for 'ksz8795_netdev_ops.name')
>    net/dsa/tag_ksz.c:203:3: error: 'const struct dsa_device_ops' has no member named 'tail_tag'
>      203 |  .tail_tag = true,
>          |   ^~~~~~~~
>    net/dsa/tag_ksz.c:203:14: warning: initialization of 'const char *' from 'int' makes pointer from integer without a cast [-Wint-conversion]
>      203 |  .tail_tag = true,
>          |              ^~~~
>    net/dsa/tag_ksz.c:203:14: note: (near initialization for 'ksz9477_netdev_ops.name')
>    net/dsa/tag_ksz.c:203:14: warning: initialized field overwritten [-Woverride-init]
>    net/dsa/tag_ksz.c:203:14: note: (near initialization for 'ksz9477_netdev_ops.name')
>
> vim +126 net/dsa/tag_ksz.c
>
>    119
>    120	static const struct dsa_device_ops ksz8795_netdev_ops = {
>    121		.name	= "ksz8795",
>    122		.proto	= DSA_TAG_PROTO_KSZ8795,
>    123		.xmit	= ksz8795_xmit,
>    124		.rcv	= ksz8795_rcv,
>    125		.overhead = KSZ_INGRESS_TAG_LEN,
>  > 126		.tail_tag = true,
>    127	};
>    128
>
> ---
> 0-DAY CI Kernel Test Service, Intel Corporation
> https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org

Is the test bot being a bit "slow" today?
https://git.kernel.org/pub/scm/linux/kernel/git/netdev/net.git/tree/include/net/dsa.h#n93?id=2ecbc1f684482b4ed52447a39903bd9b0f222898