Re: [PATCH v1 2/8] drivers: net: stmmac_main: fix vlan toggle option.

[kernel test robot <lkp@intel.com>]

Hi Boon,

Thank you for the patch! Yet something to improve:

[auto build test ERROR on net-next/main]
[also build test ERROR on net/main linus/master v6.3-rc4 next-20230330]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch#_base_tree_information]

url:    https://github.com/intel-lab-lkp/linux/commits/Boon-Khai-Ng/drivers-net-stmmac_main-Add-support-for-HW-accelerated-VLAN-Stripping/20230330-150648
patch link:    https://lore.kernel.org/r/20230330070305.18808-1-boon.khai.ng%40intel.com
patch subject: [PATCH v1 2/8] drivers: net: stmmac_main: fix vlan toggle option.
config: x86_64-randconfig-a016 (https://download.01.org/0day-ci/archive/20230330/202303301902.TxsoXxWD-lkp@intel.com/config)
compiler: clang version 14.0.6 (https://github.com/llvm/llvm-project f28c006a5895fc0e329fe15fead81e37457cb1d1)
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/intel-lab-lkp/linux/commit/fb80bd4d4331439d42a4c555121e4bc27ddcd16f
        git remote add linux-review https://github.com/intel-lab-lkp/linux
        git fetch --no-tags linux-review Boon-Khai-Ng/drivers-net-stmmac_main-Add-support-for-HW-accelerated-VLAN-Stripping/20230330-150648
        git checkout fb80bd4d4331439d42a4c555121e4bc27ddcd16f
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=x86_64 olddefconfig
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=x86_64 SHELL=/bin/bash drivers/net/

If you fix the issue, kindly add following tag where applicable
| Reported-by: kernel test robot <lkp@intel.com>
| Link: https://lore.kernel.org/oe-kbuild-all/202303301902.TxsoXxWD-lkp@intel.com/

All errors (new ones prefixed by >>):

>> drivers/net/ethernet/stmicro/stmmac/stmmac_main.c:5687:2: error: non-void function does not return a value [-Werror,-Wreturn-type]
           }
           ^
>> drivers/net/ethernet/stmicro/stmmac/stmmac_main.c:5689:2: error: expected identifier or '('
           return 0;
           ^
>> drivers/net/ethernet/stmicro/stmmac/stmmac_main.c:5690:1: error: extraneous closing brace ('}')
   }
   ^
   3 errors generated.


vim +5687 drivers/net/ethernet/stmicro/stmmac/stmmac_main.c

  5656	
  5657	static int stmmac_set_features(struct net_device *netdev,
  5658				       netdev_features_t features)
  5659	{
  5660		struct stmmac_priv *priv = netdev_priv(netdev);
  5661	
  5662		netdev_features_t changed;
  5663	
  5664		changed = netdev->features ^ features;
  5665	
  5666		/* Keep the COE Type in case of csum is supporting */
  5667		if (features & NETIF_F_RXCSUM)
  5668			priv->hw->rx_csum = priv->plat->rx_coe;
  5669		else
  5670			priv->hw->rx_csum = 0;
  5671		/* No check needed because rx_coe has been set before and it will be
  5672		 * fixed in case of issue.
  5673		 */
  5674		stmmac_rx_ipc(priv, priv->hw);
  5675	
  5676		if (priv->sph_cap) {
  5677			bool sph_en = (priv->hw->rx_csum > 0) && priv->sph;
  5678			u32 chan;
  5679	
  5680			for (chan = 0; chan < priv->plat->rx_queues_to_use; chan++)
  5681				stmmac_enable_sph(priv, priv->ioaddr, sph_en, chan);
  5682		}
  5683	
  5684		if (changed & NETIF_F_HW_VLAN_CTAG_RX)
  5685			stmmac_set_hw_vlan_mode(priv, priv->ioaddr, features);
  5686			priv->plat->use_hw_vlan = features & NETIF_F_HW_VLAN_CTAG_RX;
> 5687		}
  5688	
> 5689		return 0;
> 5690	}
  5691	

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https://github.com/intel/lkp-tests