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Message-ID: <202304172250.WOCLE8lZ-lkp@intel.com>
Date:   Mon, 17 Apr 2023 22:16:52 +0800
From:   kernel test robot <lkp@...el.com>
To:     Oleksij Rempel <o.rempel@...gutronix.de>,
        "David S. Miller" <davem@...emloft.net>,
        Andrew Lunn <andrew@...n.ch>,
        Eric Dumazet <edumazet@...gle.com>,
        Florian Fainelli <f.fainelli@...il.com>,
        Jakub Kicinski <kuba@...nel.org>,
        Paolo Abeni <pabeni@...hat.com>,
        Vladimir Oltean <olteanv@...il.com>,
        Woojung Huh <woojung.huh@...rochip.com>,
        Arun Ramadoss <arun.ramadoss@...rochip.com>
Cc:     llvm@...ts.linux.dev, oe-kbuild-all@...ts.linux.dev,
        netdev@...r.kernel.org, Oleksij Rempel <o.rempel@...gutronix.de>,
        kernel@...gutronix.de, linux-kernel@...r.kernel.org,
        UNGLinuxDriver@...rochip.com
Subject: Re: [PATCH net-next v1 2/2] net: dsa: microchip: Add partial ACL
 support for ksz9477 switches

Hi Oleksij,

kernel test robot noticed the following build warnings:

[auto build test WARNING on net-next/main]

url:    https://github.com/intel-lab-lkp/linux/commits/Oleksij-Rempel/net-dsa-microchip-rework-ksz_prmw8/20230412-012709
patch link:    https://lore.kernel.org/r/20230411172456.3003003-3-o.rempel%40pengutronix.de
patch subject: [PATCH net-next v1 2/2] net: dsa: microchip: Add partial ACL support for ksz9477 switches
config: x86_64-randconfig-a011-20230417 (https://download.01.org/0day-ci/archive/20230417/202304172250.WOCLE8lZ-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/a25d395c637a31cbf5c2188bf8f8475d4bdeeee8
        git remote add linux-review https://github.com/intel-lab-lkp/linux
        git fetch --no-tags linux-review Oleksij-Rempel/net-dsa-microchip-rework-ksz_prmw8/20230412-012709
        git checkout a25d395c637a31cbf5c2188bf8f8475d4bdeeee8
        # 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/dsa/microchip/

If you fix the issue, kindly add following tag where applicable
| Reported-by: kernel test robot <lkp@...el.com>
| Link: https://lore.kernel.org/oe-kbuild-all/202304172250.WOCLE8lZ-lkp@intel.com/

All warnings (new ones prefixed by >>):

>> drivers/net/dsa/microchip/ksz9477_acl.c:622:27: warning: no previous prototype for function 'ksz9477_acl_get_init_entry' [-Wmissing-prototypes]
   struct ksz9477_acl_entry *ksz9477_acl_get_init_entry(struct ksz_device *dev,
                             ^
   drivers/net/dsa/microchip/ksz9477_acl.c:622:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
   struct ksz9477_acl_entry *ksz9477_acl_get_init_entry(struct ksz_device *dev,
   ^
   static 
>> drivers/net/dsa/microchip/ksz9477_acl.c:887:28: warning: variable 'entry' set but not used [-Wunused-but-set-variable]
           struct ksz9477_acl_entry *entry;
                                     ^
   2 warnings generated.


vim +/ksz9477_acl_get_init_entry +622 drivers/net/dsa/microchip/ksz9477_acl.c

   609	
   610	/**
   611	 * ksz9477_acl_get_init_entry - Get a new uninitialized entry for a specified
   612	 *				port on a ksz_device.
   613	 * @dev: The ksz_device instance.
   614	 * @port: The port number to get the uninitialized entry for.
   615	 *
   616	 * This function retrieves the next available ACL entry for the specified port,
   617	 * clears all access flags, and associates it with the current cookie.
   618	 *
   619	 * Returns: A pointer to the new uninitialized ACL entry.
   620	 */
   621	
 > 622	struct ksz9477_acl_entry *ksz9477_acl_get_init_entry(struct ksz_device *dev,
   623							     int port)
   624	{
   625		struct ksz9477_acl_priv *acl = dev->ports[port].acl_priv;
   626		struct ksz9477_acl_entries *acles = &acl->acles;
   627		struct ksz9477_acl_entry *entry;
   628	
   629		entry = &acles->entries[acles->entries_count];
   630		entry->cookie = acl->current_cookie;
   631	
   632		/* clear all access flags */
   633		entry->entry[KSZ9477_ACL_PORT_ACCESS_10] = 0;
   634		entry->entry[KSZ9477_ACL_PORT_ACCESS_11] = 0;
   635	
   636		return entry;
   637	}
   638	

-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests

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