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Date:   Wed, 26 Aug 2020 06:59:07 +0800
From:   kernel test robot <lkp@...el.com>
To:     Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
        Andrew Lunn <andrew@...n.ch>,
        Florian Fainelli <f.fainelli@...il.com>,
        Heiner Kallweit <hkallweit1@...il.com>, netdev@...r.kernel.org,
        Russell King <linux@...linux.org.uk>
Cc:     kbuild-all@...ts.01.org, clang-built-linux@...glegroups.com,
        Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
Subject: Re: [PATCH v1] net: phy: leds: Deduplicate link LED trigger
 registration

Hi Andy,

I love your patch! Yet something to improve:

[auto build test ERROR on linus/master]
[also build test ERROR on v5.9-rc2 next-20200825]
[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]

url:    https://github.com/0day-ci/linux/commits/Andy-Shevchenko/net-phy-leds-Deduplicate-link-LED-trigger-registration/20200825-011159
base:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git d012a7190fc1fd72ed48911e77ca97ba4521bccd
config: x86_64-randconfig-a003-20200826 (attached as .config)
compiler: clang version 12.0.0 (https://github.com/llvm/llvm-project 77e5a195f818b9ace91f7b12ab948b21d7918238)
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
        # install x86_64 cross compiling tool for clang build
        # apt-get install binutils-x86-64-linux-gnu
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=x86_64 

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@...el.com>

All errors (new ones prefixed by >>):

>> drivers/net/phy/phy_led_triggers.c:102:38: error: incompatible pointer types passing 'struct phy_led_trigger **' to parameter of type 'struct phy_led_trigger *'; remove & [-Werror,-Wincompatible-pointer-types]
           err = phy_led_trigger_register(phy, &phy->led_link_trigger, 0, "link");
                                               ^~~~~~~~~~~~~~~~~~~~~~
   drivers/net/phy/phy_led_triggers.c:68:33: note: passing argument to parameter 'plt' here
                                       struct phy_led_trigger *plt,
                                                               ^
   1 error generated.

# https://github.com/0day-ci/linux/commit/13a3d33899e0fe9212a1625d7c9daff466272f28
git remote add linux-review https://github.com/0day-ci/linux
git fetch --no-tags linux-review Andy-Shevchenko/net-phy-leds-Deduplicate-link-LED-trigger-registration/20200825-011159
git checkout 13a3d33899e0fe9212a1625d7c9daff466272f28
vim +102 drivers/net/phy/phy_led_triggers.c

    83	
    84	int phy_led_triggers_register(struct phy_device *phy)
    85	{
    86		int i, err;
    87		unsigned int speeds[50];
    88	
    89		phy->phy_num_led_triggers = phy_supported_speeds(phy, speeds,
    90								 ARRAY_SIZE(speeds));
    91		if (!phy->phy_num_led_triggers)
    92			return 0;
    93	
    94		phy->led_link_trigger = devm_kzalloc(&phy->mdio.dev,
    95						     sizeof(*phy->led_link_trigger),
    96						     GFP_KERNEL);
    97		if (!phy->led_link_trigger) {
    98			err = -ENOMEM;
    99			goto out_clear;
   100		}
   101	
 > 102		err = phy_led_trigger_register(phy, &phy->led_link_trigger, 0, "link");
   103		if (err)
   104			goto out_free_link;
   105	
   106		phy->phy_led_triggers = devm_kcalloc(&phy->mdio.dev,
   107						    phy->phy_num_led_triggers,
   108						    sizeof(struct phy_led_trigger),
   109						    GFP_KERNEL);
   110		if (!phy->phy_led_triggers) {
   111			err = -ENOMEM;
   112			goto out_unreg_link;
   113		}
   114	
   115		for (i = 0; i < phy->phy_num_led_triggers; i++) {
   116			err = phy_led_trigger_register(phy, &phy->phy_led_triggers[i],
   117						       speeds[i], phy_speed_to_str(speeds[i]));
   118			if (err)
   119				goto out_unreg;
   120		}
   121	
   122		phy->last_triggered = NULL;
   123		phy_led_trigger_change_speed(phy);
   124	
   125		return 0;
   126	out_unreg:
   127		while (i--)
   128			phy_led_trigger_unregister(&phy->phy_led_triggers[i]);
   129		devm_kfree(&phy->mdio.dev, phy->phy_led_triggers);
   130	out_unreg_link:
   131		phy_led_trigger_unregister(phy->led_link_trigger);
   132	out_free_link:
   133		devm_kfree(&phy->mdio.dev, phy->led_link_trigger);
   134		phy->led_link_trigger = NULL;
   135	out_clear:
   136		phy->phy_num_led_triggers = 0;
   137		return err;
   138	}
   139	EXPORT_SYMBOL_GPL(phy_led_triggers_register);
   140	

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org

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