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Date:   Mon, 8 May 2023 00:47:36 +0800
From:   kernel test robot <lkp@intel.com>
To:     jack1989s@gmail.com, perex@perex.cz, tiwai@suse.com
Cc:     oe-kbuild-all@lists.linux.dev, alsa-devel@alsa-project.org,
        linux-kernel@vger.kernel.org,
        Federico Di Lembo <jack1989s@gmail.com>
Subject: Re: [PATCH] Sound:last.c: fix code syle trailing white space -
 modify printk()->netdev_dbg() - Possible unnecessary KERN_INFO removed
Message-ID: <202305080037.fiQIAfoP-lkp@intel.com>
References: <20230507130021.48112-1-jack1989s@gmail.com>
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In-Reply-To: <20230507130021.48112-1-jack1989s@gmail.com>
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Hi,

kernel test robot noticed the following build errors:

[auto build test ERROR on tiwai-sound/for-next]
[also build test ERROR on tiwai-sound/for-linus linus/master v6.3 next-20230505]
[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/jack1989s-gmail-com/Sound-last-c-fix-code-syle-trailing-white-space-modify-printk-netdev_dbg-Possible-unnecessary-KERN_INFO-removed/20230507-210152
base:   https://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound.git for-next
patch link:    https://lore.kernel.org/r/20230507130021.48112-1-jack1989s%40gmail.com
patch subject: [PATCH] Sound:last.c: fix code syle trailing white space - modify printk()->netdev_dbg() - Possible unnecessary KERN_INFO removed
config: x86_64-kexec (https://download.01.org/0day-ci/archive/20230508/202305080037.fiQIAfoP-lkp@intel.com/config)
compiler: gcc-11 (Debian 11.3.0-12) 11.3.0
reproduce (this is a W=1 build):
        # https://github.com/intel-lab-lkp/linux/commit/467a3e6b911964a967ad7ce544c4426e4d95b14f
        git remote add linux-review https://github.com/intel-lab-lkp/linux
        git fetch --no-tags linux-review jack1989s-gmail-com/Sound-last-c-fix-code-syle-trailing-white-space-modify-printk-netdev_dbg-Possible-unnecessary-KERN_INFO-removed/20230507-210152
        git checkout 467a3e6b911964a967ad7ce544c4426e4d95b14f
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        make W=1 O=build_dir ARCH=x86_64 olddefconfig
        make W=1 O=build_dir ARCH=x86_64 SHELL=/bin/bash

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/202305080037.fiQIAfoP-lkp@intel.com/

All errors (new ones prefixed by >>):

   sound/last.c: In function 'alsa_sound_last_init':
>> sound/last.c:15:9: error: implicit declaration of function 'netdev_dbg'; did you mean 'dev_dbg'? [-Werror=implicit-function-declaration]
      15 |         netdev_dbg("ALSA device list:\n");
         |         ^~~~~~~~~~
         |         dev_dbg
   cc1: some warnings being treated as errors


vim +15 sound/last.c

     9	
    10	static int __init alsa_sound_last_init(void)
    11	{
    12		struct snd_card *card;
    13		int idx, ok = 0;
    14	
  > 15		netdev_dbg("ALSA device list:\n");
    16		for (idx = 0; idx < SNDRV_CARDS; idx++) {
    17			card = snd_card_ref(idx);
    18			if (card) {
    19				netdev_dbg("  #%i: %s\n", idx, card->longname);
    20				snd_card_unref(card);
    21				ok++;
    22			}
    23		}
    24		if (ok == 0)
    25			netdev_dbg("  No soundcards found.\n");
    26		return 0;
    27	}
    28	

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