linux-kernel - sound/soc/codecs/tas2781-i2c.c:255:26-27: WARNING opportunity for min() (fwd)

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Date: Tue, 2 Jan 2024 13:55:38 +0100 (CET)
From: Julia Lawall <julia.lawall@...ia.fr>
To: Shenghao Ding <13916275206@....com>, Mark Brown <broonie@...nel.org>
cc: linux-kernel@...r.kernel.org, oe-kbuild-all@...ts.linux.dev
Subject: sound/soc/codecs/tas2781-i2c.c:255:26-27: WARNING opportunity for
 min() (fwd)



---------- Forwarded message ----------
Date: Tue, 2 Jan 2024 19:53:21 +0800
From: kernel test robot <lkp@...el.com>
To: oe-kbuild@...ts.linux.dev
Cc: lkp@...el.com, Julia Lawall <julia.lawall@...ia.fr>
Subject: sound/soc/codecs/tas2781-i2c.c:255:26-27: WARNING opportunity for min()

BCC: lkp@...el.com
CC: oe-kbuild-all@...ts.linux.dev
CC: linux-kernel@...r.kernel.org
TO: Shenghao Ding <13916275206@....com>
CC: Mark Brown <broonie@...nel.org>

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   610a9b8f49fbcf1100716370d3b5f6f884a2835a
commit: ef3bcde75d06d65f78ba38a30d5a87fb83a5cdae ASoC: tas2781: Add tas2781 driver
date:   7 months ago
:::::: branch date: 2 days ago
:::::: commit date: 7 months ago
config: sparc64-randconfig-r051-20240102 (https://download.01.org/0day-ci/archive/20240102/202401021929.eW58tuKw-lkp@intel.com/config)
compiler: sparc64-linux-gcc (GCC) 13.2.0

If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@...el.com>
| Reported-by: Julia Lawall <julia.lawall@...ia.fr>
| Closes: https://lore.kernel.org/r/202401021929.eW58tuKw-lkp@intel.com/

cocci warnings: (new ones prefixed by >>)
>> sound/soc/codecs/tas2781-i2c.c:255:26-27: WARNING opportunity for min()
   sound/soc/codecs/tas2781-i2c.c:365:14-15: WARNING opportunity for min()

vim +255 sound/soc/codecs/tas2781-i2c.c

ef3bcde75d06d6 Shenghao Ding 2023-06-18  223
ef3bcde75d06d6 Shenghao Ding 2023-06-18  224  static int tasdevice_create_control(struct tasdevice_priv *tas_priv)
ef3bcde75d06d6 Shenghao Ding 2023-06-18  225  {
ef3bcde75d06d6 Shenghao Ding 2023-06-18  226  	struct snd_kcontrol_new *prof_ctrls;
ef3bcde75d06d6 Shenghao Ding 2023-06-18  227  	int nr_controls = 1;
ef3bcde75d06d6 Shenghao Ding 2023-06-18  228  	int mix_index = 0;
ef3bcde75d06d6 Shenghao Ding 2023-06-18  229  	int ret;
ef3bcde75d06d6 Shenghao Ding 2023-06-18  230  	char *name;
ef3bcde75d06d6 Shenghao Ding 2023-06-18  231
ef3bcde75d06d6 Shenghao Ding 2023-06-18  232  	prof_ctrls = devm_kcalloc(tas_priv->dev, nr_controls,
ef3bcde75d06d6 Shenghao Ding 2023-06-18  233  		sizeof(prof_ctrls[0]), GFP_KERNEL);
ef3bcde75d06d6 Shenghao Ding 2023-06-18  234  	if (!prof_ctrls) {
ef3bcde75d06d6 Shenghao Ding 2023-06-18  235  		ret = -ENOMEM;
ef3bcde75d06d6 Shenghao Ding 2023-06-18  236  		goto out;
ef3bcde75d06d6 Shenghao Ding 2023-06-18  237  	}
ef3bcde75d06d6 Shenghao Ding 2023-06-18  238
ef3bcde75d06d6 Shenghao Ding 2023-06-18  239  	/* Create a mixer item for selecting the active profile */
ef3bcde75d06d6 Shenghao Ding 2023-06-18  240  	name = devm_kzalloc(tas_priv->dev, SNDRV_CTL_ELEM_ID_NAME_MAXLEN,
ef3bcde75d06d6 Shenghao Ding 2023-06-18  241  		GFP_KERNEL);
ef3bcde75d06d6 Shenghao Ding 2023-06-18  242  	if (!name) {
ef3bcde75d06d6 Shenghao Ding 2023-06-18  243  		ret = -ENOMEM;
ef3bcde75d06d6 Shenghao Ding 2023-06-18  244  		goto out;
ef3bcde75d06d6 Shenghao Ding 2023-06-18  245  	}
ef3bcde75d06d6 Shenghao Ding 2023-06-18  246  	scnprintf(name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN, "Speaker Profile Id");
ef3bcde75d06d6 Shenghao Ding 2023-06-18  247  	prof_ctrls[mix_index].name = name;
ef3bcde75d06d6 Shenghao Ding 2023-06-18  248  	prof_ctrls[mix_index].iface = SNDRV_CTL_ELEM_IFACE_MIXER;
ef3bcde75d06d6 Shenghao Ding 2023-06-18  249  	prof_ctrls[mix_index].info = tasdevice_info_profile;
ef3bcde75d06d6 Shenghao Ding 2023-06-18  250  	prof_ctrls[mix_index].get = tasdevice_get_profile_id;
ef3bcde75d06d6 Shenghao Ding 2023-06-18  251  	prof_ctrls[mix_index].put = tasdevice_set_profile_id;
ef3bcde75d06d6 Shenghao Ding 2023-06-18  252  	mix_index++;
ef3bcde75d06d6 Shenghao Ding 2023-06-18  253
ef3bcde75d06d6 Shenghao Ding 2023-06-18  254  	ret = snd_soc_add_component_controls(tas_priv->codec,
ef3bcde75d06d6 Shenghao Ding 2023-06-18 @255  		prof_ctrls, nr_controls < mix_index ? nr_controls : mix_index);
ef3bcde75d06d6 Shenghao Ding 2023-06-18  256
ef3bcde75d06d6 Shenghao Ding 2023-06-18  257  out:
ef3bcde75d06d6 Shenghao Ding 2023-06-18  258  	return ret;
ef3bcde75d06d6 Shenghao Ding 2023-06-18  259  }
ef3bcde75d06d6 Shenghao Ding 2023-06-18  260

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