linux-kernel - [asahilinux:bits/070-audio 4/16] sound/soc/codecs/tas2764.c:681:20: warning: cast to smaller integer type 'enum tas2764

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [day] [month] [year] [list]

Message-ID: <202208161624.BKESkCXj-lkp@intel.com>
Date:   Tue, 16 Aug 2022 16:39:03 +0800
From:   kernel test robot <lkp@...el.com>
To:     Martin Povišer <povik+lin@...ebit.org>
Cc:     llvm@...ts.linux.dev, kbuild-all@...ts.01.org,
        linux-kernel@...r.kernel.org, Hector Martin <marcan@...can.st>
Subject: [asahilinux:bits/070-audio 4/16] sound/soc/codecs/tas2764.c:681:20:
 warning: cast to smaller integer type 'enum tas2764_devid' from 'const void
 *'

tree:   https://github.com/AsahiLinux/linux bits/070-audio
head:   51024ef467ff6c288e679bc72d0e3fcdd54d9b39
commit: e8c4eabb2252a8ee21269737e90c57973ab36269 [4/16] ASoC: tas2764: Extend driver to SN012776
config: arm64-randconfig-r022-20220815 (https://download.01.org/0day-ci/archive/20220816/202208161624.BKESkCXj-lkp@intel.com/config)
compiler: clang version 16.0.0 (https://github.com/llvm/llvm-project aed5e3bea138ce581d682158eb61c27b3cfdd6ec)
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 arm64 cross compiling tool for clang build
        # apt-get install binutils-aarch64-linux-gnu
        # https://github.com/AsahiLinux/linux/commit/e8c4eabb2252a8ee21269737e90c57973ab36269
        git remote add asahilinux https://github.com/AsahiLinux/linux
        git fetch --no-tags asahilinux bits/070-audio
        git checkout e8c4eabb2252a8ee21269737e90c57973ab36269
        # 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=arm64 SHELL=/bin/bash sound/soc/codecs/

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

All warnings (new ones prefixed by >>):

>> sound/soc/codecs/tas2764.c:681:20: warning: cast to smaller integer type 'enum tas2764_devid' from 'const void *' [-Wvoid-pointer-to-enum-cast]
                   tas2764->devid = (enum tas2764_devid) of_id->data;
                                    ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   1 warning generated.


vim +681 sound/soc/codecs/tas2764.c

   665	
   666	static int tas2764_i2c_probe(struct i2c_client *client)
   667	{
   668		struct tas2764_priv *tas2764;
   669		const struct of_device_id *of_id = NULL;
   670		int result;
   671	
   672		tas2764 = devm_kzalloc(&client->dev, sizeof(struct tas2764_priv),
   673				       GFP_KERNEL);
   674		if (!tas2764)
   675			return -ENOMEM;
   676	
   677		if (client->dev.of_node)
   678			of_id = of_match_device(tas2764_of_match, &client->dev);	
   679	
   680		if (of_id)
 > 681			tas2764->devid = (enum tas2764_devid) of_id->data;
   682		else
   683			tas2764->devid = DEVID_TAS2764;
   684	
   685		tas2764->dev = &client->dev;
   686		i2c_set_clientdata(client, tas2764);
   687		dev_set_drvdata(&client->dev, tas2764);
   688	
   689		tas2764->regmap = devm_regmap_init_i2c(client, &tas2764_i2c_regmap);
   690		if (IS_ERR(tas2764->regmap)) {
   691			result = PTR_ERR(tas2764->regmap);
   692			dev_err(&client->dev, "Failed to allocate register map: %d\n",
   693						result);
   694			return result;
   695		}
   696	
   697		if (client->dev.of_node) {
   698			result = tas2764_parse_dt(&client->dev, tas2764);
   699			if (result) {
   700				dev_err(tas2764->dev, "%s: Failed to parse devicetree\n",
   701					__func__);
   702				return result;
   703			}
   704		}
   705	
   706		return devm_snd_soc_register_component(tas2764->dev,
   707						       &soc_component_driver_tas2764,
   708						       tas2764_dai_driver,
   709						       ARRAY_SIZE(tas2764_dai_driver));
   710	}
   711	

-- 
0-DAY CI Kernel Test Service
https://01.org/lkp