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From: Dan Carpenter <error27@gmail.com>
To: oe-kbuild@lists.linux.dev,
	Angel Iglesias <ang.iglesiasg@gmail.com>,
	linux-iio@vger.kernel.org
Cc: lkp@intel.com, oe-kbuild-all@lists.linux.dev,
	Angel Iglesias <ang.iglesiasg@gmail.com>,
	Jonathan Cameron <jic23@kernel.org>,
	Lars-Peter Clausen <lars@metafoo.de>,
	Nikita Yushchenko <nikita.yoush@cogentembedded.com>,
	Andy Shevchenko <andriy.shevchenko@linux.intel.com>,
	Ulf Hansson <ulf.hansson@linaro.org>,
	"Rafael J. Wysocki" <rafael.j.wysocki@intel.com>,
	Paul Cercueil <paul@crapouillou.net>,
	linux-kernel@vger.kernel.org
Subject: Re: [PATCH 3/5] iio: pressure: bmp280: Add support for new sensor BMP580
Date: Thu, 29 Dec 2022 12:20:44 +0300	[thread overview]
Message-ID: <202212260352.XQTIlVGl-lkp@intel.com> (raw)
In-Reply-To: <5a1c9341102fdce2f49d151f0cba76f1ba9ba279.1671986815.git.ang.iglesiasg@gmail.com>

Hi Angel,

url:    https://github.com/intel-lab-lkp/linux/commits/Angel-Iglesias/iio-pressure-bmp280-Add-enumeration-to-handle-chip-variants/20221226-010158
base:   e807541c2b273677e82ef50b5747ec7ae7d652b9
patch link:    https://lore.kernel.org/r/5a1c9341102fdce2f49d151f0cba76f1ba9ba279.1671986815.git.ang.iglesiasg%40gmail.com
patch subject: [PATCH 3/5] iio: pressure: bmp280: Add support for new sensor BMP580
config: i386-randconfig-m021-20221226
compiler: gcc-11 (Debian 11.3.0-8) 11.3.0

If you fix the issue, kindly add following tag where applicable
| Reported-by: kernel test robot <lkp@intel.com>
| Reported-by: Dan Carpenter <error27@gmail.com>

smatch warnings:
drivers/iio/pressure/bmp280-core.c:1654 bmp580_preinit() warn: missing error code? 'ret'

vim +/ret +1654 drivers/iio/pressure/bmp280-core.c

ce037d81e52ecb Angel Iglesias 2022-12-25  1631  static int bmp580_preinit(struct bmp280_data *data)
ce037d81e52ecb Angel Iglesias 2022-12-25  1632  {
ce037d81e52ecb Angel Iglesias 2022-12-25  1633  	unsigned int reg;
ce037d81e52ecb Angel Iglesias 2022-12-25  1634  	int ret;
ce037d81e52ecb Angel Iglesias 2022-12-25  1635  
ce037d81e52ecb Angel Iglesias 2022-12-25  1636  	/* Issue soft-reset command */
ce037d81e52ecb Angel Iglesias 2022-12-25  1637  	ret = bmp580_cmd(data, BMP580_SOFT_RESET_CMD);
ce037d81e52ecb Angel Iglesias 2022-12-25  1638  	if (ret)
ce037d81e52ecb Angel Iglesias 2022-12-25  1639  		return ret;
ce037d81e52ecb Angel Iglesias 2022-12-25  1640  	/* Post powerup sequence */
ce037d81e52ecb Angel Iglesias 2022-12-25  1641  	ret = regmap_read(data->regmap, BMP580_REG_CHIP_ID, &reg);
ce037d81e52ecb Angel Iglesias 2022-12-25  1642  	if (ret)
ce037d81e52ecb Angel Iglesias 2022-12-25  1643  		return ret;
ce037d81e52ecb Angel Iglesias 2022-12-25  1644  	if (reg != BMP580_CHIP_ID) {
ce037d81e52ecb Angel Iglesias 2022-12-25  1645  		dev_err(data->dev, "preinit: unexpected chip_id\n");
ce037d81e52ecb Angel Iglesias 2022-12-25  1646  		return ret;
ce037d81e52ecb Angel Iglesias 2022-12-25  1647  	}
ce037d81e52ecb Angel Iglesias 2022-12-25  1648  	ret = regmap_read(data->regmap, BMP580_REG_STATUS, &reg);
ce037d81e52ecb Angel Iglesias 2022-12-25  1649  	if (ret)
ce037d81e52ecb Angel Iglesias 2022-12-25  1650  		return ret;
ce037d81e52ecb Angel Iglesias 2022-12-25  1651  	/* Check nvm status */
ce037d81e52ecb Angel Iglesias 2022-12-25  1652  	if (!(reg & BMP580_STATUS_NVM_RDY_MASK) || (reg & BMP580_STATUS_NVM_ERR_MASK)) {
ce037d81e52ecb Angel Iglesias 2022-12-25  1653  		dev_err(data->dev, "preinit: nvm error on powerup sequence\n");
ce037d81e52ecb Angel Iglesias 2022-12-25 @1654  		return ret;

"ret" is zero.  It should be return -EINVAL or something.

ce037d81e52ecb Angel Iglesias 2022-12-25  1655  	}
ce037d81e52ecb Angel Iglesias 2022-12-25  1656  
ce037d81e52ecb Angel Iglesias 2022-12-25  1657  	return 0;
ce037d81e52ecb Angel Iglesias 2022-12-25  1658  }

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


  reply	other threads:[~2022-12-29  9:21 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-12-25 16:55 [PATCH 0/5] Add support for pressure sensor Bosch BMP580 Angel Iglesias
2022-12-25 16:56 ` [PATCH 1/5] iio: pressure: bmp280: Add enumeration to handle chip variants Angel Iglesias
2022-12-27 21:36   ` Andy Shevchenko
2022-12-25 16:57 ` [PATCH 2/5] iio: pressure: bmp280: Add preinit callback Angel Iglesias
2022-12-25 16:58 ` [PATCH 3/5] iio: pressure: bmp280: Add support for new sensor BMP580 Angel Iglesias
2022-12-29  9:20   ` Dan Carpenter [this message]
2022-12-25 16:59 ` [PATCH 4/5] dt-bindings: iio: pressure: bmp085: Add BMP580 compatible string Angel Iglesias
2022-12-26 12:05   ` Krzysztof Kozlowski
2022-12-26 12:43     ` Angel Iglesias
2022-12-25 17:00 ` [PATCH 5/5] iio: pressure: bmp280: Add nvmem operations for BMP580 Angel Iglesias

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