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From: kernel test robot <lkp@intel.com>
To: Eric Biggers <ebiggers@kernel.org>, linux-kernel@vger.kernel.org
Cc: oe-kbuild-all@lists.linux.dev, Ard Biesheuvel <ardb@kernel.org>,
	linux-crypto@vger.kernel.org
Subject: Re: [PATCH 2/3] lib/crc/crc32: change crc32() from macro to inline function and remove cast
Date: Fri, 20 Jun 2025 15:01:04 +0800	[thread overview]
Message-ID: <202506201401.OhkkTlo0-lkp@intel.com> (raw)
In-Reply-To: <20250619183414.100082-3-ebiggers@kernel.org>

Hi Eric,

kernel test robot noticed the following build errors:

[auto build test ERROR on ee925097a5a76eaf9c4954cdd7288a070d57a8d4]

url:    https://github.com/intel-lab-lkp/linux/commits/Eric-Biggers/lib-crc-crc32-document-crc32_le-crc32_be-and-crc32c/20250620-023634
base:   ee925097a5a76eaf9c4954cdd7288a070d57a8d4
patch link:    https://lore.kernel.org/r/20250619183414.100082-3-ebiggers%40kernel.org
patch subject: [PATCH 2/3] lib/crc/crc32: change crc32() from macro to inline function and remove cast
config: x86_64-buildonly-randconfig-004-20250620 (https://download.01.org/0day-ci/archive/20250620/202506201401.OhkkTlo0-lkp@intel.com/config)
compiler: gcc-12 (Debian 12.2.0-14) 12.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250620/202506201401.OhkkTlo0-lkp@intel.com/reproduce)

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@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202506201401.OhkkTlo0-lkp@intel.com/

All errors (new ones prefixed by >>):

   drivers/nvmem/layouts/u-boot-env.c: In function 'u_boot_env_parse':
>> drivers/nvmem/layouts/u-boot-env.c:151:16: error: called object 'crc32' is not a function or function pointer
     151 |         calc = crc32(~0, buf + crc32_data_offset, crc32_data_len) ^ ~0L;
         |                ^~~~~
   drivers/nvmem/layouts/u-boot-env.c:99:18: note: declared here
      99 |         uint32_t crc32;
         |                  ^~~~~


vim +/crc32 +151 drivers/nvmem/layouts/u-boot-env.c

5f15811286aff4 Rafał Miłecki 2024-09-02   88  
5f15811286aff4 Rafał Miłecki 2024-09-02   89  int u_boot_env_parse(struct device *dev, struct nvmem_device *nvmem,
5f15811286aff4 Rafał Miłecki 2024-09-02   90  		     enum u_boot_env_format format)
5f15811286aff4 Rafał Miłecki 2024-09-02   91  {
5f15811286aff4 Rafał Miłecki 2024-09-02   92  	size_t crc32_data_offset;
5f15811286aff4 Rafał Miłecki 2024-09-02   93  	size_t crc32_data_len;
5f15811286aff4 Rafał Miłecki 2024-09-02   94  	size_t crc32_offset;
5f15811286aff4 Rafał Miłecki 2024-09-02   95  	__le32 *crc32_addr;
5f15811286aff4 Rafał Miłecki 2024-09-02   96  	size_t data_offset;
5f15811286aff4 Rafał Miłecki 2024-09-02   97  	size_t data_len;
5f15811286aff4 Rafał Miłecki 2024-09-02   98  	size_t dev_size;
5f15811286aff4 Rafał Miłecki 2024-09-02   99  	uint32_t crc32;
5f15811286aff4 Rafał Miłecki 2024-09-02  100  	uint32_t calc;
5f15811286aff4 Rafał Miłecki 2024-09-02  101  	uint8_t *buf;
5f15811286aff4 Rafał Miłecki 2024-09-02  102  	int bytes;
5f15811286aff4 Rafał Miłecki 2024-09-02  103  	int err;
5f15811286aff4 Rafał Miłecki 2024-09-02  104  
5f15811286aff4 Rafał Miłecki 2024-09-02  105  	dev_size = nvmem_dev_size(nvmem);
5f15811286aff4 Rafał Miłecki 2024-09-02  106  
5f15811286aff4 Rafał Miłecki 2024-09-02  107  	buf = kzalloc(dev_size, GFP_KERNEL);
5f15811286aff4 Rafał Miłecki 2024-09-02  108  	if (!buf) {
5f15811286aff4 Rafał Miłecki 2024-09-02  109  		err = -ENOMEM;
5f15811286aff4 Rafał Miłecki 2024-09-02  110  		goto err_out;
5f15811286aff4 Rafał Miłecki 2024-09-02  111  	}
5f15811286aff4 Rafał Miłecki 2024-09-02  112  
5f15811286aff4 Rafał Miłecki 2024-09-02  113  	bytes = nvmem_device_read(nvmem, 0, dev_size, buf);
5f15811286aff4 Rafał Miłecki 2024-09-02  114  	if (bytes < 0) {
5f15811286aff4 Rafał Miłecki 2024-09-02  115  		err = bytes;
5f15811286aff4 Rafał Miłecki 2024-09-02  116  		goto err_kfree;
5f15811286aff4 Rafał Miłecki 2024-09-02  117  	} else if (bytes != dev_size) {
5f15811286aff4 Rafał Miłecki 2024-09-02  118  		err = -EIO;
5f15811286aff4 Rafał Miłecki 2024-09-02  119  		goto err_kfree;
5f15811286aff4 Rafał Miłecki 2024-09-02  120  	}
5f15811286aff4 Rafał Miłecki 2024-09-02  121  
5f15811286aff4 Rafał Miłecki 2024-09-02  122  	switch (format) {
5f15811286aff4 Rafał Miłecki 2024-09-02  123  	case U_BOOT_FORMAT_SINGLE:
5f15811286aff4 Rafał Miłecki 2024-09-02  124  		crc32_offset = offsetof(struct u_boot_env_image_single, crc32);
5f15811286aff4 Rafał Miłecki 2024-09-02  125  		crc32_data_offset = offsetof(struct u_boot_env_image_single, data);
5f15811286aff4 Rafał Miłecki 2024-09-02  126  		data_offset = offsetof(struct u_boot_env_image_single, data);
5f15811286aff4 Rafał Miłecki 2024-09-02  127  		break;
5f15811286aff4 Rafał Miłecki 2024-09-02  128  	case U_BOOT_FORMAT_REDUNDANT:
5f15811286aff4 Rafał Miłecki 2024-09-02  129  		crc32_offset = offsetof(struct u_boot_env_image_redundant, crc32);
5f15811286aff4 Rafał Miłecki 2024-09-02  130  		crc32_data_offset = offsetof(struct u_boot_env_image_redundant, data);
5f15811286aff4 Rafał Miłecki 2024-09-02  131  		data_offset = offsetof(struct u_boot_env_image_redundant, data);
5f15811286aff4 Rafał Miłecki 2024-09-02  132  		break;
5f15811286aff4 Rafał Miłecki 2024-09-02  133  	case U_BOOT_FORMAT_BROADCOM:
5f15811286aff4 Rafał Miłecki 2024-09-02  134  		crc32_offset = offsetof(struct u_boot_env_image_broadcom, crc32);
5f15811286aff4 Rafał Miłecki 2024-09-02  135  		crc32_data_offset = offsetof(struct u_boot_env_image_broadcom, data);
5f15811286aff4 Rafał Miłecki 2024-09-02  136  		data_offset = offsetof(struct u_boot_env_image_broadcom, data);
5f15811286aff4 Rafał Miłecki 2024-09-02  137  		break;
5f15811286aff4 Rafał Miłecki 2024-09-02  138  	}
5f15811286aff4 Rafał Miłecki 2024-09-02  139  
5f15811286aff4 Rafał Miłecki 2024-09-02  140  	if (dev_size < data_offset) {
5f15811286aff4 Rafał Miłecki 2024-09-02  141  		dev_err(dev, "Device too small for u-boot-env\n");
5f15811286aff4 Rafał Miłecki 2024-09-02  142  		err = -EIO;
5f15811286aff4 Rafał Miłecki 2024-09-02  143  		goto err_kfree;
5f15811286aff4 Rafał Miłecki 2024-09-02  144  	}
5f15811286aff4 Rafał Miłecki 2024-09-02  145  
5f15811286aff4 Rafał Miłecki 2024-09-02  146  	crc32_addr = (__le32 *)(buf + crc32_offset);
5f15811286aff4 Rafał Miłecki 2024-09-02  147  	crc32 = le32_to_cpu(*crc32_addr);
5f15811286aff4 Rafał Miłecki 2024-09-02  148  	crc32_data_len = dev_size - crc32_data_offset;
5f15811286aff4 Rafał Miłecki 2024-09-02  149  	data_len = dev_size - data_offset;
5f15811286aff4 Rafał Miłecki 2024-09-02  150  
5f15811286aff4 Rafał Miłecki 2024-09-02 @151  	calc = crc32(~0, buf + crc32_data_offset, crc32_data_len) ^ ~0L;
5f15811286aff4 Rafał Miłecki 2024-09-02  152  	if (calc != crc32) {
5f15811286aff4 Rafał Miłecki 2024-09-02  153  		dev_err(dev, "Invalid calculated CRC32: 0x%08x (expected: 0x%08x)\n", calc, crc32);
5f15811286aff4 Rafał Miłecki 2024-09-02  154  		err = -EINVAL;
5f15811286aff4 Rafał Miłecki 2024-09-02  155  		goto err_kfree;
5f15811286aff4 Rafał Miłecki 2024-09-02  156  	}
5f15811286aff4 Rafał Miłecki 2024-09-02  157  
5f15811286aff4 Rafał Miłecki 2024-09-02  158  	buf[dev_size - 1] = '\0';
5f15811286aff4 Rafał Miłecki 2024-09-02  159  	err = u_boot_env_parse_cells(dev, nvmem, buf, data_offset, data_len);
5f15811286aff4 Rafał Miłecki 2024-09-02  160  
5f15811286aff4 Rafał Miłecki 2024-09-02  161  err_kfree:
5f15811286aff4 Rafał Miłecki 2024-09-02  162  	kfree(buf);
5f15811286aff4 Rafał Miłecki 2024-09-02  163  err_out:
5f15811286aff4 Rafał Miłecki 2024-09-02  164  	return err;
5f15811286aff4 Rafał Miłecki 2024-09-02  165  }
5f15811286aff4 Rafał Miłecki 2024-09-02  166  EXPORT_SYMBOL_GPL(u_boot_env_parse);
5f15811286aff4 Rafał Miłecki 2024-09-02  167  

-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki

  reply	other threads:[~2025-06-20  7:02 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-06-19 18:34 [PATCH 0/3] lib/crc: improve docs and change crc32() to inline function Eric Biggers
2025-06-19 18:34 ` [PATCH 1/3] lib/crc/crc32: document crc32_le(), crc32_be(), and crc32c() Eric Biggers
2025-06-19 18:34 ` [PATCH 2/3] lib/crc/crc32: change crc32() from macro to inline function and remove cast Eric Biggers
2025-06-20  7:01   ` kernel test robot [this message]
2025-06-19 18:34 ` [PATCH 3/3] lib/crc/crc64: add include/linux/crc64.h to kernel-api.rst Eric Biggers
2025-06-20 21:40 ` [PATCH 0/3] lib/crc: improve docs and change crc32() to inline function Ard Biesheuvel

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