linux-kernel - Re: [PATCH v3 11/17] crypto: x86/sha

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Date:   Thu, 3 Nov 2022 17:26:11 +0800
From:   kernel test robot <lkp@...el.com>
To:     Robert Elliott <elliott@....com>, herbert@...dor.apana.org.au,
        davem@...emloft.net, tim.c.chen@...ux.intel.com,
        ap420073@...il.com, ardb@...nel.org, Jason@...c4.com,
        David.Laight@...lab.com, ebiggers@...nel.org,
        linux-crypto@...r.kernel.org, linux-kernel@...r.kernel.org
Cc:     oe-kbuild-all@...ts.linux.dev, Robert Elliott <elliott@....com>
Subject: Re: [PATCH v3 11/17] crypto: x86/sha - register all variations

Hi Robert,

Thank you for the patch! Perhaps something to improve:

[auto build test WARNING on v6.1-rc2]
[also build test WARNING on next-20221103]
[cannot apply to herbert-cryptodev-2.6/master herbert-crypto-2.6/master crng-random/master linus/master v6.1-rc3]
[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/Robert-Elliott/crypto-tcrypt-test-crc32/20221103-132823
patch link:    https://lore.kernel.org/r/20221103042740.6556-12-elliott%40hpe.com
patch subject: [PATCH v3 11/17] crypto: x86/sha - register all variations
config: x86_64-allyesconfig
compiler: gcc-11 (Debian 11.3.0-8) 11.3.0
reproduce (this is a W=1 build):
        # https://github.com/intel-lab-lkp/linux/commit/70c392540055e5e494696b9f4fb6db52f2b6574c
        git remote add linux-review https://github.com/intel-lab-lkp/linux
        git fetch --no-tags linux-review Robert-Elliott/crypto-tcrypt-test-crc32/20221103-132823
        git checkout 70c392540055e5e494696b9f4fb6db52f2b6574c
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        make W=1 O=build_dir ARCH=x86_64 SHELL=/bin/bash arch/x86/crypto/

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 >>):

   arch/x86/crypto/sha1_ssse3_glue.c: In function 'sha1_ssse3_mod_init':
>> arch/x86/crypto/sha1_ssse3_glue.c:302:21: warning: variable 'driver_name' set but not used [-Wunused-but-set-variable]
     302 |         const char *driver_name = NULL;
         |                     ^~~~~~~~~~~
--
   arch/x86/crypto/sha256_ssse3_glue.c: In function 'sha256_ssse3_mod_init':
>> arch/x86/crypto/sha256_ssse3_glue.c:365:21: warning: variable 'driver_name2' set but not used [-Wunused-but-set-variable]
     365 |         const char *driver_name2 = NULL;
         |                     ^~~~~~~~~~~~
>> arch/x86/crypto/sha256_ssse3_glue.c:364:21: warning: variable 'driver_name' set but not used [-Wunused-but-set-variable]
     364 |         const char *driver_name = NULL;
         |                     ^~~~~~~~~~~
--
   arch/x86/crypto/sha512_ssse3_glue.c: In function 'sha512_ssse3_mod_init':
>> arch/x86/crypto/sha512_ssse3_glue.c:304:21: warning: variable 'driver_name2' set but not used [-Wunused-but-set-variable]
     304 |         const char *driver_name2 = NULL;
         |                     ^~~~~~~~~~~~
>> arch/x86/crypto/sha512_ssse3_glue.c:303:21: warning: variable 'driver_name' set but not used [-Wunused-but-set-variable]
     303 |         const char *driver_name = NULL;
         |                     ^~~~~~~~~~~


vim +/driver_name +302 arch/x86/crypto/sha1_ssse3_glue.c

   298	
   299	static int __init sha1_ssse3_mod_init(void)
   300	{
   301		const char *feature_name;
 > 302		const char *driver_name = NULL;
   303		int ret;
   304	

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