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* [axboe-block:rw_iter 334/438] arch/arm/common/bL_switcher_dummy_if.c:30:35: error: use of undeclared identifier 'fro'; did you mean 'from'?
@ 2024-05-01 11:48 kernel test robot
  0 siblings, 0 replies; only message in thread
From: kernel test robot @ 2024-05-01 11:48 UTC (permalink / raw
  To: Jens Axboe; +Cc: oe-kbuild-all

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/axboe/linux-block.git rw_iter
head:   b158fdfcda0d55075803aa1a7cd4eb1bff2f5753
commit: d1c0d7a0f4560be00aae7fdfcc581711f1df7ddb [334/438] arch/arm: convert to read/write iterators
config: arm-randconfig-r061-20240501 (https://download.01.org/0day-ci/archive/20240501/202405011959.KP1taYPo-lkp@intel.com/config)
compiler: clang version 14.0.6 (https://github.com/llvm/llvm-project.git f28c006a5895fc0e329fe15fead81e37457cb1d1)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240501/202405011959.KP1taYPo-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/202405011959.KP1taYPo-lkp@intel.com/

All errors (new ones prefixed by >>):

>> arch/arm/common/bL_switcher_dummy_if.c:30:35: error: use of undeclared identifier 'fro'; did you mean 'from'?
           if (!copy_from_iter_full(val, 3, fro))
                                            ^~~
                                            from
   arch/arm/common/bL_switcher_dummy_if.c:18:71: note: 'from' declared here
   static ssize_t bL_switcher_write(struct kiocb *iocb, struct iov_iter *from)
                                                                         ^
   1 error generated.


vim +30 arch/arm/common/bL_switcher_dummy_if.c

    17	
    18	static ssize_t bL_switcher_write(struct kiocb *iocb, struct iov_iter *from)
    19	{
    20		size_t len = iov_iter_count(from);
    21		unsigned char val[3];
    22		unsigned int cpu, cluster;
    23		int ret;
    24	
    25		pr_debug("%s\n", __func__);
    26	
    27		if (len < 3)
    28			return -EINVAL;
    29	
  > 30		if (!copy_from_iter_full(val, 3, fro))
    31			return -EFAULT;
    32	
    33		/* format: <cpu#>,<cluster#> */
    34		if (val[0] < '0' || val[0] > '9' ||
    35		    val[1] != ',' ||
    36		    val[2] < '0' || val[2] > '1')
    37			return -EINVAL;
    38	
    39		cpu = val[0] - '0';
    40		cluster = val[2] - '0';
    41		ret = bL_switch_request(cpu, cluster);
    42	
    43		return ret ? : len;
    44	}
    45	

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

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2024-05-01 11:48 [axboe-block:rw_iter 334/438] arch/arm/common/bL_switcher_dummy_if.c:30:35: error: use of undeclared identifier 'fro'; did you mean 'from'? kernel test robot

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