* [peterz-queue:locking/test 3/3] drivers/iio/adc/ad7380.c:851:2: error: cannot jump from switch statement to this case label
@ 2024-10-24 1:01 kernel test robot
0 siblings, 0 replies; only message in thread
From: kernel test robot @ 2024-10-24 1:01 UTC (permalink / raw)
To: David Lechner; +Cc: llvm, oe-kbuild-all, Peter Zijlstra
tree: https://git.kernel.org/pub/scm/linux/kernel/git/peterz/queue.git locking/test
head: 800b10017d81d19743a95725b73d0026e1647bc9
commit: 800b10017d81d19743a95725b73d0026e1647bc9 [3/3] iio: adc: ad7380: use if_not_guard for claim direct
config: arm-randconfig-004-20241024 (https://download.01.org/0day-ci/archive/20241024/202410240802.VMztsHsW-lkp@intel.com/config)
compiler: clang version 20.0.0git (https://github.com/llvm/llvm-project 5886454669c3c9026f7f27eab13509dd0241f2d6)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20241024/202410240802.VMztsHsW-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/202410240802.VMztsHsW-lkp@intel.com/
All errors (new ones prefixed by >>):
In file included from drivers/iio/adc/ad7380.c:27:
In file included from include/linux/regulator/consumer.h:35:
In file included from include/linux/suspend.h:5:
In file included from include/linux/swap.h:9:
In file included from include/linux/memcontrol.h:21:
In file included from include/linux/mm.h:2213:
include/linux/vmstat.h:518:36: warning: arithmetic between different enumeration types ('enum node_stat_item' and 'enum lru_list') [-Wenum-enum-conversion]
518 | return node_stat_name(NR_LRU_BASE + lru) + 3; // skip "nr_"
| ~~~~~~~~~~~ ^ ~~~
>> drivers/iio/adc/ad7380.c:851:2: error: cannot jump from switch statement to this case label
851 | default:
| ^
drivers/iio/adc/ad7380.c:823:3: note: jump bypasses initialization of variable with __attribute__((cleanup))
823 | if_not_guard(iio_claim_direct_try, indio_dev)
| ^
include/linux/cleanup.h:359:24: note: expanded from macro 'if_not_guard'
359 | __if_not_guard(_name, __UNIQUE_ID(guard), args)
| ^
include/linux/compiler.h:189:29: note: expanded from macro '__UNIQUE_ID'
189 | #define __UNIQUE_ID(prefix) __PASTE(__PASTE(__UNIQUE_ID_, prefix), __COUNTER__)
| ^
include/linux/compiler_types.h:84:22: note: expanded from macro '__PASTE'
84 | #define __PASTE(a,b) ___PASTE(a,b)
| ^
include/linux/compiler_types.h:83:23: note: expanded from macro '___PASTE'
83 | #define ___PASTE(a,b) a##b
| ^
<scratch space>:17:1: note: expanded from here
17 | __UNIQUE_ID_guard334
| ^
drivers/iio/adc/ad7380.c:847:2: error: cannot jump from switch statement to this case label
847 | case IIO_CHAN_INFO_OVERSAMPLING_RATIO:
| ^
drivers/iio/adc/ad7380.c:823:3: note: jump bypasses initialization of variable with __attribute__((cleanup))
823 | if_not_guard(iio_claim_direct_try, indio_dev)
| ^
include/linux/cleanup.h:359:24: note: expanded from macro 'if_not_guard'
359 | __if_not_guard(_name, __UNIQUE_ID(guard), args)
| ^
include/linux/compiler.h:189:29: note: expanded from macro '__UNIQUE_ID'
189 | #define __UNIQUE_ID(prefix) __PASTE(__PASTE(__UNIQUE_ID_, prefix), __COUNTER__)
| ^
include/linux/compiler_types.h:84:22: note: expanded from macro '__PASTE'
84 | #define __PASTE(a,b) ___PASTE(a,b)
| ^
include/linux/compiler_types.h:83:23: note: expanded from macro '___PASTE'
83 | #define ___PASTE(a,b) a##b
| ^
<scratch space>:17:1: note: expanded from here
17 | __UNIQUE_ID_guard334
| ^
drivers/iio/adc/ad7380.c:838:2: error: cannot jump from switch statement to this case label
838 | case IIO_CHAN_INFO_OFFSET:
| ^
drivers/iio/adc/ad7380.c:823:3: note: jump bypasses initialization of variable with __attribute__((cleanup))
823 | if_not_guard(iio_claim_direct_try, indio_dev)
| ^
include/linux/cleanup.h:359:24: note: expanded from macro 'if_not_guard'
359 | __if_not_guard(_name, __UNIQUE_ID(guard), args)
| ^
include/linux/compiler.h:189:29: note: expanded from macro '__UNIQUE_ID'
189 | #define __UNIQUE_ID(prefix) __PASTE(__PASTE(__UNIQUE_ID_, prefix), __COUNTER__)
| ^
include/linux/compiler_types.h:84:22: note: expanded from macro '__PASTE'
84 | #define __PASTE(a,b) ___PASTE(a,b)
| ^
include/linux/compiler_types.h:83:23: note: expanded from macro '___PASTE'
83 | #define ___PASTE(a,b) a##b
| ^
<scratch space>:17:1: note: expanded from here
17 | __UNIQUE_ID_guard334
| ^
drivers/iio/adc/ad7380.c:827:2: error: cannot jump from switch statement to this case label
827 | case IIO_CHAN_INFO_SCALE:
| ^
drivers/iio/adc/ad7380.c:823:3: note: jump bypasses initialization of variable with __attribute__((cleanup))
823 | if_not_guard(iio_claim_direct_try, indio_dev)
| ^
include/linux/cleanup.h:359:24: note: expanded from macro 'if_not_guard'
359 | __if_not_guard(_name, __UNIQUE_ID(guard), args)
| ^
include/linux/compiler.h:189:29: note: expanded from macro '__UNIQUE_ID'
189 | #define __UNIQUE_ID(prefix) __PASTE(__PASTE(__UNIQUE_ID_, prefix), __COUNTER__)
| ^
include/linux/compiler_types.h:84:22: note: expanded from macro '__PASTE'
84 | #define __PASTE(a,b) ___PASTE(a,b)
| ^
include/linux/compiler_types.h:83:23: note: expanded from macro '___PASTE'
83 | #define ___PASTE(a,b) a##b
| ^
<scratch space>:17:1: note: expanded from here
17 | __UNIQUE_ID_guard334
| ^
drivers/iio/adc/ad7380.c:935:2: error: cannot jump from switch statement to this case label
935 | default:
| ^
drivers/iio/adc/ad7380.c:911:3: note: jump bypasses initialization of variable with __attribute__((cleanup))
911 | if_not_guard(iio_claim_direct_try, indio_dev)
| ^
include/linux/cleanup.h:359:24: note: expanded from macro 'if_not_guard'
359 | __if_not_guard(_name, __UNIQUE_ID(guard), args)
| ^
include/linux/compiler.h:189:29: note: expanded from macro '__UNIQUE_ID'
189 | #define __UNIQUE_ID(prefix) __PASTE(__PASTE(__UNIQUE_ID_, prefix), __COUNTER__)
| ^
include/linux/compiler_types.h:84:22: note: expanded from macro '__PASTE'
84 | #define __PASTE(a,b) ___PASTE(a,b)
| ^
include/linux/compiler_types.h:83:23: note: expanded from macro '___PASTE'
83 | #define ___PASTE(a,b) a##b
vim +851 drivers/iio/adc/ad7380.c
b095217c104bca David Lechner 2024-05-28 808
b095217c104bca David Lechner 2024-05-28 809 static int ad7380_read_raw(struct iio_dev *indio_dev,
b095217c104bca David Lechner 2024-05-28 810 struct iio_chan_spec const *chan,
b095217c104bca David Lechner 2024-05-28 811 int *val, int *val2, long info)
b095217c104bca David Lechner 2024-05-28 812 {
b095217c104bca David Lechner 2024-05-28 813 struct ad7380_state *st = iio_priv(indio_dev);
15b08012852f40 Julien Stephan 2024-05-30 814 const struct iio_scan_type *scan_type;
15b08012852f40 Julien Stephan 2024-05-30 815
15b08012852f40 Julien Stephan 2024-05-30 816 scan_type = iio_get_current_scan_type(indio_dev, chan);
15b08012852f40 Julien Stephan 2024-05-30 817
15b08012852f40 Julien Stephan 2024-05-30 818 if (IS_ERR(scan_type))
15b08012852f40 Julien Stephan 2024-05-30 819 return PTR_ERR(scan_type);
b095217c104bca David Lechner 2024-05-28 820
b095217c104bca David Lechner 2024-05-28 821 switch (info) {
b095217c104bca David Lechner 2024-05-28 822 case IIO_CHAN_INFO_RAW:
800b10017d81d1 David Lechner 2024-10-01 823 if_not_guard(iio_claim_direct_try, indio_dev)
800b10017d81d1 David Lechner 2024-10-01 824 return -EBUSY;
800b10017d81d1 David Lechner 2024-10-01 825
800b10017d81d1 David Lechner 2024-10-01 826 return ad7380_read_direct(st, chan->scan_index, scan_type, val);
b095217c104bca David Lechner 2024-05-28 827 case IIO_CHAN_INFO_SCALE:
b095217c104bca David Lechner 2024-05-28 828 /*
2920b6ee6d69ed David Lechner 2024-05-28 829 * According to the datasheet, the LSB size is:
2920b6ee6d69ed David Lechner 2024-05-28 830 * * (2 × VREF) / 2^N, for differential chips
2920b6ee6d69ed David Lechner 2024-05-28 831 * * VREF / 2^N, for pseudo-differential chips
2920b6ee6d69ed David Lechner 2024-05-28 832 * where N is the ADC resolution (i.e realbits)
b095217c104bca David Lechner 2024-05-28 833 */
b095217c104bca David Lechner 2024-05-28 834 *val = st->vref_mv;
15b08012852f40 Julien Stephan 2024-05-30 835 *val2 = scan_type->realbits - chan->differential;
b095217c104bca David Lechner 2024-05-28 836
b095217c104bca David Lechner 2024-05-28 837 return IIO_VAL_FRACTIONAL_LOG2;
2920b6ee6d69ed David Lechner 2024-05-28 838 case IIO_CHAN_INFO_OFFSET:
2920b6ee6d69ed David Lechner 2024-05-28 839 /*
2920b6ee6d69ed David Lechner 2024-05-28 840 * According to IIO ABI, offset is applied before scale,
2920b6ee6d69ed David Lechner 2024-05-28 841 * so offset is: vcm_mv / scale
2920b6ee6d69ed David Lechner 2024-05-28 842 */
15b08012852f40 Julien Stephan 2024-05-30 843 *val = st->vcm_mv[chan->channel] * (1 << scan_type->realbits)
2920b6ee6d69ed David Lechner 2024-05-28 844 / st->vref_mv;
2920b6ee6d69ed David Lechner 2024-05-28 845
15b08012852f40 Julien Stephan 2024-05-30 846 return IIO_VAL_INT;
15b08012852f40 Julien Stephan 2024-05-30 847 case IIO_CHAN_INFO_OVERSAMPLING_RATIO:
15b08012852f40 Julien Stephan 2024-05-30 848 *val = st->oversampling_ratio;
15b08012852f40 Julien Stephan 2024-05-30 849
2920b6ee6d69ed David Lechner 2024-05-28 850 return IIO_VAL_INT;
b095217c104bca David Lechner 2024-05-28 @851 default:
b095217c104bca David Lechner 2024-05-28 852 return -EINVAL;
b095217c104bca David Lechner 2024-05-28 853 }
b095217c104bca David Lechner 2024-05-28 854 }
b095217c104bca David Lechner 2024-05-28 855
:::::: The code at line 851 was first introduced by commit
:::::: b095217c104bca87d5e24c147b3e37cae921c441 iio: adc: ad7380: new driver for AD7380 ADCs
:::::: TO: David Lechner <dlechner@baylibre.com>
:::::: CC: Jonathan Cameron <Jonathan.Cameron@huawei.com>
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
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