linux-kernel - [norov:bitmap_fast2 3/9] drivers/iio/adc/mxs-lradc-adc.c:563:2: error: unterminated function-like macro invocation

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Date:   Mon, 29 Nov 2021 06:22:12 +0800
From:   kernel test robot <lkp@...el.com>
To:     Yury Norov <yury.norov@...il.com>
Cc:     llvm@...ts.linux.dev, kbuild-all@...ts.01.org,
        linux-kernel@...r.kernel.org
Subject: [norov:bitmap_fast2 3/9] drivers/iio/adc/mxs-lradc-adc.c:563:2:
 error: unterminated function-like macro invocation

tree:   https://github.com/norov/linux bitmap_fast2
head:   2ba93e639da00fa6374a9942dc507f64d5cb6659
commit: 46f86267bdcb14f620d5905e64cbe68dc712e028 [3/9] all: replace bitmap_weigth() with bitmap_{empty,full,eq,gt,le}
config: hexagon-randconfig-r033-20211128 (https://download.01.org/0day-ci/archive/20211129/202111290655.xr3sMLhM-lkp@intel.com/config)
compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project 5c64d8ef8cc0c0ed3e0f2ae693d99e7f70f20a84)
reproduce (this is a W=1 build):
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # https://github.com/norov/linux/commit/46f86267bdcb14f620d5905e64cbe68dc712e028
        git remote add norov https://github.com/norov/linux
        git fetch --no-tags norov bitmap_fast2
        git checkout 46f86267bdcb14f620d5905e64cbe68dc712e028
        # save the config file to linux build tree
        mkdir build_dir
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=hexagon SHELL=/bin/bash drivers/iio/adc/

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@...el.com>

All errors (new ones prefixed by >>):

>> drivers/iio/adc/mxs-lradc-adc.c:563:2: error: unterminated function-like macro invocation
           if (bitmap_weight_gt(mask, LRADC_MAX_TOTAL_CHANS, LRADC_MAX_MAPPED_CHAN - rsvd_chans)
           ^
   include/linux/compiler.h:56:9: note: macro 'if' defined here
   #define if(cond, ...) if ( __trace_if_var( !!(cond , ## __VA_ARGS__) ) )
           ^
>> drivers/iio/adc/mxs-lradc-adc.c:834:40: error: expected '}'
   MODULE_ALIAS("platform:mxs-lradc-adc");
                                          ^
   drivers/iio/adc/mxs-lradc-adc.c:540:1: note: to match this '{'
   {
   ^
   2 errors generated.


vim +563 drivers/iio/adc/mxs-lradc-adc.c

   537	
   538	static bool mxs_lradc_adc_validate_scan_mask(struct iio_dev *iio,
   539						     const unsigned long *mask)
   540	{
   541		struct mxs_lradc_adc *adc = iio_priv(iio);
   542		struct mxs_lradc *lradc = adc->lradc;
   543		int rsvd_chans = 0;
   544		unsigned long rsvd_mask = 0;
   545	
   546		if (lradc->use_touchbutton)
   547			rsvd_mask |= CHAN_MASK_TOUCHBUTTON;
   548		if (lradc->touchscreen_wire == MXS_LRADC_TOUCHSCREEN_4WIRE)
   549			rsvd_mask |= CHAN_MASK_TOUCHSCREEN_4WIRE;
   550		if (lradc->touchscreen_wire == MXS_LRADC_TOUCHSCREEN_5WIRE)
   551			rsvd_mask |= CHAN_MASK_TOUCHSCREEN_5WIRE;
   552	
   553		if (lradc->use_touchbutton)
   554			rsvd_chans++;
   555		if (lradc->touchscreen_wire)
   556			rsvd_chans += 2;
   557	
   558		/* Test for attempts to map channels with special mode of operation. */
   559		if (bitmap_intersects(mask, &rsvd_mask, LRADC_MAX_TOTAL_CHANS))
   560			return false;
   561	
   562		/* Test for attempts to map more channels then available slots. */
 > 563		if (bitmap_weight_gt(mask, LRADC_MAX_TOTAL_CHANS, LRADC_MAX_MAPPED_CHAN - rsvd_chans)
   564			return false;
   565	
   566		return true;
   567	}
   568	

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org