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* [ammarfaizi2-block:google/android/kernel/common/android-4.9-q-release 5885/9999] fs/f2fs/data.c:417:47: sparse: sparse: Using plain integer as NULL pointer
@ 2022-08-21  4:58 kernel test robot
  0 siblings, 0 replies; only message in thread
From: kernel test robot @ 2022-08-21  4:58 UTC (permalink / raw)
  To: Ammar Faizi, GNU/Weeb Mailing List; +Cc: kbuild-all

tree:   https://github.com/ammarfaizi2/linux-block google/android/kernel/common/android-4.9-q-release
head:   8c62b2bd034cfb52860b9e3f333b1ef587052af2
commit: 39373df2d0c858d7a6544cbd37c108375c15be00 [5885/9999] Revert: "f2fs: check last page index in cached bio to decide submission"
config: i386-randconfig-s002 (https://download.01.org/0day-ci/archive/20220821/[email protected]/config)
compiler: gcc-7 (Ubuntu 7.5.0-6ubuntu2) 7.5.0
reproduce:
        # apt-get install sparse
        # sparse version: v0.6.4-39-gce1a6720-dirty
        # https://github.com/ammarfaizi2/linux-block/commit/39373df2d0c858d7a6544cbd37c108375c15be00
        git remote add ammarfaizi2-block https://github.com/ammarfaizi2/linux-block
        git fetch --no-tags ammarfaizi2-block google/android/kernel/common/android-4.9-q-release
        git checkout 39373df2d0c858d7a6544cbd37c108375c15be00
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        make W=1 C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=i386 SHELL=/bin/bash drivers/md/ fs/f2fs/

If you fix the issue, kindly add following tag where applicable
Reported-by: kernel test robot <[email protected]>

sparse warnings: (new ones prefixed by >>)
>> fs/f2fs/data.c:417:47: sparse: sparse: Using plain integer as NULL pointer
   In file included from fs/f2fs/data.c:21:0:
   fs/f2fs/f2fs.h: In function '__mark_inode_dirty_flag':
   fs/f2fs/f2fs.h:2339:6: warning: this statement may fall through [-Wimplicit-fallthrough=]
      if (set)
         ^
   fs/f2fs/f2fs.h:2341:2: note: here
     case FI_DATA_EXIST:
     ^~~~
   arch/x86/include/asm/bitops.h: Assembler messages:
   arch/x86/include/asm/bitops.h:206: Warning: no instruction mnemonic suffix given and no register operands; using default for `bts'
   arch/x86/include/asm/bitops.h:206: Warning: no instruction mnemonic suffix given and no register operands; using default for `bts'
   arch/x86/include/asm/bitops.h:206: Warning: no instruction mnemonic suffix given and no register operands; using default for `bts'
   arch/x86/include/asm/bitops.h:206: Warning: no instruction mnemonic suffix given and no register operands; using default for `bts'
   arch/x86/include/asm/bitops.h:206: Warning: no instruction mnemonic suffix given and no register operands; using default for `bts'
   arch/x86/include/asm/bitops.h:206: Warning: no instruction mnemonic suffix given and no register operands; using default for `bts'
   arch/x86/include/asm/bitops.h:206: Warning: no instruction mnemonic suffix given and no register operands; using default for `bts'
   arch/x86/include/asm/bitops.h:206: Warning: no instruction mnemonic suffix given and no register operands; using default for `bts'
   arch/x86/include/asm/bitops.h:206: Warning: no instruction mnemonic suffix given and no register operands; using default for `bts'
   arch/x86/include/asm/bitops.h:206: Warning: no instruction mnemonic suffix given and no register operands; using default for `bts'

vim +417 fs/f2fs/data.c

c4127260dcb92a Jaegeuk Kim 2017-05-10  414  
9bc576a6cfda59 Jaegeuk Kim 2017-05-10  415  void f2fs_submit_merged_write(struct f2fs_sb_info *sbi, enum page_type type)
0c3a579758362d Chao Yu     2016-01-18  416  {
c4127260dcb92a Jaegeuk Kim 2017-05-10 @417  	__submit_merged_write_cond(sbi, NULL, 0, 0, type, true);
0c3a579758362d Chao Yu     2016-01-18  418  }
0c3a579758362d Chao Yu     2016-01-18  419  

:::::: The code at line 417 was first introduced by commit
:::::: c4127260dcb92a8ec64794db10cbdabb6d9b2b01 f2fs: split bio cache

:::::: TO: Jaegeuk Kim <[email protected]>
:::::: CC: Jaegeuk Kim <[email protected]>

-- 
0-DAY CI Kernel Test Service
https://01.org/lkp

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2022-08-21  4:58 [ammarfaizi2-block:google/android/kernel/common/android-4.9-q-release 5885/9999] fs/f2fs/data.c:417:47: sparse: sparse: Using plain integer as NULL pointer kernel test robot

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