arch/riscv/include/asm/atomic.h:317 arch_atomic_dec_if_positive() warn: inconsistent indenting

From: kernel test robot
Date: Sun Mar 19 2023 - 10:47:17 EST


tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: a3671bd86a9770e34969522d29bb30a1b66fd88a
commit: 1d7f6932c522ea95668e14265175ce3d753d0c24 riscv: atomic: Optimize dec_if_positive functions
date: 10 months ago
config: riscv-randconfig-m031-20230319 (https://download.01.org/0day-ci/archive/20230319/202303192200.CcBA7bZy-lkp@xxxxxxxxx/config)
compiler: riscv32-linux-gcc (GCC) 12.1.0

If you fix the issue, kindly add following tag where applicable
| Reported-by: kernel test robot <lkp@xxxxxxxxx>
| Link: https://lore.kernel.org/oe-kbuild-all/202303192200.CcBA7bZy-lkp@xxxxxxxxx/

New smatch warnings:
arch/riscv/include/asm/atomic.h:317 arch_atomic_dec_if_positive() warn: inconsistent indenting
arch/riscv/include/asm/atomic.h:317 arch_atomic_dec_if_positive() warn: inconsistent indenting

Old smatch warnings:
drivers/block/mtip32xx/mtip32xx.c:2264 mtip_hw_read_device_status() warn: check sign expansion for 'size'
drivers/block/mtip32xx/mtip32xx.c:2328 mtip_hw_read_registers() warn: check sign expansion for 'size'
drivers/block/mtip32xx/mtip32xx.c:3638 mtip_block_initialize() warn: missing error code? 'rv'
drivers/block/mtip32xx/mtip32xx.c:4131 mtip_pci_remove() warn: '&dd->remove_list' not removed from list

vim +317 arch/riscv/include/asm/atomic.h

fab957c11efe2f Palmer Dabbelt 2017-07-10 312
1d7f6932c522ea Guo Ren 2022-05-05 313 static __always_inline int arch_atomic_dec_if_positive(atomic_t *v)
fab957c11efe2f Palmer Dabbelt 2017-07-10 314 {
fab957c11efe2f Palmer Dabbelt 2017-07-10 315 int prev, rc;
fab957c11efe2f Palmer Dabbelt 2017-07-10 316
fab957c11efe2f Palmer Dabbelt 2017-07-10 @317 __asm__ __volatile__ (
5ce6c1f3535fa8 Andrea Parri 2018-03-09 318 "0: lr.w %[p], %[c]\n"
1d7f6932c522ea Guo Ren 2022-05-05 319 " addi %[rc], %[p], -1\n"
5ce6c1f3535fa8 Andrea Parri 2018-03-09 320 " bltz %[rc], 1f\n"
5ce6c1f3535fa8 Andrea Parri 2018-03-09 321 " sc.w.rl %[rc], %[rc], %[c]\n"
5ce6c1f3535fa8 Andrea Parri 2018-03-09 322 " bnez %[rc], 0b\n"
5ce6c1f3535fa8 Andrea Parri 2018-03-09 323 " fence rw, rw\n"
5ce6c1f3535fa8 Andrea Parri 2018-03-09 324 "1:\n"
fab957c11efe2f Palmer Dabbelt 2017-07-10 325 : [p]"=&r" (prev), [rc]"=&r" (rc), [c]"+A" (v->counter)
1d7f6932c522ea Guo Ren 2022-05-05 326 :
fab957c11efe2f Palmer Dabbelt 2017-07-10 327 : "memory");
1d7f6932c522ea Guo Ren 2022-05-05 328 return prev - 1;
fab957c11efe2f Palmer Dabbelt 2017-07-10 329 }
fab957c11efe2f Palmer Dabbelt 2017-07-10 330

:::::: The code at line 317 was first introduced by commit
:::::: fab957c11efe2f405e08b9f0d080524bc2631428 RISC-V: Atomic and Locking Code

:::::: TO: Palmer Dabbelt <palmer@xxxxxxxxxxx>
:::::: CC: Palmer Dabbelt <palmer@xxxxxxxxxxx>

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