linux-kernel - arch/parisc/kernel/perf_regs.c:30:2-3: Unneeded semicolon

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Message-ID: <202511090323.OwYsZkev-lkp@intel.com>
Date: Sun, 9 Nov 2025 03:58:34 +0800
From: kernel test robot <lkp@...el.com>
To: Helge Deller <deller@....de>
Cc: oe-kbuild-all@...ts.linux.dev, linux-kernel@...r.kernel.org
Subject: arch/parisc/kernel/perf_regs.c:30:2-3: Unneeded semicolon

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   7bb4d6512545a792a6cd8d6c8be5718920b9b11a
commit: 610cb23bcc75bcd9fead3e41cbd867cccd0eb229 parisc: Add initial kernel-side perf_event support
date:   5 weeks ago
config: parisc-randconfig-r062-20251109 (https://download.01.org/0day-ci/archive/20251109/202511090323.OwYsZkev-lkp@intel.com/config)
compiler: hppa-linux-gcc (GCC) 11.5.0

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@...el.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202511090323.OwYsZkev-lkp@intel.com/

cocci warnings: (new ones prefixed by >>)
>> arch/parisc/kernel/perf_regs.c:30:2-3: Unneeded semicolon

vim +30 arch/parisc/kernel/perf_regs.c

     8	
     9	u64 perf_reg_value(struct pt_regs *regs, int idx)
    10	{
    11		switch (idx) {
    12		case PERF_REG_PARISC_R0 ... PERF_REG_PARISC_R31:
    13			return regs->gr[idx - PERF_REG_PARISC_R0];
    14		case PERF_REG_PARISC_SR0 ... PERF_REG_PARISC_SR7:
    15			return regs->sr[idx - PERF_REG_PARISC_SR0];
    16		case PERF_REG_PARISC_IASQ0 ... PERF_REG_PARISC_IASQ1:
    17			return regs->iasq[idx - PERF_REG_PARISC_IASQ0];
    18		case PERF_REG_PARISC_IAOQ0 ... PERF_REG_PARISC_IAOQ1:
    19			return regs->iasq[idx - PERF_REG_PARISC_IAOQ0];
    20		case PERF_REG_PARISC_SAR:	/* CR11 */
    21			return regs->sar;
    22		case PERF_REG_PARISC_IIR:	/* CR19 */
    23			return regs->iir;
    24		case PERF_REG_PARISC_ISR:	/* CR20 */
    25			return regs->isr;
    26		case PERF_REG_PARISC_IOR:	/* CR21 */
    27			return regs->ior;
    28		case PERF_REG_PARISC_IPSW:	/* CR22 */
    29			return regs->ipsw;
  > 30		};
    31		WARN_ON_ONCE((u32)idx >= PERF_REG_PARISC_MAX);
    32		return 0;
    33	}
    34	

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