arch/x86/kernel/smpboot.c:1040:6-7: ERROR: iterator variable bound on line 1039 cannot be NULL

arch/x86/kernel/smpboot.c:1040:6-7: ERROR: iterator variable bound on line 1039 cannot be NULL

[kernel test robot]

BCC: lkp@intel.com
CC: oe-kbuild-all@lists.linux.dev
CC: linux-kernel@vger.kernel.org
TO: Thomas Gleixner <tglx@linutronix.de>
CC: "Borislav Petkov (AMD)" <bp@alien8.de>

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   962490525cffee6270422206c9d5bdb12d472c2b
commit: c90399fbd74a0713d5972a6d931e4a9918621e88 x86/cpu: Ensure that CPU info updates are propagated on UP
date:   4 days ago
:::::: branch date: 5 hours ago
:::::: commit date: 4 days ago
config: x86_64-randconfig-102-20240327 (https://download.01.org/0day-ci/archive/20240328/202403280539.R5tAQ3TJ-lkp@intel.com/config)
compiler: gcc-12 (Ubuntu 12.3.0-9ubuntu2) 12.3.0

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@intel.com>
| Reported-by: Julia Lawall <julia.lawall@inria.fr>
| Closes: https://lore.kernel.org/r/202403280539.R5tAQ3TJ-lkp@intel.com/

cocci warnings: (new ones prefixed by >>)
>> arch/x86/kernel/smpboot.c:1040:6-7: ERROR: iterator variable bound on line 1039 cannot be NULL

vim +1040 arch/x86/kernel/smpboot.c

8aef135c73436fa Glauber de Oliveira Costa 2008-03-19  1033  
ce2612b6706b4d0 Boris Ostrovsky           2021-11-02  1034  void __init smp_prepare_cpus_common(void)
8aef135c73436fa Glauber de Oliveira Costa 2008-03-19  1035  {
7ad728f98162cb1 Rusty Russell             2009-03-13  1036  	unsigned int i;
7ad728f98162cb1 Rusty Russell             2009-03-13  1037  
c90399fbd74a071 Thomas Gleixner           2024-03-22  1038  	/* Mark all except the boot CPU as hotpluggable */
c90399fbd74a071 Thomas Gleixner           2024-03-22 @1039  	for_each_possible_cpu(i) {
c90399fbd74a071 Thomas Gleixner           2024-03-22 @1040  		if (i)
c90399fbd74a071 Thomas Gleixner           2024-03-22  1041  			per_cpu(cpu_info.cpu_index, i) = nr_cpu_ids;
c90399fbd74a071 Thomas Gleixner           2024-03-22  1042  	}
bd22a2f1982fa3e Tejun Heo                 2011-01-23  1043  
7ad728f98162cb1 Rusty Russell             2009-03-13  1044  	for_each_possible_cpu(i) {
79f5599772ac2f1 Li Zefan                  2009-06-15  1045  		zalloc_cpumask_var(&per_cpu(cpu_sibling_map, i), GFP_KERNEL);
79f5599772ac2f1 Li Zefan                  2009-06-15  1046  		zalloc_cpumask_var(&per_cpu(cpu_core_map, i), GFP_KERNEL);
2e4c54dac7b360c Len Brown                 2019-05-13  1047  		zalloc_cpumask_var(&per_cpu(cpu_die_map, i), GFP_KERNEL);
b3d7336db553d31 Yinghai Lu                2011-01-21  1048  		zalloc_cpumask_var(&per_cpu(cpu_llc_shared_map, i), GFP_KERNEL);
66558b730f2533c Tim Chen                  2021-09-24  1049  		zalloc_cpumask_var(&per_cpu(cpu_l2c_shared_map, i), GFP_KERNEL);
7ad728f98162cb1 Rusty Russell             2009-03-13  1050  	}
8f37961cf22304f Tim Chen                  2016-09-21  1051  
8aef135c73436fa Glauber de Oliveira Costa 2008-03-19  1052  	set_cpu_sibling_map(0);
ce2612b6706b4d0 Boris Ostrovsky           2021-11-02  1053  }
ce2612b6706b4d0 Boris Ostrovsky           2021-11-02  1054  

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