[anolis-intel-cloud:devel-5.10 13/13] include/linux/list.h:70:20: warning: storing the address of local variable 'list' in '*&ascb_list_9(D)->list.prev'

[kernel test robot <lkp@intel.com>]

Hi Mark,

FYI, the error/warning still remains.

tree:   https://gitee.com/anolis/intel-cloud-kernel.git devel-5.10
head:   e95cc0ad46897957309e1dc44abe311daab7d881
commit: 3bd4786c7657e7f2d1f4a106994bcd19eaed51f9 [13/13] Compiler attributes: GCC cold function alignment workarounds
config: x86_64-allyesconfig (https://download.01.org/0day-ci/archive/20250528/202505281100.xKHeBmEr-lkp@intel.com/config)
compiler: gcc-12 (Debian 12.2.0-14) 12.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250528/202505281100.xKHeBmEr-lkp@intel.com/reproduce)

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>
| Closes: https://lore.kernel.org/oe-kbuild-all/202505281100.xKHeBmEr-lkp@intel.com/

All warnings (new ones prefixed by >>):

   In file included from include/linux/pci.h:33,
                    from drivers/scsi/aic94xx/aic94xx_hwi.c:9:
   In function '__list_add',
       inlined from 'asd_ascb_free_list' at drivers/scsi/aic94xx/aic94xx_hwi.h:348:2:
>> include/linux/list.h:70:20: warning: storing the address of local variable 'list' in '*&ascb_list_9(D)->list.prev' [-Wdangling-pointer=]
      70 |         next->prev = new;
         |         ~~~~~~~~~~~^~~~~
   drivers/scsi/aic94xx/aic94xx_hwi.h: In function 'asd_ascb_free_list':
   drivers/scsi/aic94xx/aic94xx_hwi.h:345:19: note: 'list' declared here
     345 |         LIST_HEAD(list);
         |                   ^~~~
   include/linux/list.h:24:26: note: in definition of macro 'LIST_HEAD'
      24 |         struct list_head name = LIST_HEAD_INIT(name)
         |                          ^~~~
   drivers/scsi/aic94xx/aic94xx_hwi.h:345:19: note: 'ascb_list' declared here
     345 |         LIST_HEAD(list);
         |                   ^~~~
   include/linux/list.h:24:26: note: in definition of macro 'LIST_HEAD'
      24 |         struct list_head name = LIST_HEAD_INIT(name)
         |                          ^~~~


vim +70 include/linux/list.h

d7c816733d501b5 Kees Cook        2016-08-17  56  
^1da177e4c3f415 Linus Torvalds   2005-04-16  57  /*
^1da177e4c3f415 Linus Torvalds   2005-04-16  58   * Insert a new entry between two known consecutive entries.
^1da177e4c3f415 Linus Torvalds   2005-04-16  59   *
^1da177e4c3f415 Linus Torvalds   2005-04-16  60   * This is only for internal list manipulation where we know
^1da177e4c3f415 Linus Torvalds   2005-04-16  61   * the prev/next entries already!
^1da177e4c3f415 Linus Torvalds   2005-04-16  62   */
^1da177e4c3f415 Linus Torvalds   2005-04-16  63  static inline void __list_add(struct list_head *new,
^1da177e4c3f415 Linus Torvalds   2005-04-16  64  			      struct list_head *prev,
^1da177e4c3f415 Linus Torvalds   2005-04-16  65  			      struct list_head *next)
^1da177e4c3f415 Linus Torvalds   2005-04-16  66  {
d7c816733d501b5 Kees Cook        2016-08-17  67  	if (!__list_add_valid(new, prev, next))
d7c816733d501b5 Kees Cook        2016-08-17  68  		return;
d7c816733d501b5 Kees Cook        2016-08-17  69  
^1da177e4c3f415 Linus Torvalds   2005-04-16 @70  	next->prev = new;
^1da177e4c3f415 Linus Torvalds   2005-04-16  71  	new->next = next;
^1da177e4c3f415 Linus Torvalds   2005-04-16  72  	new->prev = prev;
1c97be677f72b3c Paul E. McKenney 2015-09-20  73  	WRITE_ONCE(prev->next, new);
^1da177e4c3f415 Linus Torvalds   2005-04-16  74  }
^1da177e4c3f415 Linus Torvalds   2005-04-16  75  

:::::: The code at line 70 was first introduced by commit
:::::: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Linux-2.6.12-rc2

:::::: TO: Linus Torvalds <torvalds@ppc970.osdl.org>
:::::: CC: Linus Torvalds <torvalds@ppc970.osdl.org>

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