CC: [email protected]
CC: [email protected]
TO: Stafford Horne <[email protected]>

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git 
master
head:   7f75285ca572eaabc028cf78c6ab5473d0d160be
commit: c1d55d50139bea6bfe964458272a93dd899efb83 asm-generic/io.h: Fix sparse 
warnings on big-endian architectures
date:   8 months ago
:::::: branch date: 13 hours ago
:::::: commit date: 8 months ago
config: ia64-randconfig-s032-20210415 (attached as .config)
compiler: ia64-linux-gcc (GCC) 9.3.0
reproduce:
        wget 
https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O 
~/bin/make.cross
        chmod +x ~/bin/make.cross
        # apt-get install sparse
        # sparse version: v0.6.3-280-g2cd6d34e-dirty
        # 
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=c1d55d50139bea6bfe964458272a93dd899efb83
        git remote add linus 
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
        git fetch --no-tags linus master
        git checkout c1d55d50139bea6bfe964458272a93dd899efb83
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross C=1 
CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' W=1 ARCH=ia64 

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


sparse warnings: (new ones prefixed by >>)
   drivers/atm/nicstar.c:542:17: sparse: sparse: incorrect type in assignment 
(different base types) @@     expected unsigned int [usertype] word_2 @@     
got restricted __le32 [usertype] @@
   drivers/atm/nicstar.c:542:17: sparse:     expected unsigned int [usertype] 
word_2
   drivers/atm/nicstar.c:542:17: sparse:     got restricted __le32 [usertype]
   drivers/atm/nicstar.c:561:17: sparse: sparse: incorrect type in assignment 
(different base types) @@     expected unsigned int [usertype] word_4 @@     
got restricted __le32 [usertype] @@
   drivers/atm/nicstar.c:561:17: sparse:     expected unsigned int [usertype] 
word_4
   drivers/atm/nicstar.c:561:17: sparse:     got restricted __le32 [usertype]
   drivers/atm/nicstar.c:1149:29: sparse: sparse: cast to restricted __le32
   drivers/atm/nicstar.c:1154:56: sparse: sparse: cast to restricted __le32
   drivers/atm/nicstar.c:1484:30: sparse: sparse: cast to restricted __le32
   drivers/atm/nicstar.c:1490:44: sparse: sparse: incorrect type in assignment 
(different base types) @@     expected unsigned int [usertype] word_1 @@     
got restricted __le32 [usertype] @@
   drivers/atm/nicstar.c:1490:44: sparse:     expected unsigned int [usertype] 
word_1
   drivers/atm/nicstar.c:1490:44: sparse:     got restricted __le32 [usertype]
   drivers/atm/nicstar.c:1493:44: sparse: sparse: incorrect type in assignment 
(different base types) @@     expected unsigned int [usertype] word_2 @@     
got restricted __le32 [usertype] @@
   drivers/atm/nicstar.c:1493:44: sparse:     expected unsigned int [usertype] 
word_2
   drivers/atm/nicstar.c:1493:44: sparse:     got restricted __le32 [usertype]
   drivers/atm/nicstar.c:1673:29: sparse: sparse: incorrect type in assignment 
(different base types) @@     expected unsigned int [usertype] word_2 @@     
got restricted __le32 [usertype] @@
   drivers/atm/nicstar.c:1673:29: sparse:     expected unsigned int [usertype] 
word_2
   drivers/atm/nicstar.c:1673:29: sparse:     got restricted __le32 [usertype]
   drivers/atm/nicstar.c:1674:29: sparse: sparse: incorrect type in assignment 
(different base types) @@     expected unsigned int [usertype] word_3 @@     
got restricted __le32 [usertype] @@
   drivers/atm/nicstar.c:1674:29: sparse:     expected unsigned int [usertype] 
word_3
   drivers/atm/nicstar.c:1674:29: sparse:     got restricted __le32 [usertype]
   drivers/atm/nicstar.c:1675:29: sparse: sparse: incorrect type in assignment 
(different base types) @@     expected unsigned int [usertype] word_4 @@     
got restricted __le32 [usertype] @@
   drivers/atm/nicstar.c:1675:29: sparse:     expected unsigned int [usertype] 
word_4
   drivers/atm/nicstar.c:1675:29: sparse:     got restricted __le32 [usertype]
   drivers/atm/nicstar.c:1684:29: sparse: sparse: incorrect type in assignment 
(different base types) @@     expected unsigned int [usertype] word_2 @@     
got restricted __le32 [usertype] @@
   drivers/atm/nicstar.c:1684:29: sparse:     expected unsigned int [usertype] 
word_2
   drivers/atm/nicstar.c:1684:29: sparse:     got restricted __le32 [usertype]
   drivers/atm/nicstar.c:1685:29: sparse: sparse: incorrect type in assignment 
(different base types) @@     expected unsigned int [usertype] word_3 @@     
got restricted __le32 [usertype] @@
   drivers/atm/nicstar.c:1685:29: sparse:     expected unsigned int [usertype] 
word_3
   drivers/atm/nicstar.c:1685:29: sparse:     got restricted __le32 [usertype]
   drivers/atm/nicstar.c:1688:29: sparse: sparse: incorrect type in assignment 
(different base types) @@     expected unsigned int [usertype] word_4 @@     
got restricted __le32 [usertype] @@
   drivers/atm/nicstar.c:1688:29: sparse:     expected unsigned int [usertype] 
word_4
   drivers/atm/nicstar.c:1688:29: sparse:     got restricted __le32 [usertype]
   drivers/atm/nicstar.c:1691:29: sparse: sparse: invalid assignment: |=
   drivers/atm/nicstar.c:1691:29: sparse:    left side has type unsigned int
   drivers/atm/nicstar.c:1691:29: sparse:    right side has type restricted 
__le32
   drivers/atm/nicstar.c:1699:29: sparse: sparse: incorrect type in assignment 
(different base types) @@     expected unsigned int [usertype] word_1 @@     
got restricted __le32 [usertype] @@
   drivers/atm/nicstar.c:1699:29: sparse:     expected unsigned int [usertype] 
word_1
   drivers/atm/nicstar.c:1699:29: sparse:     got restricted __le32 [usertype]
   drivers/atm/nicstar.c:1702:29: sparse: sparse: incorrect type in assignment 
(different base types) @@     expected unsigned int [usertype] word_1 @@     
got restricted __le32 [usertype] @@
   drivers/atm/nicstar.c:1702:29: sparse:     expected unsigned int [usertype] 
word_1
   drivers/atm/nicstar.c:1702:29: sparse:     got restricted __le32 [usertype]
   drivers/atm/nicstar.c:1793:36: sparse: sparse: incorrect type in assignment 
(different base types) @@     expected unsigned int [usertype] word_1 @@     
got restricted __le32 [usertype] @@
   drivers/atm/nicstar.c:1793:36: sparse:     expected unsigned int [usertype] 
word_1
   drivers/atm/nicstar.c:1793:36: sparse:     got restricted __le32 [usertype]
   drivers/atm/nicstar.c:1799:36: sparse: sparse: incorrect type in assignment 
(different base types) @@     expected unsigned int [usertype] word_2 @@     
got restricted __le32 [usertype] @@
   drivers/atm/nicstar.c:1799:36: sparse:     expected unsigned int [usertype] 
word_2
   drivers/atm/nicstar.c:1799:36: sparse:     got restricted __le32 [usertype]
   drivers/atm/nicstar.c:1848:17: sparse: sparse: cast to restricted __le32
   drivers/atm/nicstar.c:1848:52: sparse: sparse: cast to restricted __le32
   drivers/atm/nicstar.c:1849:17: sparse: sparse: cast to restricted __le32
   drivers/atm/nicstar.c:1855:24: sparse: sparse: cast to restricted __le32
   drivers/atm/nicstar.c:1862:22: sparse: sparse: cast to restricted __le32
   drivers/atm/nicstar.c:1863:32: sparse: sparse: cast to restricted __le32
   drivers/atm/nicstar.c:1871:41: sparse: sparse: incorrect type in assignment 
(different base types) @@     expected unsigned int [usertype] word_2 @@     
got restricted __le32 [usertype] @@
   drivers/atm/nicstar.c:1871:41: sparse:     expected unsigned int [usertype] 
word_2
   drivers/atm/nicstar.c:1871:41: sparse:     got restricted __le32 [usertype]
   drivers/atm/nicstar.c:1876:46: sparse: sparse: cast to restricted __le32
   drivers/atm/nicstar.c:1881:17: sparse: sparse: incorrect type in assignment 
(different base types) @@     expected unsigned int [usertype] word_2 @@     
got restricted __le32 [usertype] @@
   drivers/atm/nicstar.c:1881:17: sparse:     expected unsigned int [usertype] 
word_2
   drivers/atm/nicstar.c:1881:17: sparse:     got restricted __le32 [usertype]
   drivers/atm/nicstar.c:1950:14: sparse: sparse: cast to restricted __le32
   drivers/atm/nicstar.c:1960:18: sparse: sparse: cast to restricted __le32
   drivers/atm/nicstar.c:1954:17: sparse: sparse: incorrect type in assignment 
(different base types) @@     expected unsigned int [usertype] word_4 @@     
got restricted __le32 [usertype] @@
   drivers/atm/nicstar.c:1954:17: sparse:     expected unsigned int [usertype] 
word_4
   drivers/atm/nicstar.c:1954:17: sparse:     got restricted __le32 [usertype]
   drivers/atm/nicstar.c:1981:14: sparse: sparse: cast to restricted __le32
   drivers/atm/nicstar.c:1998:15: sparse: sparse: cast to restricted __le32
   drivers/atm/nicstar.c:1999:15: sparse: sparse: cast to restricted __le32
   drivers/atm/nicstar.c:2023:26: sparse: sparse: cast to restricted __le32
   drivers/atm/nicstar.c:2041:47: sparse: sparse: cast to restricted __le32
   drivers/atm/nicstar.c:2042:30: sparse: sparse: cast to restricted __le32
   drivers/atm/nicstar.c:2043:39: sparse: sparse: cast to restricted __le32
   drivers/atm/nicstar.c:2101:23: sparse: sparse: incorrect type in assignment 
(different address spaces) @@     expected void [noderef] __user *iov_base @@   
  got void * @@
   drivers/atm/nicstar.c:2101:23: sparse:     expected void [noderef] __user 
*iov_base
   drivers/atm/nicstar.c:2101:23: sparse:     got void *
   drivers/atm/nicstar.c:2102:24: sparse: sparse: cast to restricted __le32
   drivers/atm/nicstar.c:2135:13: sparse: sparse: cast to restricted __le32
   drivers/atm/nicstar.c:2141:21: sparse: sparse: cast to restricted __le32
   drivers/atm/nicstar.c:2174:31: sparse: sparse: cast removes address space 
'__user' of expression
   drivers/atm/nicstar.c:2281:39: sparse: sparse: cast removes address space 
'__user' of expression
   drivers/atm/nicstar.c:2292:47: sparse: sparse: cast removes address space 
'__user' of expression
   drivers/atm/nicstar.c:2335:39: sparse: sparse: cast removes address space 
'__user' of expression
   drivers/atm/nicstar.c:2569:26: sparse: sparse: cast removes address space 
'__user' of expression
>> drivers/atm/nicstar.c:2691:37: sparse: sparse: context imbalance in 
>> 'ns_poll' - different lock contexts for basic block

vim +/ns_poll +2691 drivers/atm/nicstar.c

^1da177e4c3f41 Linus Torvalds             2005-04-16  2682  
e99e88a9d2b067 Kees Cook                  2017-10-16  2683  static void 
ns_poll(struct timer_list *unused)
^1da177e4c3f41 Linus Torvalds             2005-04-16  2684  {
^1da177e4c3f41 Linus Torvalds             2005-04-16  2685      int i;
^1da177e4c3f41 Linus Torvalds             2005-04-16  2686      ns_dev *card;
^1da177e4c3f41 Linus Torvalds             2005-04-16  2687      unsigned long 
flags;
^1da177e4c3f41 Linus Torvalds             2005-04-16  2688      u32 stat_r, 
stat_w;
^1da177e4c3f41 Linus Torvalds             2005-04-16  2689  
^1da177e4c3f41 Linus Torvalds             2005-04-16  2690      
PRINTK("nicstar: Entering ns_poll().\n");
098fde114bf665 chas williams - CONTRACTOR 2010-05-29 @2691      for (i = 0; i < 
num_cards; i++) {
^1da177e4c3f41 Linus Torvalds             2005-04-16  2692              card = 
cards[i];
9a694c1de396e2 Lance Roy                  2018-10-04  2693              if 
(!spin_trylock_irqsave(&card->int_lock, flags)) {
^1da177e4c3f41 Linus Torvalds             2005-04-16  2694                      
/* Probably it isn't worth spinning */
^1da177e4c3f41 Linus Torvalds             2005-04-16  2695                      
continue;
^1da177e4c3f41 Linus Torvalds             2005-04-16  2696              }
^1da177e4c3f41 Linus Torvalds             2005-04-16  2697  
^1da177e4c3f41 Linus Torvalds             2005-04-16  2698              stat_w 
= 0;
^1da177e4c3f41 Linus Torvalds             2005-04-16  2699              stat_r 
= readl(card->membase + STAT);
^1da177e4c3f41 Linus Torvalds             2005-04-16  2700              if 
(stat_r & NS_STAT_TSIF)
^1da177e4c3f41 Linus Torvalds             2005-04-16  2701                      
stat_w |= NS_STAT_TSIF;
^1da177e4c3f41 Linus Torvalds             2005-04-16  2702              if 
(stat_r & NS_STAT_EOPDU)
^1da177e4c3f41 Linus Torvalds             2005-04-16  2703                      
stat_w |= NS_STAT_EOPDU;
^1da177e4c3f41 Linus Torvalds             2005-04-16  2704  
^1da177e4c3f41 Linus Torvalds             2005-04-16  2705              
process_tsq(card);
^1da177e4c3f41 Linus Torvalds             2005-04-16  2706              
process_rsq(card);
^1da177e4c3f41 Linus Torvalds             2005-04-16  2707  
^1da177e4c3f41 Linus Torvalds             2005-04-16  2708              
writel(stat_w, card->membase + STAT);
^1da177e4c3f41 Linus Torvalds             2005-04-16  2709              
spin_unlock_irqrestore(&card->int_lock, flags);
^1da177e4c3f41 Linus Torvalds             2005-04-16  2710      }
^1da177e4c3f41 Linus Torvalds             2005-04-16  2711      
mod_timer(&ns_timer, jiffies + NS_POLL_PERIOD);
^1da177e4c3f41 Linus Torvalds             2005-04-16  2712      
PRINTK("nicstar: Leaving ns_poll().\n");
^1da177e4c3f41 Linus Torvalds             2005-04-16  2713  }
^1da177e4c3f41 Linus Torvalds             2005-04-16  2714  

:::::: The code at line 2691 was first introduced by commit
:::::: 098fde114bf6655f4b75d71dbea208d039fc1de3 atm: [nicstar] reformatted with 
Lindent

:::::: TO: chas williams - CONTRACTOR <[email protected]>
:::::: CC: David S. Miller <[email protected]>

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/[email protected]

Attachment: .config.gz
Description: application/gzip

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