lists.openwall.net   lists  /  announce  owl-users  owl-dev  john-users  john-dev  passwdqc-users  yescrypt  popa3d-users  /  oss-security  kernel-hardening  musl  sabotage  tlsify  passwords  /  crypt-dev  xvendor  /  Bugtraq  Full-Disclosure  linux-kernel  linux-netdev  linux-ext4  linux-hardening  linux-cve-announce  PHC 
Open Source and information security mailing list archives
 
Hash Suite: Windows password security audit tool. GUI, reports in PDF.
[<prev] [next>] [day] [month] [year] [list]
Message-ID: <202007171125.PVgRHLei%lkp@intel.com>
Date:   Fri, 17 Jul 2020 11:32:38 +0800
From:   kernel test robot <lkp@...el.com>
To:     Luc Van Oostenryck <luc.vanoostenryck@...il.com>
Cc:     kbuild-all@...ts.01.org, linux-kernel@...r.kernel.org
Subject: drivers/tty/serial/ip22zilog.c:114:22: sparse: sparse: incorrect
 type in argument 2 (different address spaces)

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   07a56bb875afbe39dabbf6ba7b83783d166863db
commit: 670d0a4b10704667765f7d18f7592993d02783aa sparse: use identifiers to define address spaces
date:   4 weeks ago
config: mips-randconfig-s032-20200717 (attached as .config)
compiler: mips-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: v0.6.2-49-g707c5017-dirty
        git checkout 670d0a4b10704667765f7d18f7592993d02783aa
        # 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__' ARCH=mips 

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@...el.com>


sparse warnings: (new ones prefixed by >>)

>> drivers/tty/serial/ip22zilog.c:114:22: sparse: sparse: incorrect type in argument 2 (different address spaces) @@     expected void volatile [noderef] __iomem *mem @@     got unsigned char volatile * @@
>> drivers/tty/serial/ip22zilog.c:114:22: sparse:     expected void volatile [noderef] __iomem *mem
   drivers/tty/serial/ip22zilog.c:114:22: sparse:     got unsigned char volatile *
>> drivers/tty/serial/ip22zilog.c:116:25: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected void const volatile [noderef] __iomem *mem @@     got unsigned char volatile * @@
>> drivers/tty/serial/ip22zilog.c:116:25: sparse:     expected void const volatile [noderef] __iomem *mem
   drivers/tty/serial/ip22zilog.c:116:25: sparse:     got unsigned char volatile *
   drivers/tty/serial/ip22zilog.c:125:22: sparse: sparse: incorrect type in argument 2 (different address spaces) @@     expected void volatile [noderef] __iomem *mem @@     got unsigned char volatile * @@
   drivers/tty/serial/ip22zilog.c:125:22: sparse:     expected void volatile [noderef] __iomem *mem
   drivers/tty/serial/ip22zilog.c:125:22: sparse:     got unsigned char volatile *
   drivers/tty/serial/ip22zilog.c:127:24: sparse: sparse: incorrect type in argument 2 (different address spaces) @@     expected void volatile [noderef] __iomem *mem @@     got unsigned char volatile * @@
   drivers/tty/serial/ip22zilog.c:127:24: sparse:     expected void volatile [noderef] __iomem *mem
   drivers/tty/serial/ip22zilog.c:127:24: sparse:     got unsigned char volatile *
   drivers/tty/serial/ip22zilog.c:138:33: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected void const volatile [noderef] __iomem *mem @@     got unsigned char volatile * @@
   drivers/tty/serial/ip22zilog.c:138:33: sparse:     expected void const volatile [noderef] __iomem *mem
   drivers/tty/serial/ip22zilog.c:138:33: sparse:     got unsigned char volatile *
   drivers/tty/serial/ip22zilog.c:144:24: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected void const volatile [noderef] __iomem *mem @@     got unsigned char volatile * @@
   drivers/tty/serial/ip22zilog.c:144:24: sparse:     expected void const volatile [noderef] __iomem *mem
   drivers/tty/serial/ip22zilog.c:144:24: sparse:     got unsigned char volatile *
   drivers/tty/serial/ip22zilog.c:148:42: sparse: sparse: incorrect type in argument 2 (different address spaces) @@     expected void volatile [noderef] __iomem *mem @@     got unsigned char volatile * @@
   drivers/tty/serial/ip22zilog.c:148:42: sparse:     expected void volatile [noderef] __iomem *mem
   drivers/tty/serial/ip22zilog.c:148:42: sparse:     got unsigned char volatile *
   drivers/tty/serial/ip22zilog.c:170:26: sparse: sparse: incorrect type in argument 2 (different address spaces) @@     expected void volatile [noderef] __iomem *mem @@     got unsigned char volatile * @@
   drivers/tty/serial/ip22zilog.c:170:26: sparse:     expected void volatile [noderef] __iomem *mem
   drivers/tty/serial/ip22zilog.c:170:26: sparse:     got unsigned char volatile *
   drivers/tty/serial/ip22zilog.c:256:29: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected void const volatile [noderef] __iomem *mem @@     got unsigned char volatile * @@
   drivers/tty/serial/ip22zilog.c:256:29: sparse:     expected void const volatile [noderef] __iomem *mem
   drivers/tty/serial/ip22zilog.c:256:29: sparse:     got unsigned char volatile *
   drivers/tty/serial/ip22zilog.c:263:42: sparse: sparse: incorrect type in argument 2 (different address spaces) @@     expected void volatile [noderef] __iomem *mem @@     got unsigned char volatile * @@
   drivers/tty/serial/ip22zilog.c:263:42: sparse:     expected void volatile [noderef] __iomem *mem
   drivers/tty/serial/ip22zilog.c:263:42: sparse:     got unsigned char volatile *
   drivers/tty/serial/ip22zilog.c:268:29: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected void const volatile [noderef] __iomem *mem @@     got unsigned char volatile * @@
   drivers/tty/serial/ip22zilog.c:268:29: sparse:     expected void const volatile [noderef] __iomem *mem
   drivers/tty/serial/ip22zilog.c:268:29: sparse:     got unsigned char volatile *
   drivers/tty/serial/ip22zilog.c:318:25: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected void const volatile [noderef] __iomem *mem @@     got unsigned char volatile * @@
   drivers/tty/serial/ip22zilog.c:318:25: sparse:     expected void const volatile [noderef] __iomem *mem
   drivers/tty/serial/ip22zilog.c:318:25: sparse:     got unsigned char volatile *
   drivers/tty/serial/ip22zilog.c:321:30: sparse: sparse: incorrect type in argument 2 (different address spaces) @@     expected void volatile [noderef] __iomem *mem @@     got unsigned char volatile * @@
   drivers/tty/serial/ip22zilog.c:321:30: sparse:     expected void volatile [noderef] __iomem *mem
   drivers/tty/serial/ip22zilog.c:321:30: sparse:     got unsigned char volatile *
   drivers/tty/serial/ip22zilog.c:361:47: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected void const volatile [noderef] __iomem *mem @@     got unsigned char volatile * @@
   drivers/tty/serial/ip22zilog.c:361:47: sparse:     expected void const volatile [noderef] __iomem *mem
   drivers/tty/serial/ip22zilog.c:361:47: sparse:     got unsigned char volatile *
   drivers/tty/serial/ip22zilog.c:390:42: sparse: sparse: incorrect type in argument 2 (different address spaces) @@     expected void volatile [noderef] __iomem *mem @@     got unsigned char volatile * @@
   drivers/tty/serial/ip22zilog.c:390:42: sparse:     expected void volatile [noderef] __iomem *mem
   drivers/tty/serial/ip22zilog.c:390:42: sparse:     got unsigned char volatile *
   drivers/tty/serial/ip22zilog.c:408:40: sparse: sparse: incorrect type in argument 2 (different address spaces) @@     expected void volatile [noderef] __iomem *mem @@     got unsigned char volatile * @@
   drivers/tty/serial/ip22zilog.c:408:40: sparse:     expected void volatile [noderef] __iomem *mem
   drivers/tty/serial/ip22zilog.c:408:40: sparse:     got unsigned char volatile *
   drivers/tty/serial/ip22zilog.c:421:27: sparse: sparse: incorrect type in argument 2 (different address spaces) @@     expected void volatile [noderef] __iomem *mem @@     got unsigned char volatile * @@
   drivers/tty/serial/ip22zilog.c:421:27: sparse:     expected void volatile [noderef] __iomem *mem
   drivers/tty/serial/ip22zilog.c:421:27: sparse:     got unsigned char volatile *
>> drivers/tty/serial/ip22zilog.c:432:27: sparse: sparse: cast removes address space '__iomem' of expression
   drivers/tty/serial/ip22zilog.c:441:44: sparse: sparse: incorrect type in argument 2 (different address spaces) @@     expected void volatile [noderef] __iomem *mem @@     got unsigned char volatile * @@
   drivers/tty/serial/ip22zilog.c:441:44: sparse:     expected void volatile [noderef] __iomem *mem
   drivers/tty/serial/ip22zilog.c:441:44: sparse:     got unsigned char volatile *
   drivers/tty/serial/ip22zilog.c:459:27: sparse: sparse: cast removes address space '__iomem' of expression
   drivers/tty/serial/ip22zilog.c:464:44: sparse: sparse: incorrect type in argument 2 (different address spaces) @@     expected void volatile [noderef] __iomem *mem @@     got unsigned char volatile * @@
   drivers/tty/serial/ip22zilog.c:464:44: sparse:     expected void volatile [noderef] __iomem *mem
   drivers/tty/serial/ip22zilog.c:464:44: sparse:     got unsigned char volatile *
   drivers/tty/serial/ip22zilog.c:546:41: sparse: sparse: cast removes address space '__iomem' of expression
   drivers/tty/serial/ip22zilog.c:580:41: sparse: sparse: cast removes address space '__iomem' of expression
   drivers/tty/serial/ip22zilog.c:586:25: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected void const volatile [noderef] __iomem *mem @@     got unsigned char volatile * @@
   drivers/tty/serial/ip22zilog.c:586:25: sparse:     expected void const volatile [noderef] __iomem *mem
   drivers/tty/serial/ip22zilog.c:586:25: sparse:     got unsigned char volatile *
   drivers/tty/serial/ip22zilog.c:597:39: sparse: sparse: incorrect type in argument 2 (different address spaces) @@     expected void volatile [noderef] __iomem *mem @@     got unsigned char volatile * @@
   drivers/tty/serial/ip22zilog.c:597:39: sparse:     expected void volatile [noderef] __iomem *mem
   drivers/tty/serial/ip22zilog.c:597:39: sparse:     got unsigned char volatile *
   drivers/tty/serial/ip22zilog.c:608:48: sparse: sparse: incorrect type in argument 2 (different address spaces) @@     expected void volatile [noderef] __iomem *mem @@     got unsigned char volatile * @@
   drivers/tty/serial/ip22zilog.c:608:48: sparse:     expected void volatile [noderef] __iomem *mem
   drivers/tty/serial/ip22zilog.c:608:48: sparse:     got unsigned char volatile *
   drivers/tty/serial/ip22zilog.c:629:19: sparse: sparse: cast removes address space '__iomem' of expression
   drivers/tty/serial/ip22zilog.c:641:41: sparse: sparse: cast removes address space '__iomem' of expression
   drivers/tty/serial/ip22zilog.c:658:41: sparse: sparse: cast removes address space '__iomem' of expression
   drivers/tty/serial/ip22zilog.c:691:19: sparse: sparse: cast removes address space '__iomem' of expression
   drivers/tty/serial/ip22zilog.c:701:27: sparse: sparse: cast removes address space '__iomem' of expression
   drivers/tty/serial/ip22zilog.c:715:19: sparse: sparse: cast removes address space '__iomem' of expression
   drivers/tty/serial/ip22zilog.c:722:34: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected void const volatile [noderef] __iomem *mem @@     got unsigned char volatile * @@
   drivers/tty/serial/ip22zilog.c:722:34: sparse:     expected void const volatile [noderef] __iomem *mem
   drivers/tty/serial/ip22zilog.c:722:34: sparse:     got unsigned char volatile *
   drivers/tty/serial/ip22zilog.c:782:19: sparse: sparse: cast removes address space '__iomem' of expression
   drivers/tty/serial/ip22zilog.c:896:41: sparse: sparse: cast removes address space '__iomem' of expression
   drivers/tty/serial/ip22zilog.c:995:41: sparse: sparse: cast removes address space '__iomem' of expression
   drivers/tty/serial/ip22zilog.c:1002:44: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected void const volatile [noderef] __iomem *mem @@     got unsigned char volatile * @@
   drivers/tty/serial/ip22zilog.c:1002:44: sparse:     expected void const volatile [noderef] __iomem *mem
   drivers/tty/serial/ip22zilog.c:1002:44: sparse:     got unsigned char volatile *
   drivers/tty/serial/ip22zilog.c:1010:21: sparse: sparse: incorrect type in argument 2 (different address spaces) @@     expected void volatile [noderef] __iomem *mem @@     got unsigned char volatile * @@
   drivers/tty/serial/ip22zilog.c:1010:21: sparse:     expected void volatile [noderef] __iomem *mem
   drivers/tty/serial/ip22zilog.c:1010:21: sparse:     got unsigned char volatile *
>> drivers/tty/serial/ip22zilog.c:1100:57: sparse: sparse: incorrect type in assignment (different address spaces) @@     expected unsigned char [noderef] __iomem *membase @@     got char * @@
>> drivers/tty/serial/ip22zilog.c:1100:57: sparse:     expected unsigned char [noderef] __iomem *membase
   drivers/tty/serial/ip22zilog.c:1100:57: sparse:     got char *
   drivers/tty/serial/ip22zilog.c:1101:57: sparse: sparse: incorrect type in assignment (different address spaces) @@     expected unsigned char [noderef] __iomem *membase @@     got char * @@
   drivers/tty/serial/ip22zilog.c:1101:57: sparse:     expected unsigned char [noderef] __iomem *membase
   drivers/tty/serial/ip22zilog.c:1101:57: sparse:     got char *
>> drivers/tty/serial/ip22zilog.c:1205:29: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected void const volatile [noderef] __iomem *addr @@     got void * @@
>> drivers/tty/serial/ip22zilog.c:1205:29: sparse:     expected void const volatile [noderef] __iomem *addr
   drivers/tty/serial/ip22zilog.c:1205:29: sparse:     got void *
   drivers/tty/serial/ip22zilog.c:1209:34: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected void const volatile [noderef] __iomem *addr @@     got void * @@
   drivers/tty/serial/ip22zilog.c:1209:34: sparse:     expected void const volatile [noderef] __iomem *addr
   drivers/tty/serial/ip22zilog.c:1209:34: sparse:     got void *
   drivers/tty/serial/ip22zilog.c:494:19: sparse: sparse: cast removes address space '__iomem' of expression
   drivers/tty/serial/ip22zilog.c:495:25: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected void const volatile [noderef] __iomem *mem @@     got unsigned char volatile * @@
   drivers/tty/serial/ip22zilog.c:495:25: sparse:     expected void const volatile [noderef] __iomem *mem
   drivers/tty/serial/ip22zilog.c:495:25: sparse:     got unsigned char volatile *
   drivers/tty/serial/ip22zilog.c:494:19: sparse: sparse: cast removes address space '__iomem' of expression
   drivers/tty/serial/ip22zilog.c:495:25: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected void const volatile [noderef] __iomem *mem @@     got unsigned char volatile * @@
   drivers/tty/serial/ip22zilog.c:495:25: sparse:     expected void const volatile [noderef] __iomem *mem
   drivers/tty/serial/ip22zilog.c:495:25: sparse:     got unsigned char volatile *

vim +114 drivers/tty/serial/ip22zilog.c

^1da177e4c3f41 drivers/serial/ip22zilog.c Linus Torvalds 2005-04-16  100  
^1da177e4c3f41 drivers/serial/ip22zilog.c Linus Torvalds 2005-04-16  101  /* Reading and writing Zilog8530 registers.  The delays are to make this
^1da177e4c3f41 drivers/serial/ip22zilog.c Linus Torvalds 2005-04-16  102   * driver work on the IP22 which needs a settling delay after each chip
^1da177e4c3f41 drivers/serial/ip22zilog.c Linus Torvalds 2005-04-16  103   * register access, other machines handle this in hardware via auxiliary
^1da177e4c3f41 drivers/serial/ip22zilog.c Linus Torvalds 2005-04-16  104   * flip-flops which implement the settle time we do in software.
^1da177e4c3f41 drivers/serial/ip22zilog.c Linus Torvalds 2005-04-16  105   *
^1da177e4c3f41 drivers/serial/ip22zilog.c Linus Torvalds 2005-04-16  106   * The port lock must be held and local IRQs must be disabled
^1da177e4c3f41 drivers/serial/ip22zilog.c Linus Torvalds 2005-04-16  107   * when {read,write}_zsreg is invoked.
^1da177e4c3f41 drivers/serial/ip22zilog.c Linus Torvalds 2005-04-16  108   */
^1da177e4c3f41 drivers/serial/ip22zilog.c Linus Torvalds 2005-04-16  109  static unsigned char read_zsreg(struct zilog_channel *channel,
^1da177e4c3f41 drivers/serial/ip22zilog.c Linus Torvalds 2005-04-16  110  				unsigned char reg)
^1da177e4c3f41 drivers/serial/ip22zilog.c Linus Torvalds 2005-04-16  111  {
^1da177e4c3f41 drivers/serial/ip22zilog.c Linus Torvalds 2005-04-16  112  	unsigned char retval;
^1da177e4c3f41 drivers/serial/ip22zilog.c Linus Torvalds 2005-04-16  113  
^1da177e4c3f41 drivers/serial/ip22zilog.c Linus Torvalds 2005-04-16 @114  	writeb(reg, &channel->control);
^1da177e4c3f41 drivers/serial/ip22zilog.c Linus Torvalds 2005-04-16  115  	ZSDELAY();
^1da177e4c3f41 drivers/serial/ip22zilog.c Linus Torvalds 2005-04-16 @116  	retval = readb(&channel->control);
^1da177e4c3f41 drivers/serial/ip22zilog.c Linus Torvalds 2005-04-16  117  	ZSDELAY();
^1da177e4c3f41 drivers/serial/ip22zilog.c Linus Torvalds 2005-04-16  118  
^1da177e4c3f41 drivers/serial/ip22zilog.c Linus Torvalds 2005-04-16  119  	return retval;
^1da177e4c3f41 drivers/serial/ip22zilog.c Linus Torvalds 2005-04-16  120  }
^1da177e4c3f41 drivers/serial/ip22zilog.c Linus Torvalds 2005-04-16  121  

:::::: The code at line 114 was first introduced by commit
:::::: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Linux-2.6.12-rc2

:::::: TO: Linus Torvalds <torvalds@...970.osdl.org>
:::::: CC: Linus Torvalds <torvalds@...970.osdl.org>

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org

Download attachment ".config.gz" of type "application/gzip" (19008 bytes)

Powered by blists - more mailing lists

Powered by Openwall GNU/*/Linux Powered by OpenVZ