linux-kernel - drivers/mtd/devices/phram.c:85:34: sparse: sparse: incorrect type in argument 1 (different address spaces)

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Message-ID: <202006280455.W3gbCKiE%lkp@intel.com>
Date:   Sun, 28 Jun 2020 04:10:03 +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/mtd/devices/phram.c:85:34: sparse: sparse: incorrect type in
 argument 1 (different address spaces)

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   4e99b32169e84b4ece5a1d74eb0b7e4ef07866b3
commit: 670d0a4b10704667765f7d18f7592993d02783aa sparse: use identifiers to define address spaces
date:   9 days ago
config: parisc-randconfig-s032-20200628 (attached as .config)
compiler: hppa64-linux-gcc (GCC) 9.3.0
reproduce:
        # apt-get install sparse
        # sparse version: v0.6.2-dirty
        git checkout 670d0a4b10704667765f7d18f7592993d02783aa
        # save the attached .config to linux build tree
        make W=1 C=1 ARCH=parisc CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__'

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/mtd/devices/phram.c:85:34: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected void const volatile [noderef] __iomem *addr @@     got void *priv @@
>> drivers/mtd/devices/phram.c:85:34: sparse:     expected void const volatile [noderef] __iomem *addr
   drivers/mtd/devices/phram.c:85:34: sparse:     got void *priv
   drivers/mtd/devices/phram.c:101:23: sparse: sparse: incorrect type in assignment (different address spaces) @@     expected void *priv @@     got void [noderef] __iomem * @@
   drivers/mtd/devices/phram.c:101:23: sparse:     expected void *priv
   drivers/mtd/devices/phram.c:101:23: sparse:     got void [noderef] __iomem *
   drivers/mtd/devices/phram.c:131:25: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected void const volatile [noderef] __iomem *addr @@     got void *priv @@
   drivers/mtd/devices/phram.c:131:25: sparse:     expected void const volatile [noderef] __iomem *addr
   drivers/mtd/devices/phram.c:131:25: sparse:     got void *priv

vim +85 drivers/mtd/devices/phram.c

^1da177e4c3f41 Linus Torvalds 2005-04-16  78  
^1da177e4c3f41 Linus Torvalds 2005-04-16  79  static void unregister_devices(void)
^1da177e4c3f41 Linus Torvalds 2005-04-16  80  {
d30f11d22549c5 Joern Engel    2005-02-23  81  	struct phram_mtd_list *this, *safe;
^1da177e4c3f41 Linus Torvalds 2005-04-16  82  
d30f11d22549c5 Joern Engel    2005-02-23  83  	list_for_each_entry_safe(this, safe, &phram_list, list) {
ee0e87b174bb41 Jamie Iles     2011-05-23  84  		mtd_device_unregister(&this->mtd);
^1da177e4c3f41 Linus Torvalds 2005-04-16 @85  		iounmap(this->mtd.priv);
f17f12ce9dd6ec Mathias Krause 2011-01-30  86  		kfree(this->mtd.name);
^1da177e4c3f41 Linus Torvalds 2005-04-16  87  		kfree(this);
^1da177e4c3f41 Linus Torvalds 2005-04-16  88  	}
^1da177e4c3f41 Linus Torvalds 2005-04-16  89  }
^1da177e4c3f41 Linus Torvalds 2005-04-16  90  

:::::: The code at line 85 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" (27266 bytes)