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From: kernel test robot <lkp@intel.com>
To: kbuild-all@lists.01.org
Subject: [p2pmem:martin/map_sg_cleanup 11/15] arch/sparc/kernel/iommu.c:165:3: error: expected ')' before 'return'
Date: Tue, 22 Jun 2021 08:50:35 +0800	[thread overview]
Message-ID: <202106220821.dQv16i2u-lkp@intel.com> (raw)

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tree:   https://github.com/sbates130272/linux-p2pmem.git martin/map_sg_cleanup
head:   820685259796d140a9daaf67c2889a188f0080f6
commit: 03f23088d07a92e502728eb2234a6ed52ea7794a [11/15] sparc: return error code from iommu_tbl_range_alloc()
config: sparc-randconfig-p001-20210621 (attached as .config)
compiler: sparc64-linux-gcc (GCC) 9.3.0
reproduce (this is a W=1 build):
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # https://github.com/sbates130272/linux-p2pmem/commit/03f23088d07a92e502728eb2234a6ed52ea7794a
        git remote add p2pmem https://github.com/sbates130272/linux-p2pmem.git
        git fetch --no-tags p2pmem martin/map_sg_cleanup
        git checkout 03f23088d07a92e502728eb2234a6ed52ea7794a
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=sparc 

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

All errors (new ones prefixed by >>):

   arch/sparc/kernel/iommu.c: In function 'alloc_npages':
>> arch/sparc/kernel/iommu.c:165:3: error: expected ')' before 'return'
     165 |   return NULL;
         |   ^~~~~~
   arch/sparc/kernel/iommu.c:164:5: note: to match this '('
     164 |  if (unlikely((entry < 0))
         |     ^
>> arch/sparc/kernel/iommu.c:168:1: error: expected expression before '}' token
     168 | }
         | ^
   arch/sparc/kernel/iommu.c:168:1: error: no return statement in function returning non-void [-Werror=return-type]
   cc1: all warnings being treated as errors
--
>> arch/sparc/kernel/iommu-common.c:97:6: error: conflicting types for 'iommu_tbl_range_alloc'
      97 | long iommu_tbl_range_alloc(struct device *dev,
         |      ^~~~~~~~~~~~~~~~~~~~~
   In file included from arch/sparc/kernel/iommu-common.c:13:
   arch/sparc/include/asm/iommu-common.h:42:22: note: previous declaration of 'iommu_tbl_range_alloc' was here
      42 | extern unsigned long iommu_tbl_range_alloc(struct device *dev,
         |                      ^~~~~~~~~~~~~~~~~~~~~


vim +165 arch/sparc/kernel/iommu.c

^1da177e4c3f415 arch/sparc64/kernel/pci_iommu.c Linus Torvalds   2005-04-16  155  
bb620c3d3925aec arch/sparc/kernel/iommu.c       Sowmini Varadhan 2015-04-09  156  static inline iopte_t *alloc_npages(struct device *dev,
bb620c3d3925aec arch/sparc/kernel/iommu.c       Sowmini Varadhan 2015-04-09  157  				    struct iommu *iommu,
d284142cbad6683 arch/sparc64/kernel/iommu.c     David S. Miller  2008-02-08  158  				    unsigned long npages)
^1da177e4c3f415 arch/sparc64/kernel/pci_iommu.c Linus Torvalds   2005-04-16  159  {
03f23088d07a92e arch/sparc/kernel/iommu.c       Martin Oliveira  2021-06-21  160  	long entry;
^1da177e4c3f415 arch/sparc64/kernel/pci_iommu.c Linus Torvalds   2005-04-16  161  
bb620c3d3925aec arch/sparc/kernel/iommu.c       Sowmini Varadhan 2015-04-09  162  	entry = iommu_tbl_range_alloc(dev, &iommu->tbl, npages, NULL,
bb620c3d3925aec arch/sparc/kernel/iommu.c       Sowmini Varadhan 2015-04-09  163  				      (unsigned long)(-1), 0);
03f23088d07a92e arch/sparc/kernel/iommu.c       Martin Oliveira  2021-06-21  164  	if (unlikely((entry < 0))
^1da177e4c3f415 arch/sparc64/kernel/pci_iommu.c Linus Torvalds   2005-04-16 @165  		return NULL;
^1da177e4c3f415 arch/sparc64/kernel/pci_iommu.c Linus Torvalds   2005-04-16  166  
03f23088d07a92e arch/sparc/kernel/iommu.c       Martin Oliveira  2021-06-21  167  	return iommu->page_table + (unsigned long) entry;
^1da177e4c3f415 arch/sparc64/kernel/pci_iommu.c Linus Torvalds   2005-04-16 @168  }
^1da177e4c3f415 arch/sparc64/kernel/pci_iommu.c Linus Torvalds   2005-04-16  169  

:::::: The code at line 165 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>

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

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                 reply	other threads:[~2021-06-22  0:50 UTC|newest]

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