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From: kernel test robot <lkp@intel.com>
To: kbuild-all@lists.01.org
Subject: [mcgrof-next:20210708-block-fixes-v2 55/89] drivers/nvdimm/blk.c:271:2: error: use of undeclared identifier 'rc'
Date: Thu, 15 Jul 2021 21:42:04 +0800	[thread overview]
Message-ID: <202107152155.eVKkRxTH-lkp@intel.com> (raw)

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tree:   https://git.kernel.org/pub/scm/linux/kernel/git/mcgrof/linux-next.git 20210708-block-fixes-v2
head:   db0174e39de7dc941f158ce53ee3af95b1635b62
commit: 32410056e36f4457d51df601c9a6ebc24b564652 [55/89] nvdimm/blk: add error handling support for add_disk()
config: powerpc64-randconfig-r033-20210715 (attached as .config)
compiler: clang version 13.0.0 (https://github.com/llvm/llvm-project 0e49c54a8cbd3e779e5526a5888c683c01cc3c50)
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
        # install powerpc64 cross compiling tool for clang build
        # apt-get install binutils-powerpc64-linux-gnu
        # https://git.kernel.org/pub/scm/linux/kernel/git/mcgrof/linux-next.git/commit/?id=32410056e36f4457d51df601c9a6ebc24b564652
        git remote add mcgrof-next https://git.kernel.org/pub/scm/linux/kernel/git/mcgrof/linux-next.git
        git fetch --no-tags mcgrof-next 20210708-block-fixes-v2
        git checkout 32410056e36f4457d51df601c9a6ebc24b564652
        # save the attached .config to linux build tree
        mkdir build_dir
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross O=build_dir ARCH=powerpc SHELL=/bin/bash drivers/block/ drivers/nvdimm/

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 >>):

   In file included from arch/powerpc/include/asm/io.h:619:
   arch/powerpc/include/asm/io-defs.h:45:1: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
   DEF_PCI_AC_NORET(insw, (unsigned long p, void *b, unsigned long c),
   ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   arch/powerpc/include/asm/io.h:616:3: note: expanded from macro 'DEF_PCI_AC_NORET'
                   __do_##name al;                                 \
                   ^~~~~~~~~~~~~~
   <scratch space>:184:1: note: expanded from here
   __do_insw
   ^
   arch/powerpc/include/asm/io.h:557:56: note: expanded from macro '__do_insw'
   #define __do_insw(p, b, n)      readsw((PCI_IO_ADDR)_IO_BASE+(p), (b), (n))
                                          ~~~~~~~~~~~~~~~~~~~~~^
   In file included from drivers/nvdimm/blk.c:7:
   In file included from include/linux/blkdev.h:18:
   In file included from include/linux/bio.h:8:
   In file included from include/linux/highmem.h:10:
   In file included from include/linux/hardirq.h:11:
   In file included from arch/powerpc/include/asm/hardirq.h:6:
   In file included from include/linux/irq.h:20:
   In file included from include/linux/io.h:13:
   In file included from arch/powerpc/include/asm/io.h:619:
   arch/powerpc/include/asm/io-defs.h:47:1: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
   DEF_PCI_AC_NORET(insl, (unsigned long p, void *b, unsigned long c),
   ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   arch/powerpc/include/asm/io.h:616:3: note: expanded from macro 'DEF_PCI_AC_NORET'
                   __do_##name al;                                 \
                   ^~~~~~~~~~~~~~
   <scratch space>:186:1: note: expanded from here
   __do_insl
   ^
   arch/powerpc/include/asm/io.h:558:56: note: expanded from macro '__do_insl'
   #define __do_insl(p, b, n)      readsl((PCI_IO_ADDR)_IO_BASE+(p), (b), (n))
                                          ~~~~~~~~~~~~~~~~~~~~~^
   In file included from drivers/nvdimm/blk.c:7:
   In file included from include/linux/blkdev.h:18:
   In file included from include/linux/bio.h:8:
   In file included from include/linux/highmem.h:10:
   In file included from include/linux/hardirq.h:11:
   In file included from arch/powerpc/include/asm/hardirq.h:6:
   In file included from include/linux/irq.h:20:
   In file included from include/linux/io.h:13:
   In file included from arch/powerpc/include/asm/io.h:619:
   arch/powerpc/include/asm/io-defs.h:49:1: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
   DEF_PCI_AC_NORET(outsb, (unsigned long p, const void *b, unsigned long c),
   ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   arch/powerpc/include/asm/io.h:616:3: note: expanded from macro 'DEF_PCI_AC_NORET'
                   __do_##name al;                                 \
                   ^~~~~~~~~~~~~~
   <scratch space>:188:1: note: expanded from here
   __do_outsb
   ^
   arch/powerpc/include/asm/io.h:559:58: note: expanded from macro '__do_outsb'
   #define __do_outsb(p, b, n)     writesb((PCI_IO_ADDR)_IO_BASE+(p),(b),(n))
                                           ~~~~~~~~~~~~~~~~~~~~~^
   In file included from drivers/nvdimm/blk.c:7:
   In file included from include/linux/blkdev.h:18:
   In file included from include/linux/bio.h:8:
   In file included from include/linux/highmem.h:10:
   In file included from include/linux/hardirq.h:11:
   In file included from arch/powerpc/include/asm/hardirq.h:6:
   In file included from include/linux/irq.h:20:
   In file included from include/linux/io.h:13:
   In file included from arch/powerpc/include/asm/io.h:619:
   arch/powerpc/include/asm/io-defs.h:51:1: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
   DEF_PCI_AC_NORET(outsw, (unsigned long p, const void *b, unsigned long c),
   ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   arch/powerpc/include/asm/io.h:616:3: note: expanded from macro 'DEF_PCI_AC_NORET'
                   __do_##name al;                                 \
                   ^~~~~~~~~~~~~~
   <scratch space>:190:1: note: expanded from here
   __do_outsw
   ^
   arch/powerpc/include/asm/io.h:560:58: note: expanded from macro '__do_outsw'
   #define __do_outsw(p, b, n)     writesw((PCI_IO_ADDR)_IO_BASE+(p),(b),(n))
                                           ~~~~~~~~~~~~~~~~~~~~~^
   In file included from drivers/nvdimm/blk.c:7:
   In file included from include/linux/blkdev.h:18:
   In file included from include/linux/bio.h:8:
   In file included from include/linux/highmem.h:10:
   In file included from include/linux/hardirq.h:11:
   In file included from arch/powerpc/include/asm/hardirq.h:6:
   In file included from include/linux/irq.h:20:
   In file included from include/linux/io.h:13:
   In file included from arch/powerpc/include/asm/io.h:619:
   arch/powerpc/include/asm/io-defs.h:53:1: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
   DEF_PCI_AC_NORET(outsl, (unsigned long p, const void *b, unsigned long c),
   ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   arch/powerpc/include/asm/io.h:616:3: note: expanded from macro 'DEF_PCI_AC_NORET'
                   __do_##name al;                                 \
                   ^~~~~~~~~~~~~~
   <scratch space>:192:1: note: expanded from here
   __do_outsl
   ^
   arch/powerpc/include/asm/io.h:561:58: note: expanded from macro '__do_outsl'
   #define __do_outsl(p, b, n)     writesl((PCI_IO_ADDR)_IO_BASE+(p),(b),(n))
                                           ~~~~~~~~~~~~~~~~~~~~~^
   drivers/nvdimm/blk.c:233:10: error: member reference base type 'void' is not a structure or union
           if (disk->flags & GENHD_FL_UP)
               ~~~~^ ~~~~~
>> drivers/nvdimm/blk.c:271:2: error: use of undeclared identifier 'rc'
           rc = device_add_disk(dev, disk, NULL);
           ^
   drivers/nvdimm/blk.c:272:6: error: use of undeclared identifier 'rc'
           if (rc)
               ^
   drivers/nvdimm/blk.c:273:10: error: use of undeclared identifier 'rc'
                   return rc;
                          ^
   12 warnings and 4 errors generated.


vim +/rc +271 drivers/nvdimm/blk.c

   237	
   238	static int nsblk_attach_disk(struct nd_namespace_blk *nsblk)
   239	{
   240		struct device *dev = &nsblk->common.dev;
   241		resource_size_t available_disk_size;
   242		struct gendisk *disk;
   243		u64 internal_nlba;
   244	
   245		internal_nlba = div_u64(nsblk->size, nsblk_internal_lbasize(nsblk));
   246		available_disk_size = internal_nlba * nsblk_sector_size(nsblk);
   247	
   248		disk = blk_alloc_disk(NUMA_NO_NODE);
   249		if (!disk)
   250			return -ENOMEM;
   251	
   252		disk->fops		= &nd_blk_fops;
   253		disk->private_data	= nsblk;
   254		nvdimm_namespace_disk_name(&nsblk->common, disk->disk_name);
   255	
   256		blk_queue_max_hw_sectors(disk->queue, UINT_MAX);
   257		blk_queue_logical_block_size(disk->queue, nsblk_sector_size(nsblk));
   258		blk_queue_flag_set(QUEUE_FLAG_NONROT, disk->queue);
   259	
   260		if (devm_add_action_or_reset(dev, nd_blk_release_disk, disk))
   261			return -ENOMEM;
   262	
   263		if (nsblk_meta_size(nsblk)) {
   264			int rc = nd_integrity_init(disk, nsblk_meta_size(nsblk));
   265	
   266			if (rc)
   267				return rc;
   268		}
   269	
   270		set_capacity(disk, available_disk_size >> SECTOR_SHIFT);
 > 271		rc = device_add_disk(dev, disk, NULL);
   272		if (rc)
   273			return rc;
   274		nvdimm_check_and_set_ro(disk);
   275		return 0;
   276	}
   277	

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

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WARNING: multiple messages have this Message-ID (diff)
From: kernel test robot <lkp@intel.com>
To: Luis Chamberlain <mcgrof@kernel.org>
Cc: clang-built-linux@googlegroups.com, kbuild-all@lists.01.org,
	linux-kernel@vger.kernel.org
Subject: [mcgrof-next:20210708-block-fixes-v2 55/89] drivers/nvdimm/blk.c:271:2: error: use of undeclared identifier 'rc'
Date: Thu, 15 Jul 2021 21:42:04 +0800	[thread overview]
Message-ID: <202107152155.eVKkRxTH-lkp@intel.com> (raw)

[-- Attachment #1: Type: text/plain, Size: 9419 bytes --]

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/mcgrof/linux-next.git 20210708-block-fixes-v2
head:   db0174e39de7dc941f158ce53ee3af95b1635b62
commit: 32410056e36f4457d51df601c9a6ebc24b564652 [55/89] nvdimm/blk: add error handling support for add_disk()
config: powerpc64-randconfig-r033-20210715 (attached as .config)
compiler: clang version 13.0.0 (https://github.com/llvm/llvm-project 0e49c54a8cbd3e779e5526a5888c683c01cc3c50)
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
        # install powerpc64 cross compiling tool for clang build
        # apt-get install binutils-powerpc64-linux-gnu
        # https://git.kernel.org/pub/scm/linux/kernel/git/mcgrof/linux-next.git/commit/?id=32410056e36f4457d51df601c9a6ebc24b564652
        git remote add mcgrof-next https://git.kernel.org/pub/scm/linux/kernel/git/mcgrof/linux-next.git
        git fetch --no-tags mcgrof-next 20210708-block-fixes-v2
        git checkout 32410056e36f4457d51df601c9a6ebc24b564652
        # save the attached .config to linux build tree
        mkdir build_dir
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross O=build_dir ARCH=powerpc SHELL=/bin/bash drivers/block/ drivers/nvdimm/

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 >>):

   In file included from arch/powerpc/include/asm/io.h:619:
   arch/powerpc/include/asm/io-defs.h:45:1: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
   DEF_PCI_AC_NORET(insw, (unsigned long p, void *b, unsigned long c),
   ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   arch/powerpc/include/asm/io.h:616:3: note: expanded from macro 'DEF_PCI_AC_NORET'
                   __do_##name al;                                 \
                   ^~~~~~~~~~~~~~
   <scratch space>:184:1: note: expanded from here
   __do_insw
   ^
   arch/powerpc/include/asm/io.h:557:56: note: expanded from macro '__do_insw'
   #define __do_insw(p, b, n)      readsw((PCI_IO_ADDR)_IO_BASE+(p), (b), (n))
                                          ~~~~~~~~~~~~~~~~~~~~~^
   In file included from drivers/nvdimm/blk.c:7:
   In file included from include/linux/blkdev.h:18:
   In file included from include/linux/bio.h:8:
   In file included from include/linux/highmem.h:10:
   In file included from include/linux/hardirq.h:11:
   In file included from arch/powerpc/include/asm/hardirq.h:6:
   In file included from include/linux/irq.h:20:
   In file included from include/linux/io.h:13:
   In file included from arch/powerpc/include/asm/io.h:619:
   arch/powerpc/include/asm/io-defs.h:47:1: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
   DEF_PCI_AC_NORET(insl, (unsigned long p, void *b, unsigned long c),
   ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   arch/powerpc/include/asm/io.h:616:3: note: expanded from macro 'DEF_PCI_AC_NORET'
                   __do_##name al;                                 \
                   ^~~~~~~~~~~~~~
   <scratch space>:186:1: note: expanded from here
   __do_insl
   ^
   arch/powerpc/include/asm/io.h:558:56: note: expanded from macro '__do_insl'
   #define __do_insl(p, b, n)      readsl((PCI_IO_ADDR)_IO_BASE+(p), (b), (n))
                                          ~~~~~~~~~~~~~~~~~~~~~^
   In file included from drivers/nvdimm/blk.c:7:
   In file included from include/linux/blkdev.h:18:
   In file included from include/linux/bio.h:8:
   In file included from include/linux/highmem.h:10:
   In file included from include/linux/hardirq.h:11:
   In file included from arch/powerpc/include/asm/hardirq.h:6:
   In file included from include/linux/irq.h:20:
   In file included from include/linux/io.h:13:
   In file included from arch/powerpc/include/asm/io.h:619:
   arch/powerpc/include/asm/io-defs.h:49:1: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
   DEF_PCI_AC_NORET(outsb, (unsigned long p, const void *b, unsigned long c),
   ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   arch/powerpc/include/asm/io.h:616:3: note: expanded from macro 'DEF_PCI_AC_NORET'
                   __do_##name al;                                 \
                   ^~~~~~~~~~~~~~
   <scratch space>:188:1: note: expanded from here
   __do_outsb
   ^
   arch/powerpc/include/asm/io.h:559:58: note: expanded from macro '__do_outsb'
   #define __do_outsb(p, b, n)     writesb((PCI_IO_ADDR)_IO_BASE+(p),(b),(n))
                                           ~~~~~~~~~~~~~~~~~~~~~^
   In file included from drivers/nvdimm/blk.c:7:
   In file included from include/linux/blkdev.h:18:
   In file included from include/linux/bio.h:8:
   In file included from include/linux/highmem.h:10:
   In file included from include/linux/hardirq.h:11:
   In file included from arch/powerpc/include/asm/hardirq.h:6:
   In file included from include/linux/irq.h:20:
   In file included from include/linux/io.h:13:
   In file included from arch/powerpc/include/asm/io.h:619:
   arch/powerpc/include/asm/io-defs.h:51:1: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
   DEF_PCI_AC_NORET(outsw, (unsigned long p, const void *b, unsigned long c),
   ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   arch/powerpc/include/asm/io.h:616:3: note: expanded from macro 'DEF_PCI_AC_NORET'
                   __do_##name al;                                 \
                   ^~~~~~~~~~~~~~
   <scratch space>:190:1: note: expanded from here
   __do_outsw
   ^
   arch/powerpc/include/asm/io.h:560:58: note: expanded from macro '__do_outsw'
   #define __do_outsw(p, b, n)     writesw((PCI_IO_ADDR)_IO_BASE+(p),(b),(n))
                                           ~~~~~~~~~~~~~~~~~~~~~^
   In file included from drivers/nvdimm/blk.c:7:
   In file included from include/linux/blkdev.h:18:
   In file included from include/linux/bio.h:8:
   In file included from include/linux/highmem.h:10:
   In file included from include/linux/hardirq.h:11:
   In file included from arch/powerpc/include/asm/hardirq.h:6:
   In file included from include/linux/irq.h:20:
   In file included from include/linux/io.h:13:
   In file included from arch/powerpc/include/asm/io.h:619:
   arch/powerpc/include/asm/io-defs.h:53:1: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
   DEF_PCI_AC_NORET(outsl, (unsigned long p, const void *b, unsigned long c),
   ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   arch/powerpc/include/asm/io.h:616:3: note: expanded from macro 'DEF_PCI_AC_NORET'
                   __do_##name al;                                 \
                   ^~~~~~~~~~~~~~
   <scratch space>:192:1: note: expanded from here
   __do_outsl
   ^
   arch/powerpc/include/asm/io.h:561:58: note: expanded from macro '__do_outsl'
   #define __do_outsl(p, b, n)     writesl((PCI_IO_ADDR)_IO_BASE+(p),(b),(n))
                                           ~~~~~~~~~~~~~~~~~~~~~^
   drivers/nvdimm/blk.c:233:10: error: member reference base type 'void' is not a structure or union
           if (disk->flags & GENHD_FL_UP)
               ~~~~^ ~~~~~
>> drivers/nvdimm/blk.c:271:2: error: use of undeclared identifier 'rc'
           rc = device_add_disk(dev, disk, NULL);
           ^
   drivers/nvdimm/blk.c:272:6: error: use of undeclared identifier 'rc'
           if (rc)
               ^
   drivers/nvdimm/blk.c:273:10: error: use of undeclared identifier 'rc'
                   return rc;
                          ^
   12 warnings and 4 errors generated.


vim +/rc +271 drivers/nvdimm/blk.c

   237	
   238	static int nsblk_attach_disk(struct nd_namespace_blk *nsblk)
   239	{
   240		struct device *dev = &nsblk->common.dev;
   241		resource_size_t available_disk_size;
   242		struct gendisk *disk;
   243		u64 internal_nlba;
   244	
   245		internal_nlba = div_u64(nsblk->size, nsblk_internal_lbasize(nsblk));
   246		available_disk_size = internal_nlba * nsblk_sector_size(nsblk);
   247	
   248		disk = blk_alloc_disk(NUMA_NO_NODE);
   249		if (!disk)
   250			return -ENOMEM;
   251	
   252		disk->fops		= &nd_blk_fops;
   253		disk->private_data	= nsblk;
   254		nvdimm_namespace_disk_name(&nsblk->common, disk->disk_name);
   255	
   256		blk_queue_max_hw_sectors(disk->queue, UINT_MAX);
   257		blk_queue_logical_block_size(disk->queue, nsblk_sector_size(nsblk));
   258		blk_queue_flag_set(QUEUE_FLAG_NONROT, disk->queue);
   259	
   260		if (devm_add_action_or_reset(dev, nd_blk_release_disk, disk))
   261			return -ENOMEM;
   262	
   263		if (nsblk_meta_size(nsblk)) {
   264			int rc = nd_integrity_init(disk, nsblk_meta_size(nsblk));
   265	
   266			if (rc)
   267				return rc;
   268		}
   269	
   270		set_capacity(disk, available_disk_size >> SECTOR_SHIFT);
 > 271		rc = device_add_disk(dev, disk, NULL);
   272		if (rc)
   273			return rc;
   274		nvdimm_check_and_set_ro(disk);
   275		return 0;
   276	}
   277	

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

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             reply	other threads:[~2021-07-15 13:42 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-07-15 13:42 kernel test robot [this message]
2021-07-15 13:42 ` [mcgrof-next:20210708-block-fixes-v2 55/89] drivers/nvdimm/blk.c:271:2: error: use of undeclared identifier 'rc' kernel test robot

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