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From: kernel test robot <lkp@intel.com>
To: Zijun Hu <zijun_hu@icloud.com>, Rob Herring <robh@kernel.org>,
	Saravana Kannan <saravanak@google.com>,
	Maxime Ripard <mripard@kernel.org>,
	Robin Murphy <robin.murphy@arm.com>,
	Grant Likely <grant.likely@linaro.org>
Cc: llvm@lists.linux.dev, oe-kbuild-all@lists.linux.dev,
	Zijun Hu <zijun_hu@icloud.com>,
	devicetree@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH v2 6/7] of: Fix potential wrong MODALIAS uevent value
Date: Mon, 16 Dec 2024 11:52:37 +0800	[thread overview]
Message-ID: <202412161149.xqUOFg3R-lkp@intel.com> (raw)
In-Reply-To: <20241216-of_core_fix-v2-6-e69b8f60da63@quicinc.com>

Hi Zijun,

kernel test robot noticed the following build errors:

[auto build test ERROR on 0f7ca6f69354e0c3923bbc28c92d0ecab4d50a3e]

url:    https://github.com/intel-lab-lkp/linux/commits/Zijun-Hu/of-Fix-API-of_find_node_opts_by_path-finding-OF-device-node-failure/20241216-084408
base:   0f7ca6f69354e0c3923bbc28c92d0ecab4d50a3e
patch link:    https://lore.kernel.org/r/20241216-of_core_fix-v2-6-e69b8f60da63%40quicinc.com
patch subject: [PATCH v2 6/7] of: Fix potential wrong MODALIAS uevent value
config: x86_64-buildonly-randconfig-003-20241216 (https://download.01.org/0day-ci/archive/20241216/202412161149.xqUOFg3R-lkp@intel.com/config)
compiler: clang version 19.1.3 (https://github.com/llvm/llvm-project ab51eccf88f5321e7c60591c5546b254b6afab99)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20241216/202412161149.xqUOFg3R-lkp@intel.com/reproduce)

If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202412161149.xqUOFg3R-lkp@intel.com/

All error/warnings (new ones prefixed by >>):

   In file included from lib/genalloc.c:35:
>> include/linux/of.h:764:9: error: incompatible integer to pointer conversion returning 'int' from a function with result type 'char *' [-Wint-conversion]
     764 |         return -ENODEV;
         |                ^~~~~~~
   In file included from lib/genalloc.c:37:
   In file included from include/linux/platform_device.h:13:
   In file included from include/linux/device.h:32:
   In file included from include/linux/device/driver.h:21:
   In file included from include/linux/module.h:19:
   In file included from include/linux/elf.h:6:
   In file included from arch/x86/include/asm/elf.h:10:
   In file included from arch/x86/include/asm/ia32.h:7:
   In file included from include/linux/compat.h:17:
   In file included from include/linux/fs.h:33:
   In file included from include/linux/percpu-rwsem.h:7:
   In file included from include/linux/rcuwait.h:6:
   In file included from include/linux/sched/signal.h:6:
   include/linux/signal.h:98:11: warning: array index 3 is past the end of the array (that has type 'unsigned long[1]') [-Warray-bounds]
      98 |                 return (set->sig[3] | set->sig[2] |
         |                         ^        ~
   arch/x86/include/asm/signal.h:24:2: note: array 'sig' declared here
      24 |         unsigned long sig[_NSIG_WORDS];
         |         ^
   In file included from lib/genalloc.c:37:
   In file included from include/linux/platform_device.h:13:
   In file included from include/linux/device.h:32:
   In file included from include/linux/device/driver.h:21:
   In file included from include/linux/module.h:19:
   In file included from include/linux/elf.h:6:
   In file included from arch/x86/include/asm/elf.h:10:
   In file included from arch/x86/include/asm/ia32.h:7:
   In file included from include/linux/compat.h:17:
   In file included from include/linux/fs.h:33:
   In file included from include/linux/percpu-rwsem.h:7:
   In file included from include/linux/rcuwait.h:6:
   In file included from include/linux/sched/signal.h:6:
   include/linux/signal.h:98:25: warning: array index 2 is past the end of the array (that has type 'unsigned long[1]') [-Warray-bounds]
      98 |                 return (set->sig[3] | set->sig[2] |
         |                                       ^        ~
   arch/x86/include/asm/signal.h:24:2: note: array 'sig' declared here
      24 |         unsigned long sig[_NSIG_WORDS];
         |         ^
   In file included from lib/genalloc.c:37:
   In file included from include/linux/platform_device.h:13:
   In file included from include/linux/device.h:32:
   In file included from include/linux/device/driver.h:21:
   In file included from include/linux/module.h:19:
   In file included from include/linux/elf.h:6:
   In file included from arch/x86/include/asm/elf.h:10:
   In file included from arch/x86/include/asm/ia32.h:7:
   In file included from include/linux/compat.h:17:
   In file included from include/linux/fs.h:33:
   In file included from include/linux/percpu-rwsem.h:7:
   In file included from include/linux/rcuwait.h:6:
   In file included from include/linux/sched/signal.h:6:
   include/linux/signal.h:99:4: warning: array index 1 is past the end of the array (that has type 'unsigned long[1]') [-Warray-bounds]
      99 |                         set->sig[1] | set->sig[0]) == 0;
         |                         ^        ~
   arch/x86/include/asm/signal.h:24:2: note: array 'sig' declared here
      24 |         unsigned long sig[_NSIG_WORDS];
         |         ^
   In file included from lib/genalloc.c:37:
   In file included from include/linux/platform_device.h:13:
   In file included from include/linux/device.h:32:
   In file included from include/linux/device/driver.h:21:
   In file included from include/linux/module.h:19:
   In file included from include/linux/elf.h:6:
   In file included from arch/x86/include/asm/elf.h:10:
   In file included from arch/x86/include/asm/ia32.h:7:
   In file included from include/linux/compat.h:17:
   In file included from include/linux/fs.h:33:
   In file included from include/linux/percpu-rwsem.h:7:
   In file included from include/linux/rcuwait.h:6:
   In file included from include/linux/sched/signal.h:6:
   include/linux/signal.h:101:11: warning: array index 1 is past the end of the array (that has type 'unsigned long[1]') [-Warray-bounds]
     101 |                 return (set->sig[1] | set->sig[0]) == 0;
         |                         ^        ~
   arch/x86/include/asm/signal.h:24:2: note: array 'sig' declared here
      24 |         unsigned long sig[_NSIG_WORDS];
         |         ^
   In file included from lib/genalloc.c:37:
   In file included from include/linux/platform_device.h:13:
   In file included from include/linux/device.h:32:
   In file included from include/linux/device/driver.h:21:
   In file included from include/linux/module.h:19:
   In file included from include/linux/elf.h:6:
   In file included from arch/x86/include/asm/elf.h:10:
   In file included from arch/x86/include/asm/ia32.h:7:
   In file included from include/linux/compat.h:17:
   In file included from include/linux/fs.h:33:
   In file included from include/linux/percpu-rwsem.h:7:
   In file included from include/linux/rcuwait.h:6:
   In file included from include/linux/sched/signal.h:6:
   include/linux/signal.h:114:11: warning: array index 3 is past the end of the array (that has type 'const unsigned long[1]') [-Warray-bounds]
     114 |                 return  (set1->sig[3] == set2->sig[3]) &&
         |                          ^         ~
   arch/x86/include/asm/signal.h:24:2: note: array 'sig' declared here
      24 |         unsigned long sig[_NSIG_WORDS];
         |         ^
   In file included from lib/genalloc.c:37:
   In file included from include/linux/platform_device.h:13:
   In file included from include/linux/device.h:32:
--
   In file included from lib/devres.c:9:
   In file included from include/linux/of_address.h:6:
>> include/linux/of.h:764:9: error: incompatible integer to pointer conversion returning 'int' from a function with result type 'char *' [-Wint-conversion]
     764 |         return -ENODEV;
         |                ^~~~~~~
   1 error generated.
--
   In file included from lib/logic_pio.c:11:
>> include/linux/of.h:764:9: error: incompatible integer to pointer conversion returning 'int' from a function with result type 'char *' [-Wint-conversion]
     764 |         return -ENODEV;
         |                ^~~~~~~
   In file included from lib/logic_pio.c:14:
   In file included from include/linux/mm.h:1120:
   In file included from include/linux/huge_mm.h:8:
   In file included from include/linux/fs.h:33:
   In file included from include/linux/percpu-rwsem.h:7:
   In file included from include/linux/rcuwait.h:6:
   In file included from include/linux/sched/signal.h:6:
   include/linux/signal.h:98:11: warning: array index 3 is past the end of the array (that has type 'unsigned long[1]') [-Warray-bounds]
      98 |                 return (set->sig[3] | set->sig[2] |
         |                         ^        ~
   arch/x86/include/asm/signal.h:24:2: note: array 'sig' declared here
      24 |         unsigned long sig[_NSIG_WORDS];
         |         ^
   In file included from lib/logic_pio.c:14:
   In file included from include/linux/mm.h:1120:
   In file included from include/linux/huge_mm.h:8:
   In file included from include/linux/fs.h:33:
   In file included from include/linux/percpu-rwsem.h:7:
   In file included from include/linux/rcuwait.h:6:
   In file included from include/linux/sched/signal.h:6:
   include/linux/signal.h:98:25: warning: array index 2 is past the end of the array (that has type 'unsigned long[1]') [-Warray-bounds]
      98 |                 return (set->sig[3] | set->sig[2] |
         |                                       ^        ~
   arch/x86/include/asm/signal.h:24:2: note: array 'sig' declared here
      24 |         unsigned long sig[_NSIG_WORDS];
         |         ^
   In file included from lib/logic_pio.c:14:
   In file included from include/linux/mm.h:1120:
   In file included from include/linux/huge_mm.h:8:
   In file included from include/linux/fs.h:33:
   In file included from include/linux/percpu-rwsem.h:7:
   In file included from include/linux/rcuwait.h:6:
   In file included from include/linux/sched/signal.h:6:
   include/linux/signal.h:99:4: warning: array index 1 is past the end of the array (that has type 'unsigned long[1]') [-Warray-bounds]
      99 |                         set->sig[1] | set->sig[0]) == 0;
         |                         ^        ~
   arch/x86/include/asm/signal.h:24:2: note: array 'sig' declared here
      24 |         unsigned long sig[_NSIG_WORDS];
         |         ^
   In file included from lib/logic_pio.c:14:
   In file included from include/linux/mm.h:1120:
   In file included from include/linux/huge_mm.h:8:
   In file included from include/linux/fs.h:33:
   In file included from include/linux/percpu-rwsem.h:7:
   In file included from include/linux/rcuwait.h:6:
   In file included from include/linux/sched/signal.h:6:
   include/linux/signal.h:101:11: warning: array index 1 is past the end of the array (that has type 'unsigned long[1]') [-Warray-bounds]
     101 |                 return (set->sig[1] | set->sig[0]) == 0;
         |                         ^        ~
   arch/x86/include/asm/signal.h:24:2: note: array 'sig' declared here
      24 |         unsigned long sig[_NSIG_WORDS];
         |         ^
   In file included from lib/logic_pio.c:14:
   In file included from include/linux/mm.h:1120:
   In file included from include/linux/huge_mm.h:8:
   In file included from include/linux/fs.h:33:
   In file included from include/linux/percpu-rwsem.h:7:
   In file included from include/linux/rcuwait.h:6:
   In file included from include/linux/sched/signal.h:6:
   include/linux/signal.h:114:11: warning: array index 3 is past the end of the array (that has type 'const unsigned long[1]') [-Warray-bounds]
     114 |                 return  (set1->sig[3] == set2->sig[3]) &&
         |                          ^         ~
   arch/x86/include/asm/signal.h:24:2: note: array 'sig' declared here
      24 |         unsigned long sig[_NSIG_WORDS];
         |         ^
   In file included from lib/logic_pio.c:14:
   In file included from include/linux/mm.h:1120:
   In file included from include/linux/huge_mm.h:8:
   In file included from include/linux/fs.h:33:
   In file included from include/linux/percpu-rwsem.h:7:
   In file included from include/linux/rcuwait.h:6:
   In file included from include/linux/sched/signal.h:6:
   include/linux/signal.h:114:27: warning: array index 3 is past the end of the array (that has type 'const unsigned long[1]') [-Warray-bounds]
     114 |                 return  (set1->sig[3] == set2->sig[3]) &&
         |                                          ^         ~
   arch/x86/include/asm/signal.h:24:2: note: array 'sig' declared here
      24 |         unsigned long sig[_NSIG_WORDS];
         |         ^
   In file included from lib/logic_pio.c:14:
   In file included from include/linux/mm.h:1120:
   In file included from include/linux/huge_mm.h:8:
   In file included from include/linux/fs.h:33:
   In file included from include/linux/percpu-rwsem.h:7:
   In file included from include/linux/rcuwait.h:6:
   In file included from include/linux/sched/signal.h:6:
   include/linux/signal.h:115:5: warning: array index 2 is past the end of the array (that has type 'const unsigned long[1]') [-Warray-bounds]
     115 |                         (set1->sig[2] == set2->sig[2]) &&
         |                          ^         ~
   arch/x86/include/asm/signal.h:24:2: note: array 'sig' declared here
      24 |         unsigned long sig[_NSIG_WORDS];
         |         ^
   In file included from lib/logic_pio.c:14:
   In file included from include/linux/mm.h:1120:
   In file included from include/linux/huge_mm.h:8:
   In file included from include/linux/fs.h:33:
   In file included from include/linux/percpu-rwsem.h:7:
   In file included from include/linux/rcuwait.h:6:
   In file included from include/linux/sched/signal.h:6:
--
   In file included from lib/vsprintf.c:23:
   In file included from include/linux/clk-provider.h:9:
>> include/linux/of.h:764:9: error: incompatible integer to pointer conversion returning 'int' from a function with result type 'char *' [-Wint-conversion]
     764 |         return -ENODEV;
         |                ^~~~~~~
   In file included from lib/vsprintf.c:25:
   In file included from include/linux/module.h:19:
   In file included from include/linux/elf.h:6:
   In file included from arch/x86/include/asm/elf.h:10:
   In file included from arch/x86/include/asm/ia32.h:7:
   In file included from include/linux/compat.h:17:
   In file included from include/linux/fs.h:33:
   In file included from include/linux/percpu-rwsem.h:7:
   In file included from include/linux/rcuwait.h:6:
   In file included from include/linux/sched/signal.h:6:
   include/linux/signal.h:98:11: warning: array index 3 is past the end of the array (that has type 'unsigned long[1]') [-Warray-bounds]
      98 |                 return (set->sig[3] | set->sig[2] |
         |                         ^        ~
   arch/x86/include/asm/signal.h:24:2: note: array 'sig' declared here
      24 |         unsigned long sig[_NSIG_WORDS];
         |         ^
   In file included from lib/vsprintf.c:25:
   In file included from include/linux/module.h:19:
   In file included from include/linux/elf.h:6:
   In file included from arch/x86/include/asm/elf.h:10:
   In file included from arch/x86/include/asm/ia32.h:7:
   In file included from include/linux/compat.h:17:
   In file included from include/linux/fs.h:33:
   In file included from include/linux/percpu-rwsem.h:7:
   In file included from include/linux/rcuwait.h:6:
   In file included from include/linux/sched/signal.h:6:
   include/linux/signal.h:98:25: warning: array index 2 is past the end of the array (that has type 'unsigned long[1]') [-Warray-bounds]
      98 |                 return (set->sig[3] | set->sig[2] |
         |                                       ^        ~
   arch/x86/include/asm/signal.h:24:2: note: array 'sig' declared here
      24 |         unsigned long sig[_NSIG_WORDS];
         |         ^
   In file included from lib/vsprintf.c:25:
   In file included from include/linux/module.h:19:
   In file included from include/linux/elf.h:6:
   In file included from arch/x86/include/asm/elf.h:10:
   In file included from arch/x86/include/asm/ia32.h:7:
   In file included from include/linux/compat.h:17:
   In file included from include/linux/fs.h:33:
   In file included from include/linux/percpu-rwsem.h:7:
   In file included from include/linux/rcuwait.h:6:
   In file included from include/linux/sched/signal.h:6:
   include/linux/signal.h:99:4: warning: array index 1 is past the end of the array (that has type 'unsigned long[1]') [-Warray-bounds]
      99 |                         set->sig[1] | set->sig[0]) == 0;
         |                         ^        ~
   arch/x86/include/asm/signal.h:24:2: note: array 'sig' declared here
      24 |         unsigned long sig[_NSIG_WORDS];
         |         ^
   In file included from lib/vsprintf.c:25:
   In file included from include/linux/module.h:19:
   In file included from include/linux/elf.h:6:
   In file included from arch/x86/include/asm/elf.h:10:
   In file included from arch/x86/include/asm/ia32.h:7:
   In file included from include/linux/compat.h:17:
   In file included from include/linux/fs.h:33:
   In file included from include/linux/percpu-rwsem.h:7:
   In file included from include/linux/rcuwait.h:6:
   In file included from include/linux/sched/signal.h:6:
   include/linux/signal.h:101:11: warning: array index 1 is past the end of the array (that has type 'unsigned long[1]') [-Warray-bounds]
     101 |                 return (set->sig[1] | set->sig[0]) == 0;
         |                         ^        ~
   arch/x86/include/asm/signal.h:24:2: note: array 'sig' declared here
      24 |         unsigned long sig[_NSIG_WORDS];
         |         ^
   In file included from lib/vsprintf.c:25:
   In file included from include/linux/module.h:19:
   In file included from include/linux/elf.h:6:
   In file included from arch/x86/include/asm/elf.h:10:
   In file included from arch/x86/include/asm/ia32.h:7:
   In file included from include/linux/compat.h:17:
   In file included from include/linux/fs.h:33:
   In file included from include/linux/percpu-rwsem.h:7:
   In file included from include/linux/rcuwait.h:6:
   In file included from include/linux/sched/signal.h:6:
   include/linux/signal.h:114:11: warning: array index 3 is past the end of the array (that has type 'const unsigned long[1]') [-Warray-bounds]
     114 |                 return  (set1->sig[3] == set2->sig[3]) &&
         |                          ^         ~
   arch/x86/include/asm/signal.h:24:2: note: array 'sig' declared here
      24 |         unsigned long sig[_NSIG_WORDS];
         |         ^
   In file included from lib/vsprintf.c:25:
   In file included from include/linux/module.h:19:
   In file included from include/linux/elf.h:6:
   In file included from arch/x86/include/asm/elf.h:10:
   In file included from arch/x86/include/asm/ia32.h:7:
   In file included from include/linux/compat.h:17:
   In file included from include/linux/fs.h:33:
   In file included from include/linux/percpu-rwsem.h:7:
   In file included from include/linux/rcuwait.h:6:
   In file included from include/linux/sched/signal.h:6:
   include/linux/signal.h:114:27: warning: array index 3 is past the end of the array (that has type 'const unsigned long[1]') [-Warray-bounds]
     114 |                 return  (set1->sig[3] == set2->sig[3]) &&
         |                                          ^         ~
   arch/x86/include/asm/signal.h:24:2: note: array 'sig' declared here
      24 |         unsigned long sig[_NSIG_WORDS];
         |         ^
   In file included from lib/vsprintf.c:25:
   In file included from include/linux/module.h:19:
..


vim +764 include/linux/of.h

bd69f73f2c81eed Grant Likely  2013-02-10  761  
f1f6eae8bdfdfce Zijun Hu      2024-12-16  762  static inline char *of_modalias(const struct device_node *np, ssize_t *lenp)
bd7a7ed774afd1a Miquel Raynal 2023-04-04  763  {
bd7a7ed774afd1a Miquel Raynal 2023-04-04 @764  	return -ENODEV;
bd7a7ed774afd1a Miquel Raynal 2023-04-04  765  }
bd7a7ed774afd1a Miquel Raynal 2023-04-04  766  

-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki

           reply	other threads:[~2024-12-16  3:53 UTC|newest]

Thread overview: expand[flat|nested]  mbox.gz  Atom feed
 [parent not found: <20241216-of_core_fix-v2-6-e69b8f60da63@quicinc.com>]

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