* Re: [PATCH v5] lib/vsprintf: Add support for generic FourCCs by extending %p4cc
[not found] <2C9622E6-A2DB-4681-A971-604C79F9955E@live.com>
@ 2025-03-01 17:35 ` kernel test robot
2025-03-01 18:07 ` kernel test robot
1 sibling, 0 replies; 2+ messages in thread
From: kernel test robot @ 2025-03-01 17:35 UTC (permalink / raw)
To: Aditya Garg, Petr Mladek, Steven Rostedt, andriy.shevchenko,
Rasmus Villemoes, senozhatsky, Jonathan Corbet, Andrew Morton,
apw, joe, dwaipayanray1, lukas.bulwahn
Cc: oe-kbuild-all, Linux Memory Management List, linux-doc,
Linux Kernel Mailing List, Hector Martin, Sven Peter,
Janne Grunau, Alyssa Rosenzweig, Asahi Linux Mailing List
Hi Aditya,
kernel test robot noticed the following build errors:
[auto build test ERROR on akpm-mm/mm-nonmm-unstable]
[also build test ERROR on linus/master v6.14-rc4 next-20250228]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch#_base_tree_information]
url: https://github.com/intel-lab-lkp/linux/commits/Aditya-Garg/lib-vsprintf-Add-support-for-generic-FourCCs-by-extending-p4cc/20250301-003018
base: https://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm.git mm-nonmm-unstable
patch link: https://lore.kernel.org/r/2C9622E6-A2DB-4681-A971-604C79F9955E%40live.com
patch subject: [PATCH v5] lib/vsprintf: Add support for generic FourCCs by extending %p4cc
config: arc-randconfig-001-20250301 (https://download.01.org/0day-ci/archive/20250302/202503020121.qsiw3acQ-lkp@intel.com/config)
compiler: arceb-elf-gcc (GCC) 13.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250302/202503020121.qsiw3acQ-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/202503020121.qsiw3acQ-lkp@intel.com/
All error/warnings (new ones prefixed by >>):
lib/test_printf.c: In function 'fourcc_pointer':
>> lib/test_printf.c:802:17: warning: braces around scalar initializer
802 | { 0x41424344, "ABCD (0x41424344)", },
| ^
lib/test_printf.c:802:17: note: (near initialization for 'try_ch.code')
>> lib/test_printf.c:802:31: warning: excess elements in scalar initializer
802 | { 0x41424344, "ABCD (0x41424344)", },
| ^~~~~~~~~~~~~~~~~~~
lib/test_printf.c:802:31: note: (near initialization for 'try_ch.code')
lib/test_printf.c:805:17: warning: braces around scalar initializer
805 | { 0x41424344, "DCBA (0x44434241)", },
| ^
lib/test_printf.c:805:17: note: (near initialization for 'try_cn.code')
lib/test_printf.c:805:31: warning: excess elements in scalar initializer
805 | { 0x41424344, "DCBA (0x44434241)", },
| ^~~~~~~~~~~~~~~~~~~
lib/test_printf.c:805:31: note: (near initialization for 'try_cn.code')
lib/test_printf.c:808:17: warning: braces around scalar initializer
808 | { le32_to_cpu(0x41424344), "ABCD (0x41424344)", },
| ^
lib/test_printf.c:808:17: note: (near initialization for 'try_cl.code')
lib/test_printf.c:808:44: warning: excess elements in scalar initializer
808 | { le32_to_cpu(0x41424344), "ABCD (0x41424344)", },
| ^~~~~~~~~~~~~~~~~~~
lib/test_printf.c:808:44: note: (near initialization for 'try_cl.code')
lib/test_printf.c:811:17: warning: braces around scalar initializer
811 | { be32_to_cpu(0x41424344), "ABCD (0x41424344)", },
| ^
lib/test_printf.c:811:17: note: (near initialization for 'try_cb.code')
lib/test_printf.c:811:44: warning: excess elements in scalar initializer
811 | { be32_to_cpu(0x41424344), "ABCD (0x41424344)", },
| ^~~~~~~~~~~~~~~~~~~
lib/test_printf.c:811:44: note: (near initialization for 'try_cb.code')
In file included from include/linux/kernel.h:16,
from lib/test_printf.c:9:
>> include/linux/array_size.h:11:52: error: subscripted value is neither array nor pointer nor vector
11 | #define ARRAY_SIZE(arr) (sizeof(arr) / sizeof((arr)[0]) + __must_be_array(arr))
| ^
lib/test_printf.c:815:37: note: in expansion of macro 'ARRAY_SIZE'
815 | fourcc_pointer_test(try_ch, ARRAY_SIZE(try_ch), "%p4ch");
| ^~~~~~~~~~
In file included from include/linux/build_bug.h:5,
from include/linux/init.h:5,
from lib/test_printf.c:8:
>> include/linux/compiler.h:201:56: error: subscripted value is neither array nor pointer nor vector
201 | #define __is_array(a) (!__same_type((a), &(a)[0]))
| ^
include/linux/compiler.h:197:79: note: in definition of macro '__BUILD_BUG_ON_ZERO_MSG'
197 | #define __BUILD_BUG_ON_ZERO_MSG(e, msg) ((int)sizeof(struct {_Static_assert(!(e), msg);}))
| ^
include/linux/compiler.h:201:35: note: in expansion of macro '__same_type'
201 | #define __is_array(a) (!__same_type((a), &(a)[0]))
| ^~~~~~~~~~~
include/linux/compiler.h:202:58: note: in expansion of macro '__is_array'
202 | #define __must_be_array(a) __BUILD_BUG_ON_ZERO_MSG(!__is_array(a), \
| ^~~~~~~~~~
include/linux/array_size.h:11:59: note: in expansion of macro '__must_be_array'
11 | #define ARRAY_SIZE(arr) (sizeof(arr) / sizeof((arr)[0]) + __must_be_array(arr))
| ^~~~~~~~~~~~~~~
lib/test_printf.c:815:37: note: in expansion of macro 'ARRAY_SIZE'
815 | fourcc_pointer_test(try_ch, ARRAY_SIZE(try_ch), "%p4ch");
| ^~~~~~~~~~
>> include/linux/compiler.h:197:77: error: expression in static assertion is not an integer
197 | #define __BUILD_BUG_ON_ZERO_MSG(e, msg) ((int)sizeof(struct {_Static_assert(!(e), msg);}))
| ^
include/linux/compiler.h:202:33: note: in expansion of macro '__BUILD_BUG_ON_ZERO_MSG'
202 | #define __must_be_array(a) __BUILD_BUG_ON_ZERO_MSG(!__is_array(a), \
| ^~~~~~~~~~~~~~~~~~~~~~~
include/linux/array_size.h:11:59: note: in expansion of macro '__must_be_array'
11 | #define ARRAY_SIZE(arr) (sizeof(arr) / sizeof((arr)[0]) + __must_be_array(arr))
| ^~~~~~~~~~~~~~~
lib/test_printf.c:815:37: note: in expansion of macro 'ARRAY_SIZE'
815 | fourcc_pointer_test(try_ch, ARRAY_SIZE(try_ch), "%p4ch");
| ^~~~~~~~~~
>> lib/test_printf.c:815:29: error: incompatible type for argument 1 of 'fourcc_pointer_test'
815 | fourcc_pointer_test(try_ch, ARRAY_SIZE(try_ch), "%p4ch");
| ^~~~~~
| |
| struct fourcc_struct
lib/test_printf.c:784:68: note: expected 'const struct fourcc_struct *' but argument is of type 'struct fourcc_struct'
784 | static void __init fourcc_pointer_test(const struct fourcc_struct *fc, size_t n,
| ~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~
>> include/linux/array_size.h:11:52: error: subscripted value is neither array nor pointer nor vector
11 | #define ARRAY_SIZE(arr) (sizeof(arr) / sizeof((arr)[0]) + __must_be_array(arr))
| ^
lib/test_printf.c:816:37: note: in expansion of macro 'ARRAY_SIZE'
816 | fourcc_pointer_test(try_cn, ARRAY_SIZE(try_cn), "%p4cn");
| ^~~~~~~~~~
>> include/linux/compiler.h:201:56: error: subscripted value is neither array nor pointer nor vector
201 | #define __is_array(a) (!__same_type((a), &(a)[0]))
| ^
include/linux/compiler.h:197:79: note: in definition of macro '__BUILD_BUG_ON_ZERO_MSG'
197 | #define __BUILD_BUG_ON_ZERO_MSG(e, msg) ((int)sizeof(struct {_Static_assert(!(e), msg);}))
| ^
include/linux/compiler.h:201:35: note: in expansion of macro '__same_type'
201 | #define __is_array(a) (!__same_type((a), &(a)[0]))
| ^~~~~~~~~~~
include/linux/compiler.h:202:58: note: in expansion of macro '__is_array'
202 | #define __must_be_array(a) __BUILD_BUG_ON_ZERO_MSG(!__is_array(a), \
| ^~~~~~~~~~
include/linux/array_size.h:11:59: note: in expansion of macro '__must_be_array'
11 | #define ARRAY_SIZE(arr) (sizeof(arr) / sizeof((arr)[0]) + __must_be_array(arr))
| ^~~~~~~~~~~~~~~
lib/test_printf.c:816:37: note: in expansion of macro 'ARRAY_SIZE'
816 | fourcc_pointer_test(try_cn, ARRAY_SIZE(try_cn), "%p4cn");
| ^~~~~~~~~~
>> include/linux/compiler.h:197:77: error: expression in static assertion is not an integer
197 | #define __BUILD_BUG_ON_ZERO_MSG(e, msg) ((int)sizeof(struct {_Static_assert(!(e), msg);}))
| ^
include/linux/compiler.h:202:33: note: in expansion of macro '__BUILD_BUG_ON_ZERO_MSG'
202 | #define __must_be_array(a) __BUILD_BUG_ON_ZERO_MSG(!__is_array(a), \
| ^~~~~~~~~~~~~~~~~~~~~~~
include/linux/array_size.h:11:59: note: in expansion of macro '__must_be_array'
11 | #define ARRAY_SIZE(arr) (sizeof(arr) / sizeof((arr)[0]) + __must_be_array(arr))
| ^~~~~~~~~~~~~~~
lib/test_printf.c:816:37: note: in expansion of macro 'ARRAY_SIZE'
816 | fourcc_pointer_test(try_cn, ARRAY_SIZE(try_cn), "%p4cn");
| ^~~~~~~~~~
lib/test_printf.c:816:29: error: incompatible type for argument 1 of 'fourcc_pointer_test'
816 | fourcc_pointer_test(try_cn, ARRAY_SIZE(try_cn), "%p4cn");
| ^~~~~~
| |
| struct fourcc_struct
lib/test_printf.c:784:68: note: expected 'const struct fourcc_struct *' but argument is of type 'struct fourcc_struct'
784 | static void __init fourcc_pointer_test(const struct fourcc_struct *fc, size_t n,
| ~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~
>> include/linux/array_size.h:11:52: error: subscripted value is neither array nor pointer nor vector
11 | #define ARRAY_SIZE(arr) (sizeof(arr) / sizeof((arr)[0]) + __must_be_array(arr))
| ^
lib/test_printf.c:817:37: note: in expansion of macro 'ARRAY_SIZE'
817 | fourcc_pointer_test(try_cl, ARRAY_SIZE(try_cl), "%p4cl");
| ^~~~~~~~~~
>> include/linux/compiler.h:201:56: error: subscripted value is neither array nor pointer nor vector
201 | #define __is_array(a) (!__same_type((a), &(a)[0]))
| ^
include/linux/compiler.h:197:79: note: in definition of macro '__BUILD_BUG_ON_ZERO_MSG'
197 | #define __BUILD_BUG_ON_ZERO_MSG(e, msg) ((int)sizeof(struct {_Static_assert(!(e), msg);}))
| ^
include/linux/compiler.h:201:35: note: in expansion of macro '__same_type'
201 | #define __is_array(a) (!__same_type((a), &(a)[0]))
| ^~~~~~~~~~~
include/linux/compiler.h:202:58: note: in expansion of macro '__is_array'
202 | #define __must_be_array(a) __BUILD_BUG_ON_ZERO_MSG(!__is_array(a), \
| ^~~~~~~~~~
include/linux/array_size.h:11:59: note: in expansion of macro '__must_be_array'
11 | #define ARRAY_SIZE(arr) (sizeof(arr) / sizeof((arr)[0]) + __must_be_array(arr))
| ^~~~~~~~~~~~~~~
lib/test_printf.c:817:37: note: in expansion of macro 'ARRAY_SIZE'
817 | fourcc_pointer_test(try_cl, ARRAY_SIZE(try_cl), "%p4cl");
| ^~~~~~~~~~
>> include/linux/compiler.h:197:77: error: expression in static assertion is not an integer
197 | #define __BUILD_BUG_ON_ZERO_MSG(e, msg) ((int)sizeof(struct {_Static_assert(!(e), msg);}))
| ^
include/linux/compiler.h:202:33: note: in expansion of macro '__BUILD_BUG_ON_ZERO_MSG'
202 | #define __must_be_array(a) __BUILD_BUG_ON_ZERO_MSG(!__is_array(a), \
| ^~~~~~~~~~~~~~~~~~~~~~~
include/linux/array_size.h:11:59: note: in expansion of macro '__must_be_array'
11 | #define ARRAY_SIZE(arr) (sizeof(arr) / sizeof((arr)[0]) + __must_be_array(arr))
| ^~~~~~~~~~~~~~~
lib/test_printf.c:817:37: note: in expansion of macro 'ARRAY_SIZE'
817 | fourcc_pointer_test(try_cl, ARRAY_SIZE(try_cl), "%p4cl");
| ^~~~~~~~~~
lib/test_printf.c:817:29: error: incompatible type for argument 1 of 'fourcc_pointer_test'
817 | fourcc_pointer_test(try_cl, ARRAY_SIZE(try_cl), "%p4cl");
| ^~~~~~
| |
| struct fourcc_struct
lib/test_printf.c:784:68: note: expected 'const struct fourcc_struct *' but argument is of type 'struct fourcc_struct'
784 | static void __init fourcc_pointer_test(const struct fourcc_struct *fc, size_t n,
| ~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~
>> include/linux/array_size.h:11:52: error: subscripted value is neither array nor pointer nor vector
11 | #define ARRAY_SIZE(arr) (sizeof(arr) / sizeof((arr)[0]) + __must_be_array(arr))
| ^
lib/test_printf.c:818:37: note: in expansion of macro 'ARRAY_SIZE'
818 | fourcc_pointer_test(try_cb, ARRAY_SIZE(try_cb), "%p4cb");
| ^~~~~~~~~~
>> include/linux/compiler.h:201:56: error: subscripted value is neither array nor pointer nor vector
201 | #define __is_array(a) (!__same_type((a), &(a)[0]))
| ^
include/linux/compiler.h:197:79: note: in definition of macro '__BUILD_BUG_ON_ZERO_MSG'
197 | #define __BUILD_BUG_ON_ZERO_MSG(e, msg) ((int)sizeof(struct {_Static_assert(!(e), msg);}))
| ^
include/linux/compiler.h:201:35: note: in expansion of macro '__same_type'
201 | #define __is_array(a) (!__same_type((a), &(a)[0]))
| ^~~~~~~~~~~
include/linux/compiler.h:202:58: note: in expansion of macro '__is_array'
202 | #define __must_be_array(a) __BUILD_BUG_ON_ZERO_MSG(!__is_array(a), \
| ^~~~~~~~~~
include/linux/array_size.h:11:59: note: in expansion of macro '__must_be_array'
11 | #define ARRAY_SIZE(arr) (sizeof(arr) / sizeof((arr)[0]) + __must_be_array(arr))
| ^~~~~~~~~~~~~~~
lib/test_printf.c:818:37: note: in expansion of macro 'ARRAY_SIZE'
818 | fourcc_pointer_test(try_cb, ARRAY_SIZE(try_cb), "%p4cb");
| ^~~~~~~~~~
>> include/linux/compiler.h:197:77: error: expression in static assertion is not an integer
197 | #define __BUILD_BUG_ON_ZERO_MSG(e, msg) ((int)sizeof(struct {_Static_assert(!(e), msg);}))
| ^
include/linux/compiler.h:202:33: note: in expansion of macro '__BUILD_BUG_ON_ZERO_MSG'
202 | #define __must_be_array(a) __BUILD_BUG_ON_ZERO_MSG(!__is_array(a), \
| ^~~~~~~~~~~~~~~~~~~~~~~
include/linux/array_size.h:11:59: note: in expansion of macro '__must_be_array'
11 | #define ARRAY_SIZE(arr) (sizeof(arr) / sizeof((arr)[0]) + __must_be_array(arr))
| ^~~~~~~~~~~~~~~
lib/test_printf.c:818:37: note: in expansion of macro 'ARRAY_SIZE'
818 | fourcc_pointer_test(try_cb, ARRAY_SIZE(try_cb), "%p4cb");
| ^~~~~~~~~~
lib/test_printf.c:818:29: error: incompatible type for argument 1 of 'fourcc_pointer_test'
818 | fourcc_pointer_test(try_cb, ARRAY_SIZE(try_cb), "%p4cb");
| ^~~~~~
| |
| struct fourcc_struct
lib/test_printf.c:784:68: note: expected 'const struct fourcc_struct *' but argument is of type 'struct fourcc_struct'
784 | static void __init fourcc_pointer_test(const struct fourcc_struct *fc, size_t n,
| ~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~
--
test_printf.c: In function 'fourcc_pointer':
test_printf.c:802:17: warning: braces around scalar initializer
802 | { 0x41424344, "ABCD (0x41424344)", },
| ^
test_printf.c:802:17: note: (near initialization for 'try_ch.code')
test_printf.c:802:31: warning: excess elements in scalar initializer
802 | { 0x41424344, "ABCD (0x41424344)", },
| ^~~~~~~~~~~~~~~~~~~
test_printf.c:802:31: note: (near initialization for 'try_ch.code')
test_printf.c:805:17: warning: braces around scalar initializer
805 | { 0x41424344, "DCBA (0x44434241)", },
| ^
test_printf.c:805:17: note: (near initialization for 'try_cn.code')
test_printf.c:805:31: warning: excess elements in scalar initializer
805 | { 0x41424344, "DCBA (0x44434241)", },
| ^~~~~~~~~~~~~~~~~~~
test_printf.c:805:31: note: (near initialization for 'try_cn.code')
test_printf.c:808:17: warning: braces around scalar initializer
808 | { le32_to_cpu(0x41424344), "ABCD (0x41424344)", },
| ^
test_printf.c:808:17: note: (near initialization for 'try_cl.code')
test_printf.c:808:44: warning: excess elements in scalar initializer
808 | { le32_to_cpu(0x41424344), "ABCD (0x41424344)", },
| ^~~~~~~~~~~~~~~~~~~
test_printf.c:808:44: note: (near initialization for 'try_cl.code')
test_printf.c:811:17: warning: braces around scalar initializer
811 | { be32_to_cpu(0x41424344), "ABCD (0x41424344)", },
| ^
test_printf.c:811:17: note: (near initialization for 'try_cb.code')
test_printf.c:811:44: warning: excess elements in scalar initializer
811 | { be32_to_cpu(0x41424344), "ABCD (0x41424344)", },
| ^~~~~~~~~~~~~~~~~~~
test_printf.c:811:44: note: (near initialization for 'try_cb.code')
In file included from include/linux/kernel.h:16,
from test_printf.c:9:
>> include/linux/array_size.h:11:52: error: subscripted value is neither array nor pointer nor vector
11 | #define ARRAY_SIZE(arr) (sizeof(arr) / sizeof((arr)[0]) + __must_be_array(arr))
| ^
test_printf.c:815:37: note: in expansion of macro 'ARRAY_SIZE'
815 | fourcc_pointer_test(try_ch, ARRAY_SIZE(try_ch), "%p4ch");
| ^~~~~~~~~~
In file included from include/linux/build_bug.h:5,
from include/linux/init.h:5,
from test_printf.c:8:
>> include/linux/compiler.h:201:56: error: subscripted value is neither array nor pointer nor vector
201 | #define __is_array(a) (!__same_type((a), &(a)[0]))
| ^
include/linux/compiler.h:197:79: note: in definition of macro '__BUILD_BUG_ON_ZERO_MSG'
197 | #define __BUILD_BUG_ON_ZERO_MSG(e, msg) ((int)sizeof(struct {_Static_assert(!(e), msg);}))
| ^
include/linux/compiler.h:201:35: note: in expansion of macro '__same_type'
201 | #define __is_array(a) (!__same_type((a), &(a)[0]))
| ^~~~~~~~~~~
include/linux/compiler.h:202:58: note: in expansion of macro '__is_array'
202 | #define __must_be_array(a) __BUILD_BUG_ON_ZERO_MSG(!__is_array(a), \
| ^~~~~~~~~~
include/linux/array_size.h:11:59: note: in expansion of macro '__must_be_array'
11 | #define ARRAY_SIZE(arr) (sizeof(arr) / sizeof((arr)[0]) + __must_be_array(arr))
| ^~~~~~~~~~~~~~~
test_printf.c:815:37: note: in expansion of macro 'ARRAY_SIZE'
815 | fourcc_pointer_test(try_ch, ARRAY_SIZE(try_ch), "%p4ch");
| ^~~~~~~~~~
>> include/linux/compiler.h:197:77: error: expression in static assertion is not an integer
197 | #define __BUILD_BUG_ON_ZERO_MSG(e, msg) ((int)sizeof(struct {_Static_assert(!(e), msg);}))
| ^
include/linux/compiler.h:202:33: note: in expansion of macro '__BUILD_BUG_ON_ZERO_MSG'
202 | #define __must_be_array(a) __BUILD_BUG_ON_ZERO_MSG(!__is_array(a), \
| ^~~~~~~~~~~~~~~~~~~~~~~
include/linux/array_size.h:11:59: note: in expansion of macro '__must_be_array'
11 | #define ARRAY_SIZE(arr) (sizeof(arr) / sizeof((arr)[0]) + __must_be_array(arr))
| ^~~~~~~~~~~~~~~
test_printf.c:815:37: note: in expansion of macro 'ARRAY_SIZE'
815 | fourcc_pointer_test(try_ch, ARRAY_SIZE(try_ch), "%p4ch");
| ^~~~~~~~~~
test_printf.c:815:29: error: incompatible type for argument 1 of 'fourcc_pointer_test'
815 | fourcc_pointer_test(try_ch, ARRAY_SIZE(try_ch), "%p4ch");
| ^~~~~~
| |
| struct fourcc_struct
test_printf.c:784:68: note: expected 'const struct fourcc_struct *' but argument is of type 'struct fourcc_struct'
784 | static void __init fourcc_pointer_test(const struct fourcc_struct *fc, size_t n,
| ~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~
>> include/linux/array_size.h:11:52: error: subscripted value is neither array nor pointer nor vector
11 | #define ARRAY_SIZE(arr) (sizeof(arr) / sizeof((arr)[0]) + __must_be_array(arr))
| ^
test_printf.c:816:37: note: in expansion of macro 'ARRAY_SIZE'
816 | fourcc_pointer_test(try_cn, ARRAY_SIZE(try_cn), "%p4cn");
| ^~~~~~~~~~
>> include/linux/compiler.h:201:56: error: subscripted value is neither array nor pointer nor vector
201 | #define __is_array(a) (!__same_type((a), &(a)[0]))
| ^
include/linux/compiler.h:197:79: note: in definition of macro '__BUILD_BUG_ON_ZERO_MSG'
197 | #define __BUILD_BUG_ON_ZERO_MSG(e, msg) ((int)sizeof(struct {_Static_assert(!(e), msg);}))
| ^
include/linux/compiler.h:201:35: note: in expansion of macro '__same_type'
201 | #define __is_array(a) (!__same_type((a), &(a)[0]))
| ^~~~~~~~~~~
include/linux/compiler.h:202:58: note: in expansion of macro '__is_array'
202 | #define __must_be_array(a) __BUILD_BUG_ON_ZERO_MSG(!__is_array(a), \
| ^~~~~~~~~~
include/linux/array_size.h:11:59: note: in expansion of macro '__must_be_array'
11 | #define ARRAY_SIZE(arr) (sizeof(arr) / sizeof((arr)[0]) + __must_be_array(arr))
| ^~~~~~~~~~~~~~~
test_printf.c:816:37: note: in expansion of macro 'ARRAY_SIZE'
816 | fourcc_pointer_test(try_cn, ARRAY_SIZE(try_cn), "%p4cn");
| ^~~~~~~~~~
>> include/linux/compiler.h:197:77: error: expression in static assertion is not an integer
197 | #define __BUILD_BUG_ON_ZERO_MSG(e, msg) ((int)sizeof(struct {_Static_assert(!(e), msg);}))
| ^
include/linux/compiler.h:202:33: note: in expansion of macro '__BUILD_BUG_ON_ZERO_MSG'
202 | #define __must_be_array(a) __BUILD_BUG_ON_ZERO_MSG(!__is_array(a), \
| ^~~~~~~~~~~~~~~~~~~~~~~
include/linux/array_size.h:11:59: note: in expansion of macro '__must_be_array'
11 | #define ARRAY_SIZE(arr) (sizeof(arr) / sizeof((arr)[0]) + __must_be_array(arr))
| ^~~~~~~~~~~~~~~
test_printf.c:816:37: note: in expansion of macro 'ARRAY_SIZE'
816 | fourcc_pointer_test(try_cn, ARRAY_SIZE(try_cn), "%p4cn");
| ^~~~~~~~~~
test_printf.c:816:29: error: incompatible type for argument 1 of 'fourcc_pointer_test'
816 | fourcc_pointer_test(try_cn, ARRAY_SIZE(try_cn), "%p4cn");
| ^~~~~~
| |
| struct fourcc_struct
test_printf.c:784:68: note: expected 'const struct fourcc_struct *' but argument is of type 'struct fourcc_struct'
784 | static void __init fourcc_pointer_test(const struct fourcc_struct *fc, size_t n,
| ~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~
>> include/linux/array_size.h:11:52: error: subscripted value is neither array nor pointer nor vector
11 | #define ARRAY_SIZE(arr) (sizeof(arr) / sizeof((arr)[0]) + __must_be_array(arr))
| ^
test_printf.c:817:37: note: in expansion of macro 'ARRAY_SIZE'
817 | fourcc_pointer_test(try_cl, ARRAY_SIZE(try_cl), "%p4cl");
| ^~~~~~~~~~
>> include/linux/compiler.h:201:56: error: subscripted value is neither array nor pointer nor vector
201 | #define __is_array(a) (!__same_type((a), &(a)[0]))
| ^
include/linux/compiler.h:197:79: note: in definition of macro '__BUILD_BUG_ON_ZERO_MSG'
197 | #define __BUILD_BUG_ON_ZERO_MSG(e, msg) ((int)sizeof(struct {_Static_assert(!(e), msg);}))
| ^
include/linux/compiler.h:201:35: note: in expansion of macro '__same_type'
201 | #define __is_array(a) (!__same_type((a), &(a)[0]))
| ^~~~~~~~~~~
include/linux/compiler.h:202:58: note: in expansion of macro '__is_array'
202 | #define __must_be_array(a) __BUILD_BUG_ON_ZERO_MSG(!__is_array(a), \
| ^~~~~~~~~~
include/linux/array_size.h:11:59: note: in expansion of macro '__must_be_array'
11 | #define ARRAY_SIZE(arr) (sizeof(arr) / sizeof((arr)[0]) + __must_be_array(arr))
| ^~~~~~~~~~~~~~~
test_printf.c:817:37: note: in expansion of macro 'ARRAY_SIZE'
817 | fourcc_pointer_test(try_cl, ARRAY_SIZE(try_cl), "%p4cl");
| ^~~~~~~~~~
>> include/linux/compiler.h:197:77: error: expression in static assertion is not an integer
197 | #define __BUILD_BUG_ON_ZERO_MSG(e, msg) ((int)sizeof(struct {_Static_assert(!(e), msg);}))
| ^
include/linux/compiler.h:202:33: note: in expansion of macro '__BUILD_BUG_ON_ZERO_MSG'
202 | #define __must_be_array(a) __BUILD_BUG_ON_ZERO_MSG(!__is_array(a), \
| ^~~~~~~~~~~~~~~~~~~~~~~
include/linux/array_size.h:11:59: note: in expansion of macro '__must_be_array'
11 | #define ARRAY_SIZE(arr) (sizeof(arr) / sizeof((arr)[0]) + __must_be_array(arr))
| ^~~~~~~~~~~~~~~
test_printf.c:817:37: note: in expansion of macro 'ARRAY_SIZE'
817 | fourcc_pointer_test(try_cl, ARRAY_SIZE(try_cl), "%p4cl");
| ^~~~~~~~~~
test_printf.c:817:29: error: incompatible type for argument 1 of 'fourcc_pointer_test'
817 | fourcc_pointer_test(try_cl, ARRAY_SIZE(try_cl), "%p4cl");
| ^~~~~~
| |
| struct fourcc_struct
test_printf.c:784:68: note: expected 'const struct fourcc_struct *' but argument is of type 'struct fourcc_struct'
784 | static void __init fourcc_pointer_test(const struct fourcc_struct *fc, size_t n,
| ~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~
>> include/linux/array_size.h:11:52: error: subscripted value is neither array nor pointer nor vector
11 | #define ARRAY_SIZE(arr) (sizeof(arr) / sizeof((arr)[0]) + __must_be_array(arr))
| ^
test_printf.c:818:37: note: in expansion of macro 'ARRAY_SIZE'
818 | fourcc_pointer_test(try_cb, ARRAY_SIZE(try_cb), "%p4cb");
| ^~~~~~~~~~
>> include/linux/compiler.h:201:56: error: subscripted value is neither array nor pointer nor vector
201 | #define __is_array(a) (!__same_type((a), &(a)[0]))
| ^
include/linux/compiler.h:197:79: note: in definition of macro '__BUILD_BUG_ON_ZERO_MSG'
197 | #define __BUILD_BUG_ON_ZERO_MSG(e, msg) ((int)sizeof(struct {_Static_assert(!(e), msg);}))
| ^
include/linux/compiler.h:201:35: note: in expansion of macro '__same_type'
201 | #define __is_array(a) (!__same_type((a), &(a)[0]))
| ^~~~~~~~~~~
include/linux/compiler.h:202:58: note: in expansion of macro '__is_array'
202 | #define __must_be_array(a) __BUILD_BUG_ON_ZERO_MSG(!__is_array(a), \
| ^~~~~~~~~~
include/linux/array_size.h:11:59: note: in expansion of macro '__must_be_array'
11 | #define ARRAY_SIZE(arr) (sizeof(arr) / sizeof((arr)[0]) + __must_be_array(arr))
| ^~~~~~~~~~~~~~~
test_printf.c:818:37: note: in expansion of macro 'ARRAY_SIZE'
818 | fourcc_pointer_test(try_cb, ARRAY_SIZE(try_cb), "%p4cb");
| ^~~~~~~~~~
>> include/linux/compiler.h:197:77: error: expression in static assertion is not an integer
197 | #define __BUILD_BUG_ON_ZERO_MSG(e, msg) ((int)sizeof(struct {_Static_assert(!(e), msg);}))
| ^
include/linux/compiler.h:202:33: note: in expansion of macro '__BUILD_BUG_ON_ZERO_MSG'
202 | #define __must_be_array(a) __BUILD_BUG_ON_ZERO_MSG(!__is_array(a), \
| ^~~~~~~~~~~~~~~~~~~~~~~
include/linux/array_size.h:11:59: note: in expansion of macro '__must_be_array'
11 | #define ARRAY_SIZE(arr) (sizeof(arr) / sizeof((arr)[0]) + __must_be_array(arr))
| ^~~~~~~~~~~~~~~
test_printf.c:818:37: note: in expansion of macro 'ARRAY_SIZE'
818 | fourcc_pointer_test(try_cb, ARRAY_SIZE(try_cb), "%p4cb");
| ^~~~~~~~~~
test_printf.c:818:29: error: incompatible type for argument 1 of 'fourcc_pointer_test'
818 | fourcc_pointer_test(try_cb, ARRAY_SIZE(try_cb), "%p4cb");
| ^~~~~~
| |
| struct fourcc_struct
test_printf.c:784:68: note: expected 'const struct fourcc_struct *' but argument is of type 'struct fourcc_struct'
784 | static void __init fourcc_pointer_test(const struct fourcc_struct *fc, size_t n,
| ~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~
vim +/fourcc_pointer_test +815 lib/test_printf.c
792
793 static void __init fourcc_pointer(void)
794 {
795 static const struct fourcc_struct try_cc[] = {
796 { 0x3231564e, "NV12 little-endian (0x3231564e)", },
797 { 0xb231564e, "NV12 big-endian (0xb231564e)", },
798 { 0x10111213, ".... little-endian (0x10111213)", },
799 { 0x20303159, "Y10 little-endian (0x20303159)", },
800 };
801 static const struct fourcc_struct try_ch = {
> 802 { 0x41424344, "ABCD (0x41424344)", },
803 };
804 static const struct fourcc_struct try_cn = {
805 { 0x41424344, "DCBA (0x44434241)", },
806 };
807 static const struct fourcc_struct try_cl = {
808 { le32_to_cpu(0x41424344), "ABCD (0x41424344)", },
809 };
810 static const struct fourcc_struct try_cb = {
811 { be32_to_cpu(0x41424344), "ABCD (0x41424344)", },
812 };
813
814 fourcc_pointer_test(try_cc, ARRAY_SIZE(try_cc), "%p4cc");
> 815 fourcc_pointer_test(try_ch, ARRAY_SIZE(try_ch), "%p4ch");
816 fourcc_pointer_test(try_cn, ARRAY_SIZE(try_cn), "%p4cn");
817 fourcc_pointer_test(try_cl, ARRAY_SIZE(try_cl), "%p4cl");
818 fourcc_pointer_test(try_cb, ARRAY_SIZE(try_cb), "%p4cb");
819 }
820
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
^ permalink raw reply [flat|nested] 2+ messages in thread* Re: [PATCH v5] lib/vsprintf: Add support for generic FourCCs by extending %p4cc
[not found] <2C9622E6-A2DB-4681-A971-604C79F9955E@live.com>
2025-03-01 17:35 ` [PATCH v5] lib/vsprintf: Add support for generic FourCCs by extending %p4cc kernel test robot
@ 2025-03-01 18:07 ` kernel test robot
1 sibling, 0 replies; 2+ messages in thread
From: kernel test robot @ 2025-03-01 18:07 UTC (permalink / raw)
To: Aditya Garg, Petr Mladek, Steven Rostedt, andriy.shevchenko,
Rasmus Villemoes, senozhatsky, Jonathan Corbet, Andrew Morton,
apw, joe, dwaipayanray1, lukas.bulwahn
Cc: llvm, oe-kbuild-all, Linux Memory Management List, linux-doc,
Linux Kernel Mailing List, Hector Martin, Sven Peter,
Janne Grunau, Alyssa Rosenzweig, Asahi Linux Mailing List
Hi Aditya,
kernel test robot noticed the following build errors:
[auto build test ERROR on akpm-mm/mm-nonmm-unstable]
[also build test ERROR on linus/master v6.14-rc4 next-20250228]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch#_base_tree_information]
url: https://github.com/intel-lab-lkp/linux/commits/Aditya-Garg/lib-vsprintf-Add-support-for-generic-FourCCs-by-extending-p4cc/20250301-003018
base: https://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm.git mm-nonmm-unstable
patch link: https://lore.kernel.org/r/2C9622E6-A2DB-4681-A971-604C79F9955E%40live.com
patch subject: [PATCH v5] lib/vsprintf: Add support for generic FourCCs by extending %p4cc
config: arm-randconfig-004-20250301 (https://download.01.org/0day-ci/archive/20250302/202503020112.24wZ1Wcs-lkp@intel.com/config)
compiler: clang version 21.0.0git (https://github.com/llvm/llvm-project 14170b16028c087ca154878f5ed93d3089a965c6)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250302/202503020112.24wZ1Wcs-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/202503020112.24wZ1Wcs-lkp@intel.com/
All errors (new ones prefixed by >>):
lib/test_printf.c:802:17: warning: excess elements in scalar initializer [-Wexcess-initializers]
802 | { 0x41424344, "ABCD (0x41424344)", },
| ^~~~~~~~~~~~~~~~~~~
lib/test_printf.c:805:17: warning: excess elements in scalar initializer [-Wexcess-initializers]
805 | { 0x41424344, "DCBA (0x44434241)", },
| ^~~~~~~~~~~~~~~~~~~
lib/test_printf.c:808:30: warning: excess elements in scalar initializer [-Wexcess-initializers]
808 | { le32_to_cpu(0x41424344), "ABCD (0x41424344)", },
| ^~~~~~~~~~~~~~~~~~~
lib/test_printf.c:811:30: warning: excess elements in scalar initializer [-Wexcess-initializers]
811 | { be32_to_cpu(0x41424344), "ABCD (0x41424344)", },
| ^~~~~~~~~~~~~~~~~~~
>> lib/test_printf.c:815:30: error: subscripted value is not an array, pointer, or vector
815 | fourcc_pointer_test(try_ch, ARRAY_SIZE(try_ch), "%p4ch");
| ^~~~~~~~~~~~~~~~~~
include/linux/array_size.h:11:52: note: expanded from macro 'ARRAY_SIZE'
11 | #define ARRAY_SIZE(arr) (sizeof(arr) / sizeof((arr)[0]) + __must_be_array(arr))
| ~~~~~^~
>> lib/test_printf.c:815:30: error: subscripted value is not an array, pointer, or vector
815 | fourcc_pointer_test(try_ch, ARRAY_SIZE(try_ch), "%p4ch");
| ^~~~~~~~~~~~~~~~~~
include/linux/array_size.h:11:59: note: expanded from macro 'ARRAY_SIZE'
11 | #define ARRAY_SIZE(arr) (sizeof(arr) / sizeof((arr)[0]) + __must_be_array(arr))
| ^~~~~~~~~~~~~~~~~~~~
include/linux/compiler.h:202:53: note: expanded from macro '__must_be_array'
202 | #define __must_be_array(a) __BUILD_BUG_ON_ZERO_MSG(!__is_array(a), \
| ~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~
203 | "must be array")
| ~~~~~~~~~~~~~~~~
include/linux/compiler.h:201:47: note: expanded from macro '__is_array'
201 | #define __is_array(a) (!__same_type((a), &(a)[0]))
| ^~
include/linux/compiler_types.h:483:74: note: expanded from macro '__same_type'
483 | #define __same_type(a, b) __builtin_types_compatible_p(typeof(a), typeof(b))
| ^
include/linux/compiler.h:197:79: note: expanded from macro '__BUILD_BUG_ON_ZERO_MSG'
197 | #define __BUILD_BUG_ON_ZERO_MSG(e, msg) ((int)sizeof(struct {_Static_assert(!(e), msg);}))
| ^
lib/test_printf.c:816:30: error: subscripted value is not an array, pointer, or vector
816 | fourcc_pointer_test(try_cn, ARRAY_SIZE(try_cn), "%p4cn");
| ^~~~~~~~~~~~~~~~~~
include/linux/array_size.h:11:52: note: expanded from macro 'ARRAY_SIZE'
11 | #define ARRAY_SIZE(arr) (sizeof(arr) / sizeof((arr)[0]) + __must_be_array(arr))
| ~~~~~^~
lib/test_printf.c:816:30: error: subscripted value is not an array, pointer, or vector
816 | fourcc_pointer_test(try_cn, ARRAY_SIZE(try_cn), "%p4cn");
| ^~~~~~~~~~~~~~~~~~
include/linux/array_size.h:11:59: note: expanded from macro 'ARRAY_SIZE'
11 | #define ARRAY_SIZE(arr) (sizeof(arr) / sizeof((arr)[0]) + __must_be_array(arr))
| ^~~~~~~~~~~~~~~~~~~~
include/linux/compiler.h:202:53: note: expanded from macro '__must_be_array'
202 | #define __must_be_array(a) __BUILD_BUG_ON_ZERO_MSG(!__is_array(a), \
| ~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~
203 | "must be array")
| ~~~~~~~~~~~~~~~~
include/linux/compiler.h:201:47: note: expanded from macro '__is_array'
201 | #define __is_array(a) (!__same_type((a), &(a)[0]))
| ^~
include/linux/compiler_types.h:483:74: note: expanded from macro '__same_type'
483 | #define __same_type(a, b) __builtin_types_compatible_p(typeof(a), typeof(b))
| ^
include/linux/compiler.h:197:79: note: expanded from macro '__BUILD_BUG_ON_ZERO_MSG'
197 | #define __BUILD_BUG_ON_ZERO_MSG(e, msg) ((int)sizeof(struct {_Static_assert(!(e), msg);}))
| ^
lib/test_printf.c:817:30: error: subscripted value is not an array, pointer, or vector
817 | fourcc_pointer_test(try_cl, ARRAY_SIZE(try_cl), "%p4cl");
| ^~~~~~~~~~~~~~~~~~
include/linux/array_size.h:11:52: note: expanded from macro 'ARRAY_SIZE'
11 | #define ARRAY_SIZE(arr) (sizeof(arr) / sizeof((arr)[0]) + __must_be_array(arr))
| ~~~~~^~
lib/test_printf.c:817:30: error: subscripted value is not an array, pointer, or vector
817 | fourcc_pointer_test(try_cl, ARRAY_SIZE(try_cl), "%p4cl");
| ^~~~~~~~~~~~~~~~~~
include/linux/array_size.h:11:59: note: expanded from macro 'ARRAY_SIZE'
11 | #define ARRAY_SIZE(arr) (sizeof(arr) / sizeof((arr)[0]) + __must_be_array(arr))
| ^~~~~~~~~~~~~~~~~~~~
include/linux/compiler.h:202:53: note: expanded from macro '__must_be_array'
202 | #define __must_be_array(a) __BUILD_BUG_ON_ZERO_MSG(!__is_array(a), \
| ~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~
203 | "must be array")
| ~~~~~~~~~~~~~~~~
include/linux/compiler.h:201:47: note: expanded from macro '__is_array'
201 | #define __is_array(a) (!__same_type((a), &(a)[0]))
| ^~
include/linux/compiler_types.h:483:74: note: expanded from macro '__same_type'
483 | #define __same_type(a, b) __builtin_types_compatible_p(typeof(a), typeof(b))
| ^
include/linux/compiler.h:197:79: note: expanded from macro '__BUILD_BUG_ON_ZERO_MSG'
197 | #define __BUILD_BUG_ON_ZERO_MSG(e, msg) ((int)sizeof(struct {_Static_assert(!(e), msg);}))
| ^
lib/test_printf.c:818:30: error: subscripted value is not an array, pointer, or vector
818 | fourcc_pointer_test(try_cb, ARRAY_SIZE(try_cb), "%p4cb");
| ^~~~~~~~~~~~~~~~~~
include/linux/array_size.h:11:52: note: expanded from macro 'ARRAY_SIZE'
11 | #define ARRAY_SIZE(arr) (sizeof(arr) / sizeof((arr)[0]) + __must_be_array(arr))
| ~~~~~^~
lib/test_printf.c:818:30: error: subscripted value is not an array, pointer, or vector
818 | fourcc_pointer_test(try_cb, ARRAY_SIZE(try_cb), "%p4cb");
| ^~~~~~~~~~~~~~~~~~
include/linux/array_size.h:11:59: note: expanded from macro 'ARRAY_SIZE'
11 | #define ARRAY_SIZE(arr) (sizeof(arr) / sizeof((arr)[0]) + __must_be_array(arr))
| ^~~~~~~~~~~~~~~~~~~~
include/linux/compiler.h:202:53: note: expanded from macro '__must_be_array'
202 | #define __must_be_array(a) __BUILD_BUG_ON_ZERO_MSG(!__is_array(a), \
| ~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~
203 | "must be array")
| ~~~~~~~~~~~~~~~~
include/linux/compiler.h:201:47: note: expanded from macro '__is_array'
201 | #define __is_array(a) (!__same_type((a), &(a)[0]))
| ^~
include/linux/compiler_types.h:483:74: note: expanded from macro '__same_type'
483 | #define __same_type(a, b) __builtin_types_compatible_p(typeof(a), typeof(b))
| ^
include/linux/compiler.h:197:79: note: expanded from macro '__BUILD_BUG_ON_ZERO_MSG'
197 | #define __BUILD_BUG_ON_ZERO_MSG(e, msg) ((int)sizeof(struct {_Static_assert(!(e), msg);}))
| ^
4 warnings and 8 errors generated.
vim +815 lib/test_printf.c
792
793 static void __init fourcc_pointer(void)
794 {
795 static const struct fourcc_struct try_cc[] = {
796 { 0x3231564e, "NV12 little-endian (0x3231564e)", },
797 { 0xb231564e, "NV12 big-endian (0xb231564e)", },
798 { 0x10111213, ".... little-endian (0x10111213)", },
799 { 0x20303159, "Y10 little-endian (0x20303159)", },
800 };
801 static const struct fourcc_struct try_ch = {
802 { 0x41424344, "ABCD (0x41424344)", },
803 };
804 static const struct fourcc_struct try_cn = {
805 { 0x41424344, "DCBA (0x44434241)", },
806 };
807 static const struct fourcc_struct try_cl = {
808 { le32_to_cpu(0x41424344), "ABCD (0x41424344)", },
809 };
810 static const struct fourcc_struct try_cb = {
811 { be32_to_cpu(0x41424344), "ABCD (0x41424344)", },
812 };
813
814 fourcc_pointer_test(try_cc, ARRAY_SIZE(try_cc), "%p4cc");
> 815 fourcc_pointer_test(try_ch, ARRAY_SIZE(try_ch), "%p4ch");
816 fourcc_pointer_test(try_cn, ARRAY_SIZE(try_cn), "%p4cn");
817 fourcc_pointer_test(try_cl, ARRAY_SIZE(try_cl), "%p4cl");
818 fourcc_pointer_test(try_cb, ARRAY_SIZE(try_cb), "%p4cb");
819 }
820
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
^ permalink raw reply [flat|nested] 2+ messages in thread