* [linux-next:master 6848/11453] sound/pci/bt87x.c:27:12: warning: 'index' defined but not used
@ 2023-08-21 12:51 kernel test robot
0 siblings, 0 replies; only message in thread
From: kernel test robot @ 2023-08-21 12:51 UTC (permalink / raw)
To: WANG Xuerui; +Cc: oe-kbuild-all, Linux Memory Management List, Huacai Chen
tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master
head: 47d9bb711707d15b19fad18c8e2b4b027a264a3a
commit: e2843c7596e77f4f9b006a1417546231395d0986 [6848/11453] LoongArch: Replace -ffreestanding with finer-grained -fno-builtin's
config: loongarch-defconfig (https://download.01.org/0day-ci/archive/20230821/202308212007.ZUt7noOA-lkp@intel.com/config)
compiler: loongarch64-linux-gcc (GCC) 12.3.0
reproduce: (https://download.01.org/0day-ci/archive/20230821/202308212007.ZUt7noOA-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/202308212007.ZUt7noOA-lkp@intel.com/
All warnings (new ones prefixed by >>):
In file included from include/linux/percpu.h:13,
from include/linux/context_tracking_state.h:5,
from include/linux/hardirq.h:5,
from include/linux/interrupt.h:11,
from sound/pci/bt87x.c:11:
arch/loongarch/include/asm/percpu.h:20:4: error: #error compiler support for the model attribute is necessary when a recent assembler is used
20 | # error compiler support for the model attribute is necessary when a recent assembler is used
| ^~~~~
In file included from include/linux/init.h:5,
from sound/pci/bt87x.c:10:
include/linux/build_bug.h:16:51: error: bit-field '<anonymous>' width not an integer constant
16 | #define BUILD_BUG_ON_ZERO(e) ((int)(sizeof(struct { int:(-!!(e)); })))
| ^
include/linux/compiler.h:231:33: note: in expansion of macro 'BUILD_BUG_ON_ZERO'
231 | #define __must_be_array(a) BUILD_BUG_ON_ZERO(__same_type((a), &(a)[0]))
| ^~~~~~~~~~~~~~~~~
include/linux/kernel.h:56:59: note: in expansion of macro '__must_be_array'
56 | #define ARRAY_SIZE(arr) (sizeof(arr) / sizeof((arr)[0]) + __must_be_array(arr))
| ^~~~~~~~~~~~~~~
include/linux/moduleparam.h:517:20: note: in expansion of macro 'ARRAY_SIZE'
517 | = { .max = ARRAY_SIZE(array), .num = nump, \
| ^~~~~~~~~~
include/linux/moduleparam.h:501:9: note: in expansion of macro 'module_param_array_named'
501 | module_param_array_named(name, name, type, nump, perm)
| ^~~~~~~~~~~~~~~~~~~~~~~~
sound/pci/bt87x.c:33:1: note: in expansion of macro 'module_param_array'
33 | module_param_array(index, int, NULL, 0444);
| ^~~~~~~~~~~~~~~~~~
>> sound/pci/bt87x.c:27:12: warning: 'index' defined but not used [-Wunused-variable]
27 | static int index[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = -2}; /* Exclude the first card */
| ^~~~~
--
In file included from include/linux/irqflags.h:18,
from include/linux/spinlock.h:59,
from include/linux/mmzone.h:8,
from include/linux/gfp.h:7,
from include/linux/slab.h:16,
from sound/usb/card.c:26:
arch/loongarch/include/asm/percpu.h:20:4: error: #error compiler support for the model attribute is necessary when a recent assembler is used
20 | # error compiler support for the model attribute is necessary when a recent assembler is used
| ^~~~~
In file included from include/linux/bits.h:21,
from include/linux/bitops.h:6,
from sound/usb/card.c:23:
include/linux/build_bug.h:16:51: error: bit-field '<anonymous>' width not an integer constant
16 | #define BUILD_BUG_ON_ZERO(e) ((int)(sizeof(struct { int:(-!!(e)); })))
| ^
include/linux/compiler.h:231:33: note: in expansion of macro 'BUILD_BUG_ON_ZERO'
231 | #define __must_be_array(a) BUILD_BUG_ON_ZERO(__same_type((a), &(a)[0]))
| ^~~~~~~~~~~~~~~~~
include/linux/kernel.h:56:59: note: in expansion of macro '__must_be_array'
56 | #define ARRAY_SIZE(arr) (sizeof(arr) / sizeof((arr)[0]) + __must_be_array(arr))
| ^~~~~~~~~~~~~~~
include/linux/moduleparam.h:517:20: note: in expansion of macro 'ARRAY_SIZE'
517 | = { .max = ARRAY_SIZE(array), .num = nump, \
| ^~~~~~~~~~
include/linux/moduleparam.h:501:9: note: in expansion of macro 'module_param_array_named'
501 | module_param_array_named(name, name, type, nump, perm)
| ^~~~~~~~~~~~~~~~~~~~~~~~
sound/usb/card.c:81:1: note: in expansion of macro 'module_param_array'
81 | module_param_array(index, int, NULL, 0444);
| ^~~~~~~~~~~~~~~~~~
>> sound/usb/card.c:63:12: warning: 'index' defined but not used [-Wunused-variable]
63 | static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; /* Index 0-MAX */
| ^~~~~
vim +/index +27 sound/pci/bt87x.c
^1da177e4c3f41 Linus Torvalds 2005-04-16 26
^1da177e4c3f41 Linus Torvalds 2005-04-16 @27 static int index[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = -2}; /* Exclude the first card */
^1da177e4c3f41 Linus Torvalds 2005-04-16 28 static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; /* ID for this card */
a67ff6a54095e2 Rusty Russell 2011-12-15 29 static bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP; /* Enable this card */
6581f4e74d8541 Takashi Iwai 2006-05-17 30 static int digital_rate[SNDRV_CARDS]; /* digital input rate */
6205372c320bed Takashi Iwai 2020-07-14 31 static bool load_all; /* allow to load cards not the allowlist */
^1da177e4c3f41 Linus Torvalds 2005-04-16 32
:::::: The code at line 27 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
https://github.com/intel/lkp-tests/wiki
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2023-08-21 12:51 [linux-next:master 6848/11453] sound/pci/bt87x.c:27:12: warning: 'index' defined but not used kernel test robot
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