* [tiwai-sound:test/hda-reorg 29/53] sound/hda/common/hwdep.c:26:6: warning: label followed by a declaration is a C23 extension
@ 2025-07-05 6:32 kernel test robot
0 siblings, 0 replies; only message in thread
From: kernel test robot @ 2025-07-05 6:32 UTC (permalink / raw)
To: Takashi Iwai; +Cc: llvm, oe-kbuild-all, alsa-devel
tree: https://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound.git test/hda-reorg
head: 6119728edf86cefcbf7b20e000414c85916e900d
commit: 5b965be899c8e3286f5111b7e90207afe5124b67 [29/53] ALSA: hda: Move common codec driver into sound/hda/common directory
config: riscv-randconfig-001-20250705 (https://download.01.org/0day-ci/archive/20250705/202507051454.VintnWOF-lkp@intel.com/config)
compiler: clang version 21.0.0git (https://github.com/llvm/llvm-project 61529d9e36fa86782a2458e6bdeedf7f376ef4b5)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250705/202507051454.VintnWOF-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/202507051454.VintnWOF-lkp@intel.com/
All warnings (new ones prefixed by >>):
In file included from sound/hda/common/hwdep.c:10:
In file included from include/linux/compat.h:17:
include/linux/fs.h:3979:15: warning: label followed by a declaration is a C23 extension [-Wc23-extensions]
3979 | if (unlikely(get_user(c, path)))
| ^
arch/riscv/include/asm/uaccess.h:274:3: note: expanded from macro 'get_user'
274 | __get_user((x), __p) : \
| ^
arch/riscv/include/asm/uaccess.h:244:2: note: expanded from macro '__get_user'
244 | __get_user_error(__gu_val, __gu_ptr, __gu_err); \
| ^
arch/riscv/include/asm/uaccess.h:207:2: note: expanded from macro '__get_user_error'
207 | __get_user_nocheck(x, ptr, __gu_failed); \
| ^
arch/riscv/include/asm/uaccess.h:196:3: note: expanded from macro '__get_user_nocheck'
196 | __get_user_8((x), __gu_ptr, label); \
| ^
arch/riscv/include/asm/uaccess.h:130:2: note: expanded from macro '__get_user_8'
130 | u32 __user *__ptr = (u32 __user *)(ptr); \
| ^
>> sound/hda/common/hwdep.c:26:6: warning: label followed by a declaration is a C23 extension [-Wc23-extensions]
26 | if (get_user(verb, &arg->verb))
| ^
arch/riscv/include/asm/uaccess.h:274:3: note: expanded from macro 'get_user'
274 | __get_user((x), __p) : \
| ^
arch/riscv/include/asm/uaccess.h:244:2: note: expanded from macro '__get_user'
244 | __get_user_error(__gu_val, __gu_ptr, __gu_err); \
| ^
arch/riscv/include/asm/uaccess.h:207:2: note: expanded from macro '__get_user_error'
207 | __get_user_nocheck(x, ptr, __gu_failed); \
| ^
arch/riscv/include/asm/uaccess.h:196:3: note: expanded from macro '__get_user_nocheck'
196 | __get_user_8((x), __gu_ptr, label); \
| ^
arch/riscv/include/asm/uaccess.h:130:2: note: expanded from macro '__get_user_8'
130 | u32 __user *__ptr = (u32 __user *)(ptr); \
| ^
sound/hda/common/hwdep.c:40:6: warning: label followed by a declaration is a C23 extension [-Wc23-extensions]
40 | if (get_user(verb, &arg->verb))
| ^
arch/riscv/include/asm/uaccess.h:274:3: note: expanded from macro 'get_user'
274 | __get_user((x), __p) : \
| ^
arch/riscv/include/asm/uaccess.h:244:2: note: expanded from macro '__get_user'
244 | __get_user_error(__gu_val, __gu_ptr, __gu_err); \
| ^
arch/riscv/include/asm/uaccess.h:207:2: note: expanded from macro '__get_user_error'
207 | __get_user_nocheck(x, ptr, __gu_failed); \
| ^
arch/riscv/include/asm/uaccess.h:196:3: note: expanded from macro '__get_user_nocheck'
196 | __get_user_8((x), __gu_ptr, label); \
| ^
arch/riscv/include/asm/uaccess.h:130:2: note: expanded from macro '__get_user_8'
130 | u32 __user *__ptr = (u32 __user *)(ptr); \
| ^
3 warnings generated.
vim +26 sound/hda/common/hwdep.c
2807314d467e7d sound/pci/hda/hda_hwdep.c Takashi Iwai 2007-07-27 17
2807314d467e7d sound/pci/hda/hda_hwdep.c Takashi Iwai 2007-07-27 18 /*
2807314d467e7d sound/pci/hda/hda_hwdep.c Takashi Iwai 2007-07-27 19 * write/read an out-of-bound verb
2807314d467e7d sound/pci/hda/hda_hwdep.c Takashi Iwai 2007-07-27 20 */
2807314d467e7d sound/pci/hda/hda_hwdep.c Takashi Iwai 2007-07-27 21 static int verb_write_ioctl(struct hda_codec *codec,
2807314d467e7d sound/pci/hda/hda_hwdep.c Takashi Iwai 2007-07-27 22 struct hda_verb_ioctl __user *arg)
2807314d467e7d sound/pci/hda/hda_hwdep.c Takashi Iwai 2007-07-27 23 {
2807314d467e7d sound/pci/hda/hda_hwdep.c Takashi Iwai 2007-07-27 24 u32 verb, res;
2807314d467e7d sound/pci/hda/hda_hwdep.c Takashi Iwai 2007-07-27 25
2807314d467e7d sound/pci/hda/hda_hwdep.c Takashi Iwai 2007-07-27 @26 if (get_user(verb, &arg->verb))
2807314d467e7d sound/pci/hda/hda_hwdep.c Takashi Iwai 2007-07-27 27 return -EFAULT;
2807314d467e7d sound/pci/hda/hda_hwdep.c Takashi Iwai 2007-07-27 28 res = snd_hda_codec_read(codec, verb >> 24, 0,
2807314d467e7d sound/pci/hda/hda_hwdep.c Takashi Iwai 2007-07-27 29 (verb >> 8) & 0xffff, verb & 0xff);
2807314d467e7d sound/pci/hda/hda_hwdep.c Takashi Iwai 2007-07-27 30 if (put_user(res, &arg->res))
2807314d467e7d sound/pci/hda/hda_hwdep.c Takashi Iwai 2007-07-27 31 return -EFAULT;
2807314d467e7d sound/pci/hda/hda_hwdep.c Takashi Iwai 2007-07-27 32 return 0;
2807314d467e7d sound/pci/hda/hda_hwdep.c Takashi Iwai 2007-07-27 33 }
2807314d467e7d sound/pci/hda/hda_hwdep.c Takashi Iwai 2007-07-27 34
:::::: The code at line 26 was first introduced by commit
:::::: 2807314d467e7dd929c42050031aabbd28e78f0b [ALSA] hda-intel - Add hwdep interface
:::::: TO: Takashi Iwai <tiwai@suse.de>
:::::: CC: Jaroslav Kysela <perex@perex.cz>
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
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2025-07-05 6:32 [tiwai-sound:test/hda-reorg 29/53] sound/hda/common/hwdep.c:26:6: warning: label followed by a declaration is a C23 extension kernel test robot
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