Messages in this thread | | | Date | Mon, 13 Jun 2022 09:00:14 +0800 | From | kernel test robot <> | Subject | [ammarfaizi2-block:tiwai/sound/test/ctl-xarray 8/8] sound/core/control.c:390:11: sparse: sparse: incorrect type in assignment (different base types) |
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tree: https://github.com/ammarfaizi2/linux-block tiwai/sound/test/ctl-xarray head: 4b5b1ae4a0fc499da62080dc54e6492df9a96dd7 commit: 4b5b1ae4a0fc499da62080dc54e6492df9a96dd7 [8/8] ALSA: control: Use xarray for faster lookups config: arc-randconfig-s031-20220612 (https://download.01.org/0day-ci/archive/20220613/202206130850.ovjHDlOp-lkp@intel.com/config) compiler: arceb-elf-gcc (GCC) 11.3.0 reproduce: wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # apt-get install sparse # sparse version: v0.6.4-30-g92122700-dirty # https://github.com/ammarfaizi2/linux-block/commit/4b5b1ae4a0fc499da62080dc54e6492df9a96dd7 git remote add ammarfaizi2-block https://github.com/ammarfaizi2/linux-block git fetch --no-tags ammarfaizi2-block tiwai/sound/test/ctl-xarray git checkout 4b5b1ae4a0fc499da62080dc54e6492df9a96dd7 # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.3.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=arc SHELL=/bin/bash sound/core/
If you fix the issue, kindly add following tag where applicable Reported-by: kernel test robot <lkp@intel.com>
sparse warnings: (new ones prefixed by >>) >> sound/core/control.c:390:11: sparse: sparse: incorrect type in assignment (different base types) @@ expected unsigned long h @@ got restricted snd_ctl_elem_iface_t const [usertype] iface @@ sound/core/control.c:390:11: sparse: expected unsigned long h sound/core/control.c:390:11: sparse: got restricted snd_ctl_elem_iface_t const [usertype] iface sound/core/control.c:926:17: sparse: sparse: restricted snd_ctl_elem_type_t degrades to integer sound/core/control.c:926:26: sparse: sparse: restricted snd_ctl_elem_type_t degrades to integer sound/core/control.c:927:17: sparse: sparse: restricted snd_ctl_elem_type_t degrades to integer sound/core/control.c:927:26: sparse: sparse: restricted snd_ctl_elem_type_t degrades to integer sound/core/control.c:946:48: sparse: sparse: restricted snd_ctl_elem_type_t degrades to integer sound/core/control.c:1640:40: sparse: sparse: restricted snd_ctl_elem_type_t degrades to integer
vim +390 sound/core/control.c
378 379 #ifdef CONFIG_SND_CTL_FAST_LOOKUP 380 /* Compute a hash key for the corresponding ctl id 381 * It's for the name lookup, hence the numid is excluded. 382 * The hash key is bound in LONG_MAX to be used for Xarray key. 383 */ 384 #define MULTIPLIER 37 385 static unsigned long get_ctl_id_hash(const struct snd_ctl_elem_id *id) 386 { 387 unsigned long h; 388 const unsigned char *p; 389 > 390 h = id->iface; 391 h = MULTIPLIER * h + id->device; 392 h = MULTIPLIER * h + id->subdevice; 393 for (p = id->name; *p; p++) 394 h = MULTIPLIER * h + *p; 395 h = MULTIPLIER * h + id->index; 396 h &= LONG_MAX; 397 return h; 398 } 399
-- 0-DAY CI Kernel Test Service https://01.org/lkp
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