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X-IronPort-AV: E=McAfee;i="6600,9927,10945"; a="11178043" X-IronPort-AV: E=Sophos;i="6.04,338,1695711600"; d="scan'208";a="11178043" Received: from orsmga004.jf.intel.com ([10.7.209.38]) by fmvoesa102.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 06 Jan 2024 17:28:45 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6600,9927,10945"; a="904468580" X-IronPort-AV: E=Sophos;i="6.04,338,1695711600"; d="scan'208";a="904468580" Received: from lkp-server02.sh.intel.com (HELO b07ab15da5fe) ([10.239.97.151]) by orsmga004.jf.intel.com with ESMTP; 06 Jan 2024 17:28:43 -0800 Received: from kbuild by b07ab15da5fe with local (Exim 4.96) (envelope-from ) id 1rMHxx-0003F4-0g; Sun, 07 Jan 2024 01:28:41 +0000 Date: Sun, 7 Jan 2024 09:28:32 +0800 From: kernel test robot To: Takashi Iwai Cc: oe-kbuild-all@lists.linux.dev, linux-kernel@vger.kernel.org Subject: sound/core/control.c:390:11: sparse: sparse: incorrect type in assignment (different base types) Message-ID: <202401070905.atBrWkl7-lkp@intel.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 52b1853b080a082ec3749c3a9577f6c71b1d4a90 commit: c27e1efb61c545f36c450ef60862df9251d239a4 ALSA: control: Use xarray for faster lookups date: 1 year, 7 months ago config: x86_64-randconfig-121-20240106 (https://download.01.org/0day-ci/archive/20240107/202401070905.atBrWkl7-lkp@intel.com/config) compiler: ClangBuiltLinux clang version 17.0.6 (https://github.com/llvm/llvm-project 6009708b4367171ccdbf4b5905cb6a803753fe18) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240107/202401070905.atBrWkl7-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 | Closes: https://lore.kernel.org/oe-kbuild-all/202401070905.atBrWkl7-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 sound/core/control.c: note: in included file: sound/core/control_compat.c:193:21: sparse: sparse: incorrect type in assignment (different base types) @@ expected int [assigned] err @@ got restricted snd_ctl_elem_type_t [usertype] type @@ sound/core/control_compat.c:193:21: sparse: expected int [assigned] err sound/core/control_compat.c:193:21: sparse: got restricted snd_ctl_elem_type_t [usertype] type sound/core/control_compat.c:203:14: sparse: sparse: restricted snd_ctl_elem_type_t degrades to integer sound/core/control_compat.c:205:14: sparse: sparse: restricted snd_ctl_elem_type_t degrades to integer sound/core/control_compat.c:207:14: sparse: sparse: restricted snd_ctl_elem_type_t degrades to integer sound/core/control_compat.c:209:14: sparse: sparse: restricted snd_ctl_elem_type_t degrades to integer sound/core/control_compat.c:237:21: sparse: sparse: restricted snd_ctl_elem_type_t degrades to integer sound/core/control_compat.c:238:21: sparse: sparse: restricted snd_ctl_elem_type_t degrades to integer sound/core/control_compat.c:270:21: sparse: sparse: restricted snd_ctl_elem_type_t degrades to integer sound/core/control_compat.c:271:21: 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://github.com/intel/lkp-tests/wiki