From mboxrd@z Thu Jan 1 00:00:00 1970 Content-Type: multipart/mixed; boundary="===============6819247310247372314==" MIME-Version: 1.0 From: kernel test robot Subject: sound/soc/codecs/max98373-sdw.c:789:26: warning: Assigned value is garbage or undefined [clang-analyzer-core.uninitialized.Assign] Date: Wed, 01 Dec 2021 22:05:28 +0800 Message-ID: <202112012111.HwiCDMP2-lkp@intel.com> List-Id: To: kbuild@lists.01.org --===============6819247310247372314== Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable CC: llvm(a)lists.linux.dev CC: kbuild-all(a)lists.01.org CC: linux-kernel(a)vger.kernel.org TO: Bard Liao CC: Mark Brown tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git = master head: 58e1100fdc5990b0cc0d4beaf2562a92e621ac7d commit: 349dd23931d1943b1083182e35715eba8b150fe1 ASoC: max98373: don't acce= ss volatile registers in bias level off date: 12 months ago :::::: branch date: 17 hours ago :::::: commit date: 12 months ago config: riscv-randconfig-c006-20211118 (https://download.01.org/0day-ci/arc= hive/20211201/202112012111.HwiCDMP2-lkp(a)intel.com/config) compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project c46bec= f500df2a7fb4b4fce16178a036c344315a) reproduce (this is a W=3D1 build): wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/= make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # install riscv cross compiling tool for clang build # apt-get install binutils-riscv64-linux-gnu # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.gi= t/commit/?id=3D349dd23931d1943b1083182e35715eba8b150fe1 git remote add linus https://git.kernel.org/pub/scm/linux/kernel/gi= t/torvalds/linux.git git fetch --no-tags linus master git checkout 349dd23931d1943b1083182e35715eba8b150fe1 # save the config file to linux build tree COMPILER_INSTALL_PATH=3D$HOME/0day COMPILER=3Dclang make.cross ARCH= =3Driscv clang-analyzer = If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot clang-analyzer warnings: (new ones prefixed by >>) Use -header-filter=3D.* to display errors from all non-system headers. U= se -system-headers to display errors from system headers as well. 6 warnings generated. Suppressed 6 warnings (6 in non-user code). Use -header-filter=3D.* to display errors from all non-system headers. U= se -system-headers to display errors from system headers as well. 6 warnings generated. Suppressed 6 warnings (6 in non-user code). Use -header-filter=3D.* to display errors from all non-system headers. U= se -system-headers to display errors from system headers as well. 6 warnings generated. Suppressed 6 warnings (6 in non-user code). Use -header-filter=3D.* to display errors from all non-system headers. U= se -system-headers to display errors from system headers as well. 7 warnings generated. Suppressed 7 warnings (7 in non-user code). Use -header-filter=3D.* to display errors from all non-system headers. U= se -system-headers to display errors from system headers as well. 7 warnings generated. Suppressed 7 warnings (7 in non-user code). Use -header-filter=3D.* to display errors from all non-system headers. U= se -system-headers to display errors from system headers as well. 6 warnings generated. Suppressed 6 warnings (6 in non-user code). Use -header-filter=3D.* to display errors from all non-system headers. U= se -system-headers to display errors from system headers as well. 5 warnings generated. Suppressed 5 warnings (5 in non-user code). Use -header-filter=3D.* to display errors from all non-system headers. U= se -system-headers to display errors from system headers as well. 6 warnings generated. Suppressed 6 warnings (6 in non-user code). Use -header-filter=3D.* to display errors from all non-system headers. U= se -system-headers to display errors from system headers as well. 6 warnings generated. Suppressed 6 warnings (6 in non-user code). Use -header-filter=3D.* to display errors from all non-system headers. U= se -system-headers to display errors from system headers as well. 6 warnings generated. Suppressed 6 warnings (6 in non-user code). Use -header-filter=3D.* to display errors from all non-system headers. U= se -system-headers to display errors from system headers as well. 7 warnings generated. Suppressed 7 warnings (7 in non-user code). Use -header-filter=3D.* to display errors from all non-system headers. U= se -system-headers to display errors from system headers as well. 2 warnings generated. 4 warnings generated. Suppressed 4 warnings (4 in non-user code). Use -header-filter=3D.* to display errors from all non-system headers. U= se -system-headers to display errors from system headers as well. 2 warnings generated. Suppressed 2 warnings (2 in non-user code). Use -header-filter=3D.* to display errors from all non-system headers. U= se -system-headers to display errors from system headers as well. 12 warnings generated. lib/zstd/decompress.c:1557:4: warning: Value stored to 'remainingSize' i= s never read [clang-analyzer-deadcode.DeadStores] remainingSize -=3D 4; ^ ~ lib/zstd/decompress.c:1557:4: note: Value stored to 'remainingSize' is n= ever read remainingSize -=3D 4; ^ ~ Suppressed 11 warnings (6 in non-user code, 5 with check filters). Use -header-filter=3D.* to display errors from all non-system headers. U= se -system-headers to display errors from system headers as well. 2 warnings generated. 4 warnings generated. Suppressed 4 warnings (4 in non-user code). Use -header-filter=3D.* to display errors from all non-system headers. U= se -system-headers to display errors from system headers as well. 6 warnings generated. Suppressed 6 warnings (6 in non-user code). Use -header-filter=3D.* to display errors from all non-system headers. U= se -system-headers to display errors from system headers as well. 6 warnings generated. Suppressed 6 warnings (6 in non-user code). Use -header-filter=3D.* to display errors from all non-system headers. U= se -system-headers to display errors from system headers as well. 6 warnings generated. fs/hpfs/ea.c:260:3: warning: Call to function 'strcpy' is insecure as it= does not provide bounding of the memory buffer. Replace unbounded copy fun= ctions with analogous functions that support length arguments such as 'strl= cpy'. CWE-119 [clang-analyzer-security.insecureAPI.strcpy] strcpy(ea->name, key); ^~~~~~ fs/hpfs/ea.c:260:3: note: Call to function 'strcpy' is insecure as it do= es not provide bounding of the memory buffer. Replace unbounded copy functi= ons with analogous functions that support length arguments such as 'strlcpy= '. CWE-119 strcpy(ea->name, key); ^~~~~~ Suppressed 5 warnings (5 in non-user code). Use -header-filter=3D.* to display errors from all non-system headers. U= se -system-headers to display errors from system headers as well. 5 warnings generated. Suppressed 5 warnings (5 in non-user code). Use -header-filter=3D.* to display errors from all non-system headers. U= se -system-headers to display errors from system headers as well. 5 warnings generated. Suppressed 5 warnings (5 in non-user code). Use -header-filter=3D.* to display errors from all non-system headers. U= se -system-headers to display errors from system headers as well. 7 warnings generated. Suppressed 7 warnings (7 in non-user code). Use -header-filter=3D.* to display errors from all non-system headers. U= se -system-headers to display errors from system headers as well. 18 warnings generated. kernel/sched/core.c:4243:16: warning: Value stored to 'preempt_disable_i= p' during its initialization is never read [clang-analyzer-deadcode.DeadSto= res] unsigned long preempt_disable_ip =3D get_preempt_disable_ip(curr= ent); ^~~~~~~~~~~~~~~~~~ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~= ~~ kernel/sched/core.c:4243:16: note: Value stored to 'preempt_disable_ip' = during its initialization is never read unsigned long preempt_disable_ip =3D get_preempt_disable_ip(curr= ent); ^~~~~~~~~~~~~~~~~~ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~= ~~ kernel/sched/core.c:7096:3: warning: Value stored to 'ptr' is never read= [clang-analyzer-deadcode.DeadStores] ptr +=3D nr_cpu_ids * sizeof(void **); ^ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~ kernel/sched/core.c:7096:3: note: Value stored to 'ptr' is never read ptr +=3D nr_cpu_ids * sizeof(void **); ^ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Suppressed 16 warnings (14 in non-user code, 2 with check filters). Use -header-filter=3D.* to display errors from all non-system headers. U= se -system-headers to display errors from system headers as well. 13 warnings generated. Suppressed 13 warnings (13 in non-user code). Use -header-filter=3D.* to display errors from all non-system headers. U= se -system-headers to display errors from system headers as well. 13 warnings generated. Suppressed 13 warnings (13 in non-user code). Use -header-filter=3D.* to display errors from all non-system headers. U= se -system-headers to display errors from system headers as well. 7 warnings generated. >> sound/soc/codecs/max98373-sdw.c:789:26: warning: Assigned value is garba= ge or undefined [clang-analyzer-core.uninitialized.Assign] max98373->cache[i].reg =3D max98373_sdw_cache_reg[i]; ^ sound/soc/codecs/max98373-sdw.c:854:2: note: Taking false branch if (IS_ERR(regmap)) ^ sound/soc/codecs/max98373-sdw.c:857:9: note: Calling 'max98373_init' return max98373_init(slave, regmap); ^~~~~~~~~~~~~~~~~~~~~~~~~~~~ sound/soc/codecs/max98373-sdw.c:776:6: note: Assuming 'max98373' is non-= null if (!max98373) ^~~~~~~~~ sound/soc/codecs/max98373-sdw.c:776:2: note: Taking false branch if (!max98373) ^ sound/soc/codecs/max98373-sdw.c:788:14: note: Assuming 'i' is < field 'c= ache_num' for (i =3D 0; i < max98373->cache_num; i++) ^~~~~~~~~~~~~~~~~~~~~~~ sound/soc/codecs/max98373-sdw.c:788:2: note: Loop condition is true. En= tering loop body for (i =3D 0; i < max98373->cache_num; i++) ^ sound/soc/codecs/max98373-sdw.c:788:14: note: Assuming 'i' is < field 'c= ache_num' for (i =3D 0; i < max98373->cache_num; i++) ^~~~~~~~~~~~~~~~~~~~~~~ sound/soc/codecs/max98373-sdw.c:788:2: note: Loop condition is true. En= tering loop body for (i =3D 0; i < max98373->cache_num; i++) ^ sound/soc/codecs/max98373-sdw.c:788:14: note: Assuming 'i' is < field 'c= ache_num' for (i =3D 0; i < max98373->cache_num; i++) ^~~~~~~~~~~~~~~~~~~~~~~ sound/soc/codecs/max98373-sdw.c:788:2: note: Loop condition is true. En= tering loop body for (i =3D 0; i < max98373->cache_num; i++) ^ sound/soc/codecs/max98373-sdw.c:788:39: note: The value 3 is assigned to= 'i' for (i =3D 0; i < max98373->cache_num; i++) ^~~ sound/soc/codecs/max98373-sdw.c:788:14: note: Assuming 'i' is < field 'c= ache_num' for (i =3D 0; i < max98373->cache_num; i++) ^~~~~~~~~~~~~~~~~~~~~~~ sound/soc/codecs/max98373-sdw.c:788:2: note: Loop condition is true. En= tering loop body for (i =3D 0; i < max98373->cache_num; i++) ^ sound/soc/codecs/max98373-sdw.c:789:26: note: Assigned value is garbage = or undefined max98373->cache[i].reg =3D max98373_sdw_cache_reg[i]; ^ ~~~~~~~~~~~~~~~~~~~~~~~~~ Suppressed 6 warnings (6 in non-user code). Use -header-filter=3D.* to display errors from all non-system headers. U= se -system-headers to display errors from system headers as well. 7 warnings generated. Suppressed 7 warnings (7 in non-user code). Use -header-filter=3D.* to display errors from all non-system headers. U= se -system-headers to display errors from system headers as well. 7 warnings generated. Suppressed 7 warnings (7 in non-user code). Use -header-filter=3D.* to display errors from all non-system headers. U= se -system-headers to display errors from system headers as well. 11 warnings generated. drivers/fsi/fsi-core.c:719:4: warning: Value stored to 'rc' is never rea= d [clang-analyzer-deadcode.DeadStores] rc =3D -EFAULT; ^ ~~~~~~~ drivers/fsi/fsi-core.c:719:4: note: Value stored to 'rc' is never read rc =3D -EFAULT; ^ ~~~~~~~ drivers/fsi/fsi-core.c:724:2: warning: Value stored to 'rc' is never rea= d [clang-analyzer-deadcode.DeadStores] rc =3D count; ^ ~~~~~ drivers/fsi/fsi-core.c:724:2: note: Value stored to 'rc' is never read rc =3D count; ^ ~~~~~ drivers/fsi/fsi-core.c:753:4: warning: Value stored to 'rc' is never rea= d [clang-analyzer-deadcode.DeadStores] rc =3D -EFAULT; ^ ~~~~~~~ drivers/fsi/fsi-core.c:753:4: note: Value stored to 'rc' is never read rc =3D -EFAULT; ^ ~~~~~~~ drivers/fsi/fsi-core.c:761:2: warning: Value stored to 'rc' is never rea= d [clang-analyzer-deadcode.DeadStores] rc =3D count; ^ ~~~~~ drivers/fsi/fsi-core.c:761:2: note: Value stored to 'rc' is never read rc =3D count; ^ ~~~~~ Suppressed 7 warnings (7 in non-user code). Use -header-filter=3D.* to display errors from all non-system headers. U= se -system-headers to display errors from system headers as well. 7 warnings generated. Suppressed 7 warnings (7 in non-user code). Use -header-filter=3D.* to display errors from all non-system headers. U= se -system-headers to display errors from system headers as well. 6 warnings generated. Suppressed 6 warnings (6 in non-user code). Use -header-filter=3D.* to display errors from all non-system headers. U= se -system-headers to display errors from system headers as well. 6 warnings generated. Suppressed 6 warnings (6 in non-user code). Use -header-filter=3D.* to display errors from all non-system headers. U= se -system-headers to display errors from system headers as well. 5 warnings generated. Suppressed 5 warnings (5 in non-user code). Use -header-filter=3D.* to display errors from all non-system headers. U= se -system-headers to display errors from system headers as well. 6 warnings generated. Suppressed 6 warnings (6 in non-user code). Use -header-filter=3D.* to display errors from all non-system headers. U= se -system-headers to display errors from system headers as well. 6 warnings generated. Suppressed 6 warnings (6 in non-user code). Use -header-filter=3D.* to display errors from all non-system headers. U= se -system-headers to display errors from system headers as well. 5 warnings generated. Suppressed 5 warnings (5 in non-user code). Use -header-filter=3D.* to display errors from all non-system headers. U= se -system-headers to display errors from system headers as well. -- ^~~ Suppressed 5 warnings (5 in non-user code). Use -header-filter=3D.* to display errors from all non-system headers. U= se -system-headers to display errors from system headers as well. 6 warnings generated. Suppressed 6 warnings (6 in non-user code). Use -header-filter=3D.* to display errors from all non-system headers. U= se -system-headers to display errors from system headers as well. 7 warnings generated. Suppressed 7 warnings (7 in non-user code). Use -header-filter=3D.* to display errors from all non-system headers. U= se -system-headers to display errors from system headers as well. 7 warnings generated. Suppressed 7 warnings (7 in non-user code). Use -header-filter=3D.* to display errors from all non-system headers. U= se -system-headers to display errors from system headers as well. 8 warnings generated. Suppressed 8 warnings (8 in non-user code). Use -header-filter=3D.* to display errors from all non-system headers. U= se -system-headers to display errors from system headers as well. 7 warnings generated. Suppressed 7 warnings (7 in non-user code). Use -header-filter=3D.* to display errors from all non-system headers. U= se -system-headers to display errors from system headers as well. 7 warnings generated. Suppressed 7 warnings (7 in non-user code). Use -header-filter=3D.* to display errors from all non-system headers. U= se -system-headers to display errors from system headers as well. 6 warnings generated. Suppressed 6 warnings (6 in non-user code). Use -header-filter=3D.* to display errors from all non-system headers. U= se -system-headers to display errors from system headers as well. 8 warnings generated. Suppressed 8 warnings (8 in non-user code). Use -header-filter=3D.* to display errors from all non-system headers. U= se -system-headers to display errors from system headers as well. 7 warnings generated. Suppressed 7 warnings (7 in non-user code). Use -header-filter=3D.* to display errors from all non-system headers. U= se -system-headers to display errors from system headers as well. 7 warnings generated. Suppressed 7 warnings (7 in non-user code). Use -header-filter=3D.* to display errors from all non-system headers. U= se -system-headers to display errors from system headers as well. 7 warnings generated. Suppressed 7 warnings (7 in non-user code). Use -header-filter=3D.* to display errors from all non-system headers. U= se -system-headers to display errors from system headers as well. 7 warnings generated. Suppressed 7 warnings (7 in non-user code). Use -header-filter=3D.* to display errors from all non-system headers. U= se -system-headers to display errors from system headers as well. 7 warnings generated. Suppressed 7 warnings (7 in non-user code). Use -header-filter=3D.* to display errors from all non-system headers. U= se -system-headers to display errors from system headers as well. 7 warnings generated. Suppressed 7 warnings (7 in non-user code). Use -header-filter=3D.* to display errors from all non-system headers. U= se -system-headers to display errors from system headers as well. 8 warnings generated. drivers/hwmon/adm9240.c:157:2: warning: Value stored to 'old' is never r= ead [clang-analyzer-deadcode.DeadStores] old =3D (reg >> shift) & 3; ^ ~~~~~~~~~~~~~~~~~~ drivers/hwmon/adm9240.c:157:2: note: Value stored to 'old' is never read old =3D (reg >> shift) & 3; ^ ~~~~~~~~~~~~~~~~~~ drivers/hwmon/adm9240.c:510:21: warning: Value stored to 'client' during= its initialization is never read [clang-analyzer-deadcode.DeadStores] struct i2c_client *client =3D data->client; ^~~~~~ ~~~~~~~~~~~~ drivers/hwmon/adm9240.c:510:21: note: Value stored to 'client' during it= s initialization is never read struct i2c_client *client =3D data->client; ^~~~~~ ~~~~~~~~~~~~ Suppressed 6 warnings (6 in non-user code). Use -header-filter=3D.* to display errors from all non-system headers. U= se -system-headers to display errors from system headers as well. 8 warnings generated. Suppressed 8 warnings (7 in non-user code, 1 with check filters). Use -header-filter=3D.* to display errors from all non-system headers. U= se -system-headers to display errors from system headers as well. 6 warnings generated. Suppressed 6 warnings (6 in non-user code). Use -header-filter=3D.* to display errors from all non-system headers. U= se -system-headers to display errors from system headers as well. 8 warnings generated. Suppressed 8 warnings (8 in non-user code). Use -header-filter=3D.* to display errors from all non-system headers. U= se -system-headers to display errors from system headers as well. 6 warnings generated. Suppressed 6 warnings (6 in non-user code). Use -header-filter=3D.* to display errors from all non-system headers. U= se -system-headers to display errors from system headers as well. 7 warnings generated. Suppressed 7 warnings (7 in non-user code). Use -header-filter=3D.* to display errors from all non-system headers. U= se -system-headers to display errors from system headers as well. 6 warnings generated. Suppressed 6 warnings (6 in non-user code). Use -header-filter=3D.* to display errors from all non-system headers. U= se -system-headers to display errors from system headers as well. 7 warnings generated. Suppressed 7 warnings (7 in non-user code). Use -header-filter=3D.* to display errors from all non-system headers. U= se -system-headers to display errors from system headers as well. 6 warnings generated. Suppressed 6 warnings (6 in non-user code). Use -header-filter=3D.* to display errors from all non-system headers. U= se -system-headers to display errors from system headers as well. 8 warnings generated. Suppressed 8 warnings (8 in non-user code). Use -header-filter=3D.* to display errors from all non-system headers. U= se -system-headers to display errors from system headers as well. 7 warnings generated. Suppressed 7 warnings (7 in non-user code). Use -header-filter=3D.* to display errors from all non-system headers. U= se -system-headers to display errors from system headers as well. 6 warnings generated. Suppressed 6 warnings (6 in non-user code). Use -header-filter=3D.* to display errors from all non-system headers. U= se -system-headers to display errors from system headers as well. 7 warnings generated. Suppressed 7 warnings (7 in non-user code). Use -header-filter=3D.* to display errors from all non-system headers. U= se -system-headers to display errors from system headers as well. 6 warnings generated. Suppressed 6 warnings (6 in non-user code). Use -header-filter=3D.* to display errors from all non-system headers. U= se -system-headers to display errors from system headers as well. 7 warnings generated. >> sound/soc/codecs/max98373-sdw.c:789:26: warning: Assigned value is garba= ge or undefined [clang-analyzer-core.uninitialized.Assign] max98373->cache[i].reg =3D max98373_sdw_cache_reg[i]; ^ sound/soc/codecs/max98373-sdw.c:854:2: note: Taking false branch if (IS_ERR(regmap)) ^ sound/soc/codecs/max98373-sdw.c:857:9: note: Calling 'max98373_init' return max98373_init(slave, regmap); ^~~~~~~~~~~~~~~~~~~~~~~~~~~~ sound/soc/codecs/max98373-sdw.c:776:6: note: Assuming 'max98373' is non-= null if (!max98373) ^~~~~~~~~ sound/soc/codecs/max98373-sdw.c:776:2: note: Taking false branch if (!max98373) ^ sound/soc/codecs/max98373-sdw.c:788:14: note: Assuming 'i' is < field 'c= ache_num' for (i =3D 0; i < max98373->cache_num; i++) ^~~~~~~~~~~~~~~~~~~~~~~ sound/soc/codecs/max98373-sdw.c:788:2: note: Loop condition is true. En= tering loop body for (i =3D 0; i < max98373->cache_num; i++) ^ sound/soc/codecs/max98373-sdw.c:788:14: note: Assuming 'i' is < field 'c= ache_num' for (i =3D 0; i < max98373->cache_num; i++) ^~~~~~~~~~~~~~~~~~~~~~~ sound/soc/codecs/max98373-sdw.c:788:2: note: Loop condition is true. En= tering loop body for (i =3D 0; i < max98373->cache_num; i++) ^ sound/soc/codecs/max98373-sdw.c:788:14: note: Assuming 'i' is < field 'c= ache_num' for (i =3D 0; i < max98373->cache_num; i++) ^~~~~~~~~~~~~~~~~~~~~~~ sound/soc/codecs/max98373-sdw.c:788:2: note: Loop condition is true. En= tering loop body for (i =3D 0; i < max98373->cache_num; i++) ^ sound/soc/codecs/max98373-sdw.c:788:39: note: The value 3 is assigned to= 'i' for (i =3D 0; i < max98373->cache_num; i++) ^~~ sound/soc/codecs/max98373-sdw.c:788:14: note: Assuming 'i' is < field 'c= ache_num' for (i =3D 0; i < max98373->cache_num; i++) ^~~~~~~~~~~~~~~~~~~~~~~ sound/soc/codecs/max98373-sdw.c:788:2: note: Loop condition is true. En= tering loop body for (i =3D 0; i < max98373->cache_num; i++) ^ sound/soc/codecs/max98373-sdw.c:789:26: note: Assigned value is garbage = or undefined max98373->cache[i].reg =3D max98373_sdw_cache_reg[i]; ^ ~~~~~~~~~~~~~~~~~~~~~~~~~ Suppressed 6 warnings (6 in non-user code). Use -header-filter=3D.* to display errors from all non-system headers. U= se -system-headers to display errors from system headers as well. 7 warnings generated. Suppressed 7 warnings (7 in non-user code). Use -header-filter=3D.* to display errors from all non-system headers. U= se -system-headers to display errors from system headers as well. 7 warnings generated. Suppressed 7 warnings (7 in non-user code). Use -header-filter=3D.* to display errors from all non-system headers. U= se -system-headers to display errors from system headers as well. 7 warnings generated. Suppressed 7 warnings (7 in non-user code). Use -header-filter=3D.* to display errors from all non-system headers. U= se -system-headers to display errors from system headers as well. 7 warnings generated. Suppressed 7 warnings (7 in non-user code). Use -header-filter=3D.* to display errors from all non-system headers. U= se -system-headers to display errors from system headers as well. 5 warnings generated. Suppressed 5 warnings (5 in non-user code). Use -header-filter=3D.* to display errors from all non-system headers. U= se -system-headers to display errors from system headers as well. 7 warnings generated. Suppressed 7 warnings (7 in non-user code). Use -header-filter=3D.* to display errors from all non-system headers. U= se -system-headers to display errors from system headers as well. 8 warnings generated. fs/hfsplus/bnode.c:328:4: warning: Value stored to 'tmp' is never read [= clang-analyzer-deadcode.DeadStores] tmp =3D hfs_bnode_read_u16(node, key_off); ^ fs/hfsplus/bnode.c:328:4: note: Value stored to 'tmp' is never read Suppressed 7 warnings (7 in non-user code). Use -header-filter=3D.* to display errors from all non-system headers. U= se -system-headers to display errors from system headers as well. 5 warnings generated. Suppressed 5 warnings (5 in non-user code). Use -header-filter=3D.* to display errors from all non-system headers. U= se -system-headers to display errors from system headers as well. 8 warnings generated. fs/hfsplus/bfind.c:73:3: warning: Value stored to 'cur_cnid' is never re= ad [clang-analyzer-deadcode.DeadStores] cur_cnid =3D 0; /* used-uninitialized warning */ ^ ~ fs/hfsplus/bfind.c:73:3: note: Value stored to 'cur_cnid' is never read cur_cnid =3D 0; /* used-uninitialized warning */ ^ ~ fs/hfsplus/bfind.c:74:3: warning: Value stored to 'search_cnid' is never= read [clang-analyzer-deadcode.DeadStores] search_cnid =3D 0; ^ ~ fs/hfsplus/bfind.c:74:3: note: Value stored to 'search_cnid' is never re= ad search_cnid =3D 0; ^ ~ fs/hfsplus/bfind.c:180:2: warning: Value stored to 'res' is never read [= clang-analyzer-deadcode.DeadStores] res =3D 0; ^ ~ fs/hfsplus/bfind.c:180:2: note: Value stored to 'res' is never read res =3D 0; ^ ~ Suppressed 5 warnings (5 in non-user code). Use -header-filter=3D.* to display errors from all non-system headers. U= se -system-headers to display errors from system headers as well. 6 warnings generated. Suppressed 6 warnings (6 in non-user code). Use -header-filter=3D.* to display errors from all non-system headers. U= se -system-headers to display errors from system headers as well. 6 warnings generated. Suppressed 6 warnings (6 in non-user code). vim +789 sound/soc/codecs/max98373-sdw.c 56a5b7910e965c Ryan Lee 2020-07-08 766 = 56a5b7910e965c Ryan Lee 2020-07-08 767 static int max98373_init(struct s= dw_slave *slave, struct regmap *regmap) 56a5b7910e965c Ryan Lee 2020-07-08 768 { 56a5b7910e965c Ryan Lee 2020-07-08 769 struct max98373_priv *max98373; 56a5b7910e965c Ryan Lee 2020-07-08 770 int ret; 349dd23931d194 Bard Liao 2020-12-17 771 int i; 56a5b7910e965c Ryan Lee 2020-07-08 772 struct device *dev =3D &slave->d= ev; 56a5b7910e965c Ryan Lee 2020-07-08 773 = 56a5b7910e965c Ryan Lee 2020-07-08 774 /* Allocate and assign private = driver data structure */ 56a5b7910e965c Ryan Lee 2020-07-08 775 max98373 =3D devm_kzalloc(dev, s= izeof(*max98373), GFP_KERNEL); 56a5b7910e965c Ryan Lee 2020-07-08 776 if (!max98373) 56a5b7910e965c Ryan Lee 2020-07-08 777 return -ENOMEM; 56a5b7910e965c Ryan Lee 2020-07-08 778 = 56a5b7910e965c Ryan Lee 2020-07-08 779 dev_set_drvdata(dev, max98373); 56a5b7910e965c Ryan Lee 2020-07-08 780 max98373->regmap =3D regmap; 56a5b7910e965c Ryan Lee 2020-07-08 781 max98373->slave =3D slave; 56a5b7910e965c Ryan Lee 2020-07-08 782 = 349dd23931d194 Bard Liao 2020-12-17 783 max98373->cache_num =3D ARRAY_SI= ZE(max98373_sdw_cache_reg); 349dd23931d194 Bard Liao 2020-12-17 784 max98373->cache =3D devm_kcalloc= (dev, max98373->cache_num, 349dd23931d194 Bard Liao 2020-12-17 785 sizeof(*max98373->cach= e), 349dd23931d194 Bard Liao 2020-12-17 786 GFP_KERNEL); 349dd23931d194 Bard Liao 2020-12-17 787 = 349dd23931d194 Bard Liao 2020-12-17 788 for (i =3D 0; i < max98373->cach= e_num; i++) 349dd23931d194 Bard Liao 2020-12-17 @789 max98373->cache[i].reg =3D max9= 8373_sdw_cache_reg[i]; 349dd23931d194 Bard Liao 2020-12-17 790 = 56a5b7910e965c Ryan Lee 2020-07-08 791 /* Read voltage and slot configu= ration */ 56a5b7910e965c Ryan Lee 2020-07-08 792 max98373_slot_config(dev, max983= 73); 56a5b7910e965c Ryan Lee 2020-07-08 793 = 56a5b7910e965c Ryan Lee 2020-07-08 794 max98373->hw_init =3D false; 56a5b7910e965c Ryan Lee 2020-07-08 795 max98373->pm_init_once =3D false; 56a5b7910e965c Ryan Lee 2020-07-08 796 = 56a5b7910e965c Ryan Lee 2020-07-08 797 /* codec registration */ 56a5b7910e965c Ryan Lee 2020-07-08 798 ret =3D devm_snd_soc_register_co= mponent(dev, &soc_codec_dev_max98373_sdw, 56a5b7910e965c Ryan Lee 2020-07-08 799 max98373_sdw_dai, 56a5b7910e965c Ryan Lee 2020-07-08 800 ARRAY_SIZE(max98373_sd= w_dai)); 56a5b7910e965c Ryan Lee 2020-07-08 801 if (ret < 0) 56a5b7910e965c Ryan Lee 2020-07-08 802 dev_err(dev, "Failed to registe= r codec: %d\n", ret); 56a5b7910e965c Ryan Lee 2020-07-08 803 = 56a5b7910e965c Ryan Lee 2020-07-08 804 return ret; 56a5b7910e965c Ryan Lee 2020-07-08 805 } 56a5b7910e965c Ryan Lee 2020-07-08 806 = --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org --===============6819247310247372314==--