CC: [email protected] CC: [email protected] CC: [email protected] TO: Mario Limonciello <[email protected]> CC: Hans de Goede <[email protected]>
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: cd8c917a56f20f48748dd43d9ae3caff51d5b987 commit: f1e1ea516721d1ea0b21327ff9e6cb2c2bb86e28 platform/x86: Move all dell drivers to their own subdirectory date: 10 months ago :::::: branch date: 23 hours ago :::::: commit date: 10 months ago config: x86_64-randconfig-c007-20211202 (https://download.01.org/0day-ci/archive/20211208/[email protected]/config) compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project 4b553297ef3ee4dc2119d5429adf3072e90fac38) reproduce (this is a W=1 build): wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=f1e1ea516721d1ea0b21327ff9e6cb2c2bb86e28 git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git git fetch --no-tags linus master git checkout f1e1ea516721d1ea0b21327ff9e6cb2c2bb86e28 # save the config file to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=x86_64 clang-analyzer If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <[email protected]> clang-analyzer warnings: (new ones prefixed by >>) ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ fs/stat.c:207:9: note: Calling 'vfs_statx' return vfs_statx(dfd, filename, flags | AT_NO_AUTOMOUNT, ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ fs/stat.c:173:2: note: Taking false branch if (flags & ~(AT_SYMLINK_NOFOLLOW | AT_NO_AUTOMOUNT | AT_EMPTY_PATH | ^ fs/stat.c:177:2: note: Taking false branch if (!(flags & AT_SYMLINK_NOFOLLOW)) ^ fs/stat.c:179:2: note: Taking false branch if (!(flags & AT_NO_AUTOMOUNT)) ^ fs/stat.c:181:2: note: Taking false branch if (flags & AT_EMPTY_PATH) ^ fs/stat.c:186:6: note: Assuming 'error' is 0 if (error) ^~~~~ fs/stat.c:186:2: note: Taking false branch if (error) ^ fs/stat.c:189:10: note: Calling 'vfs_getattr' error = vfs_getattr(&path, stat, request_mask, flags); ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ fs/stat.c:122:6: note: Assuming 'retval' is not equal to 0 if (retval) ^~~~~~ fs/stat.c:122:2: note: Taking true branch if (retval) ^ fs/stat.c:123:3: note: Returning without writing to '->result_mask' return retval; ^ fs/stat.c:189:10: note: Returning from 'vfs_getattr' error = vfs_getattr(&path, stat, request_mask, flags); ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ fs/stat.c:191:20: note: The left expression of the compound assignment is an uninitialized value. The computed value will also be garbage stat->result_mask |= STATX_MNT_ID; ~~~~~~~~~~~~~~~~~ ^ Suppressed 7 warnings (7 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 9 warnings generated. drivers/char/tpm/tpm_tis_core.c:455:2: warning: Value stored to 'rc' is never read [clang-analyzer-deadcode.DeadStores] rc = tpm_tis_write32(priv, TPM_INT_ENABLE(priv->locality), intmask); ^ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/char/tpm/tpm_tis_core.c:455:2: note: Value stored to 'rc' is never read rc = tpm_tis_write32(priv, TPM_INT_ENABLE(priv->locality), intmask); ^ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Suppressed 8 warnings (7 in non-user code, 1 with check filters). Use -header-filter=.* to display errors from all non-system headers. Use -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=.* to display errors from all non-system headers. Use -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=.* to display errors from all non-system headers. Use -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=.* to display errors from all non-system headers. Use -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=.* to display errors from all non-system headers. Use -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=.* to display errors from all non-system headers. Use -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=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 9 warnings generated. drivers/char/tpm/tpm_infineon.c:172:3: warning: Value stored to 'status' is never read [clang-analyzer-deadcode.DeadStores] status = tpm_data_in(RDFIFO); ^ ~~~~~~~~~~~~~~~~~~~ drivers/char/tpm/tpm_infineon.c:172:3: note: Value stored to 'status' is never read status = tpm_data_in(RDFIFO); ^ ~~~~~~~~~~~~~~~~~~~ Suppressed 8 warnings (7 in non-user code, 1 with check filters). Use -header-filter=.* to display errors from all non-system headers. Use -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=.* to display errors from all non-system headers. Use -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=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 6 warnings generated. Suppressed 6 warnings (6 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 6 warnings generated. Suppressed 6 warnings (6 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 7 warnings generated. Suppressed 7 warnings (6 in non-user code, 1 with check filters). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 6 warnings generated. Suppressed 6 warnings (6 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 6 warnings generated. Suppressed 6 warnings (6 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 10 warnings generated. >> drivers/platform/x86/dell/dell-wmi-sysman/enum-attributes.c:158:3: warning: >> Call to function 'strcat' is insecure as it does not provide bounding of the >> memory buffer. Replace unbounded copy functions with analogous functions >> that support length arguments such as 'strlcat'. CWE-119 >> [clang-analyzer-security.insecureAPI.strcpy] strcat(wmi_priv.enumeration_data[instance_id].dell_value_modifier, ^~~~~~ drivers/platform/x86/dell/dell-wmi-sysman/enum-attributes.c:158:3: note: Call to function 'strcat' is insecure as it does not provide bounding of the memory buffer. Replace unbounded copy functions with analogous functions that support length arguments such as 'strlcat'. CWE-119 strcat(wmi_priv.enumeration_data[instance_id].dell_value_modifier, ^~~~~~ drivers/platform/x86/dell/dell-wmi-sysman/enum-attributes.c:160:3: warning: Call to function 'strcat' is insecure as it does not provide bounding of the memory buffer. Replace unbounded copy functions with analogous functions that support length arguments such as 'strlcat'. CWE-119 [clang-analyzer-security.insecureAPI.strcpy] strcat(wmi_priv.enumeration_data[instance_id].dell_value_modifier, ";"); ^~~~~~ drivers/platform/x86/dell/dell-wmi-sysman/enum-attributes.c:160:3: note: Call to function 'strcat' is insecure as it does not provide bounding of the memory buffer. Replace unbounded copy functions with analogous functions that support length arguments such as 'strlcat'. CWE-119 strcat(wmi_priv.enumeration_data[instance_id].dell_value_modifier, ";"); ^~~~~~ drivers/platform/x86/dell/dell-wmi-sysman/enum-attributes.c:166:3: warning: Call to function 'strcat' is insecure as it does not provide bounding of the memory buffer. Replace unbounded copy functions with analogous functions that support length arguments such as 'strlcat'. CWE-119 [clang-analyzer-security.insecureAPI.strcpy] strcat(wmi_priv.enumeration_data[instance_id].possible_values, ^~~~~~ drivers/platform/x86/dell/dell-wmi-sysman/enum-attributes.c:166:3: note: Call to function 'strcat' is insecure as it does not provide bounding of the memory buffer. Replace unbounded copy functions with analogous functions that support length arguments such as 'strlcat'. CWE-119 strcat(wmi_priv.enumeration_data[instance_id].possible_values, ^~~~~~ drivers/platform/x86/dell/dell-wmi-sysman/enum-attributes.c:168:3: warning: Call to function 'strcat' is insecure as it does not provide bounding of the memory buffer. Replace unbounded copy functions with analogous functions that support length arguments such as 'strlcat'. CWE-119 [clang-analyzer-security.insecureAPI.strcpy] strcat(wmi_priv.enumeration_data[instance_id].possible_values, ";"); ^~~~~~ drivers/platform/x86/dell/dell-wmi-sysman/enum-attributes.c:168:3: note: Call to function 'strcat' is insecure as it does not provide bounding of the memory buffer. Replace unbounded copy functions with analogous functions that support length arguments such as 'strlcat'. CWE-119 strcat(wmi_priv.enumeration_data[instance_id].possible_values, ";"); ^~~~~~ Suppressed 6 warnings (6 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 6 warnings generated. Suppressed 6 warnings (6 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 12 warnings generated. Suppressed 12 warnings (12 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 12 warnings generated. Suppressed 12 warnings (12 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 12 warnings generated. Suppressed 12 warnings (12 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 12 warnings generated. Suppressed 12 warnings (12 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 12 warnings generated. Suppressed 12 warnings (12 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 12 warnings generated. Suppressed 12 warnings (12 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 12 warnings generated. Suppressed 12 warnings (12 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 6 warnings generated. Suppressed 6 warnings (6 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 6 warnings generated. Suppressed 6 warnings (6 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 7 warnings generated. drivers/w1/slaves/w1_ds28e17.c:723:2: warning: Call to function 'strcat' is insecure as it does not provide bounding of the memory buffer. Replace unbounded copy functions with analogous functions that support length arguments such as 'strlcat'. CWE-119 [clang-analyzer-security.insecureAPI.strcpy] strcat(data->adapter.name, sl->name); ^~~~~~ drivers/w1/slaves/w1_ds28e17.c:723:2: note: Call to function 'strcat' is insecure as it does not provide bounding of the memory buffer. Replace unbounded copy functions with analogous functions that support length arguments such as 'strlcat'. CWE-119 strcat(data->adapter.name, sl->name); ^~~~~~ Suppressed 6 warnings (6 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 6 warnings generated. Suppressed 6 warnings (6 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 7 warnings generated. Suppressed 7 warnings (7 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 6 warnings generated. Suppressed 6 warnings (6 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 6 warnings generated. Suppressed 6 warnings (6 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 6 warnings generated. Suppressed 6 warnings (6 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 6 warnings generated. Suppressed 6 warnings (6 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 12 warnings generated. Suppressed 12 warnings (12 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 14 warnings generated. include/linux/skbuff.h:2071:2: warning: Dereference of null pointer [clang-analyzer-core.NullDereference] WRITE_ONCE(next->prev, prev); ^ include/asm-generic/rwonce.h:61:2: note: expanded from macro 'WRITE_ONCE' __WRITE_ONCE(x, val); \ ^ include/asm-generic/rwonce.h:55:30: note: expanded from macro '__WRITE_ONCE' *(volatile typeof(x) *)&(x) = (val); \ ^ net/ipv6/ip6_output.c:1799:8: note: Calling '__skb_dequeue' skb = __skb_dequeue(queue); ^~~~~~~~~~~~~~~~~~~~ include/linux/skbuff.h:2086:6: note: Assuming 'skb' is non-null if (skb) -- Suppressed 6 warnings (6 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 6 warnings generated. Suppressed 6 warnings (6 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 6 warnings generated. Suppressed 6 warnings (6 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 6 warnings generated. Suppressed 6 warnings (6 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 6 warnings generated. Suppressed 6 warnings (6 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 6 warnings generated. Suppressed 6 warnings (6 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 6 warnings generated. Suppressed 6 warnings (6 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 11 warnings generated. Suppressed 11 warnings (10 in non-user code, 1 with check filters). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 8 warnings generated. Suppressed 8 warnings (8 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 6 warnings generated. Suppressed 6 warnings (6 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 6 warnings generated. Suppressed 6 warnings (6 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 6 warnings generated. Suppressed 6 warnings (6 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 7 warnings generated. drivers/media/tuners/r820t.c:1856:2: warning: Value stored to 'rc' is never read [clang-analyzer-deadcode.DeadStores] rc = r820t_section(priv, compare_iq); ^ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/media/tuners/r820t.c:1856:2: note: Value stored to 'rc' is never read rc = r820t_section(priv, compare_iq); ^ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Suppressed 6 warnings (6 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 6 warnings generated. Suppressed 6 warnings (6 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 6 warnings generated. Suppressed 6 warnings (6 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 6 warnings generated. Suppressed 6 warnings (6 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 7 warnings generated. Suppressed 7 warnings (7 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 7 warnings generated. Suppressed 7 warnings (7 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 7 warnings generated. Suppressed 7 warnings (7 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 13 warnings generated. Suppressed 13 warnings (13 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 13 warnings generated. Suppressed 13 warnings (13 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 13 warnings generated. Suppressed 13 warnings (13 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 13 warnings generated. Suppressed 13 warnings (13 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 13 warnings generated. Suppressed 13 warnings (13 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 13 warnings generated. Suppressed 13 warnings (13 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 6 warnings generated. Suppressed 6 warnings (6 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 6 warnings generated. Suppressed 6 warnings (6 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 7 warnings generated. drivers/staging/comedi/drivers/das08.c:181:2: warning: Value stored to 'range' is never read [clang-analyzer-deadcode.DeadStores] range = CR_RANGE(insn->chanspec); ^ drivers/staging/comedi/drivers/das08.c:181:2: note: Value stored to 'range' is never read Suppressed 6 warnings (6 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 6 warnings generated. Suppressed 6 warnings (6 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 8 warnings generated. Suppressed 8 warnings (8 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 7 warnings generated. >> drivers/platform/x86/dell/dell-laptop.c:1596:4: warning: Value stored to >> 'unit' is never read [clang-analyzer-deadcode.DeadStores] unit = KBD_TIMEOUT_SECONDS; ^ ~~~~~~~~~~~~~~~~~~~ drivers/platform/x86/dell/dell-laptop.c:1596:4: note: Value stored to 'unit' is never read unit = KBD_TIMEOUT_SECONDS; ^ ~~~~~~~~~~~~~~~~~~~ Suppressed 6 warnings (6 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 6 warnings generated. Suppressed 6 warnings (6 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 6 warnings generated. Suppressed 6 warnings (6 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 6 warnings generated. Suppressed 6 warnings (6 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 12 warnings generated. Suppressed 12 warnings (12 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 7 warnings generated. Suppressed 7 warnings (7 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 7 warnings generated. Suppressed 7 warnings (7 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 11 warnings generated. Suppressed 11 warnings (11 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 10 warnings generated. Suppressed 10 warnings (10 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 10 warnings generated. Suppressed 10 warnings (10 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 11 warnings generated. Suppressed 11 warnings (11 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 10 warnings generated. Suppressed 10 warnings (10 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 10 warnings generated. Suppressed 10 warnings (10 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 7 warnings generated. drivers/staging/comedi/drivers/das800.c:90:8: warning: Excessive padding in 'struct das800_board' (8 padding bytes, where 0 is optimal). Optimal fields order: name, ai_range, ai_speed, resolution, consider reordering the fields or adding explicit padding members [clang-analyzer-optin.performance.Padding] struct das800_board { ~~~~~~~^~~~~~~~~~~~~~ drivers/staging/comedi/drivers/das800.c:90:8: note: Excessive padding in 'struct das800_board' (8 padding bytes, where 0 is optimal). Optimal fields order: name, ai_range, ai_speed, resolution, consider reordering the fields or adding explicit padding members struct das800_board { ~~~~~~~^~~~~~~~~~~~~~ Suppressed 6 warnings (6 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 6 warnings generated. Suppressed 6 warnings (6 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 6 warnings generated. Suppressed 6 warnings (6 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 11 warnings generated. drivers/staging/comedi/drivers/dt2814.c:203:2: warning: Value stored to 'data' is never read [clang-analyzer-deadcode.DeadStores] data = (hi << 4) | (lo >> 4); ^ ~~~~~~~~~~~~~~~~~~~~~ drivers/staging/comedi/drivers/dt2814.c:203:2: note: Value stored to 'data' is never read data = (hi << 4) | (lo >> 4); ^ ~~~~~~~~~~~~~~~~~~~~~ drivers/staging/comedi/drivers/dt2814.c:244:2: warning: Value stored to 'i' is never read [clang-analyzer-deadcode.DeadStores] i = inb(dev->iobase + DT2814_DATA); ^ drivers/staging/comedi/drivers/dt2814.c:244:2: note: Value stored to 'i' is never read drivers/staging/comedi/drivers/dt2814.c:245:2: warning: Value stored to 'i' is never read [clang-analyzer-deadcode.DeadStores] i = inb(dev->iobase + DT2814_DATA); ^ drivers/staging/comedi/drivers/dt2814.c:245:2: note: Value stored to 'i' is never read Suppressed 8 warnings (6 in non-user code, 2 with check filters). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 6 warnings generated. Suppressed 6 warnings (6 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 6 warnings generated. Suppressed 6 warnings (6 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 12 warnings generated. Suppressed 12 warnings (12 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 12 warnings generated. Suppressed 12 warnings (12 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 12 warnings generated. Suppressed 12 warnings (12 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 12 warnings generated. Suppressed 12 warnings (12 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 12 warnings generated. vim +158 drivers/platform/x86/dell/dell-wmi-sysman/enum-attributes.c e8a60aa7404bfe drivers/platform/x86/dell-wmi-sysman/enum-attributes.c Divya Bharathi 2020-10-27 129 e8a60aa7404bfe drivers/platform/x86/dell-wmi-sysman/enum-attributes.c Divya Bharathi 2020-10-27 130 /** e8a60aa7404bfe drivers/platform/x86/dell-wmi-sysman/enum-attributes.c Divya Bharathi 2020-10-27 131 * populate_enum_data() - Populate all properties of an instance under enumeration attribute e8a60aa7404bfe drivers/platform/x86/dell-wmi-sysman/enum-attributes.c Divya Bharathi 2020-10-27 132 * @enumeration_obj: ACPI object with enumeration data e8a60aa7404bfe drivers/platform/x86/dell-wmi-sysman/enum-attributes.c Divya Bharathi 2020-10-27 133 * @instance_id: The instance to enumerate e8a60aa7404bfe drivers/platform/x86/dell-wmi-sysman/enum-attributes.c Divya Bharathi 2020-10-27 134 * @attr_name_kobj: The parent kernel object e8a60aa7404bfe drivers/platform/x86/dell-wmi-sysman/enum-attributes.c Divya Bharathi 2020-10-27 135 */ e8a60aa7404bfe drivers/platform/x86/dell-wmi-sysman/enum-attributes.c Divya Bharathi 2020-10-27 136 int populate_enum_data(union acpi_object *enumeration_obj, int instance_id, e8a60aa7404bfe drivers/platform/x86/dell-wmi-sysman/enum-attributes.c Divya Bharathi 2020-10-27 137 struct kobject *attr_name_kobj) e8a60aa7404bfe drivers/platform/x86/dell-wmi-sysman/enum-attributes.c Divya Bharathi 2020-10-27 138 { e8a60aa7404bfe drivers/platform/x86/dell-wmi-sysman/enum-attributes.c Divya Bharathi 2020-10-27 139 int i, next_obj, value_modifier_count, possible_values_count; e8a60aa7404bfe drivers/platform/x86/dell-wmi-sysman/enum-attributes.c Divya Bharathi 2020-10-27 140 e8a60aa7404bfe drivers/platform/x86/dell-wmi-sysman/enum-attributes.c Divya Bharathi 2020-10-27 141 wmi_priv.enumeration_data[instance_id].attr_name_kobj = attr_name_kobj; e8a60aa7404bfe drivers/platform/x86/dell-wmi-sysman/enum-attributes.c Divya Bharathi 2020-10-27 142 strlcpy_attr(wmi_priv.enumeration_data[instance_id].attribute_name, e8a60aa7404bfe drivers/platform/x86/dell-wmi-sysman/enum-attributes.c Divya Bharathi 2020-10-27 143 enumeration_obj[ATTR_NAME].string.pointer); e8a60aa7404bfe drivers/platform/x86/dell-wmi-sysman/enum-attributes.c Divya Bharathi 2020-10-27 144 strlcpy_attr(wmi_priv.enumeration_data[instance_id].display_name_language_code, e8a60aa7404bfe drivers/platform/x86/dell-wmi-sysman/enum-attributes.c Divya Bharathi 2020-10-27 145 enumeration_obj[DISPL_NAME_LANG_CODE].string.pointer); e8a60aa7404bfe drivers/platform/x86/dell-wmi-sysman/enum-attributes.c Divya Bharathi 2020-10-27 146 strlcpy_attr(wmi_priv.enumeration_data[instance_id].display_name, e8a60aa7404bfe drivers/platform/x86/dell-wmi-sysman/enum-attributes.c Divya Bharathi 2020-10-27 147 enumeration_obj[DISPLAY_NAME].string.pointer); e8a60aa7404bfe drivers/platform/x86/dell-wmi-sysman/enum-attributes.c Divya Bharathi 2020-10-27 148 strlcpy_attr(wmi_priv.enumeration_data[instance_id].default_value, e8a60aa7404bfe drivers/platform/x86/dell-wmi-sysman/enum-attributes.c Divya Bharathi 2020-10-27 149 enumeration_obj[DEFAULT_VAL].string.pointer); e8a60aa7404bfe drivers/platform/x86/dell-wmi-sysman/enum-attributes.c Divya Bharathi 2020-10-27 150 strlcpy_attr(wmi_priv.enumeration_data[instance_id].dell_modifier, e8a60aa7404bfe drivers/platform/x86/dell-wmi-sysman/enum-attributes.c Divya Bharathi 2020-10-27 151 enumeration_obj[MODIFIER].string.pointer); e8a60aa7404bfe drivers/platform/x86/dell-wmi-sysman/enum-attributes.c Divya Bharathi 2020-10-27 152 e8a60aa7404bfe drivers/platform/x86/dell-wmi-sysman/enum-attributes.c Divya Bharathi 2020-10-27 153 next_obj = MODIFIER + 1; e8a60aa7404bfe drivers/platform/x86/dell-wmi-sysman/enum-attributes.c Divya Bharathi 2020-10-27 154 e8a60aa7404bfe drivers/platform/x86/dell-wmi-sysman/enum-attributes.c Divya Bharathi 2020-10-27 155 value_modifier_count = (uintptr_t)enumeration_obj[next_obj].string.pointer; e8a60aa7404bfe drivers/platform/x86/dell-wmi-sysman/enum-attributes.c Divya Bharathi 2020-10-27 156 e8a60aa7404bfe drivers/platform/x86/dell-wmi-sysman/enum-attributes.c Divya Bharathi 2020-10-27 157 for (i = 0; i < value_modifier_count; i++) { e8a60aa7404bfe drivers/platform/x86/dell-wmi-sysman/enum-attributes.c Divya Bharathi 2020-10-27 @158 strcat(wmi_priv.enumeration_data[instance_id].dell_value_modifier, e8a60aa7404bfe drivers/platform/x86/dell-wmi-sysman/enum-attributes.c Divya Bharathi 2020-10-27 159 enumeration_obj[++next_obj].string.pointer); e8a60aa7404bfe drivers/platform/x86/dell-wmi-sysman/enum-attributes.c Divya Bharathi 2020-10-27 160 strcat(wmi_priv.enumeration_data[instance_id].dell_value_modifier, ";"); e8a60aa7404bfe drivers/platform/x86/dell-wmi-sysman/enum-attributes.c Divya Bharathi 2020-10-27 161 } e8a60aa7404bfe drivers/platform/x86/dell-wmi-sysman/enum-attributes.c Divya Bharathi 2020-10-27 162 e8a60aa7404bfe drivers/platform/x86/dell-wmi-sysman/enum-attributes.c Divya Bharathi 2020-10-27 163 possible_values_count = (uintptr_t) enumeration_obj[++next_obj].string.pointer; e8a60aa7404bfe drivers/platform/x86/dell-wmi-sysman/enum-attributes.c Divya Bharathi 2020-10-27 164 e8a60aa7404bfe drivers/platform/x86/dell-wmi-sysman/enum-attributes.c Divya Bharathi 2020-10-27 165 for (i = 0; i < possible_values_count; i++) { e8a60aa7404bfe drivers/platform/x86/dell-wmi-sysman/enum-attributes.c Divya Bharathi 2020-10-27 166 strcat(wmi_priv.enumeration_data[instance_id].possible_values, e8a60aa7404bfe drivers/platform/x86/dell-wmi-sysman/enum-attributes.c Divya Bharathi 2020-10-27 167 enumeration_obj[++next_obj].string.pointer); e8a60aa7404bfe drivers/platform/x86/dell-wmi-sysman/enum-attributes.c Divya Bharathi 2020-10-27 168 strcat(wmi_priv.enumeration_data[instance_id].possible_values, ";"); e8a60aa7404bfe drivers/platform/x86/dell-wmi-sysman/enum-attributes.c Divya Bharathi 2020-10-27 169 } e8a60aa7404bfe drivers/platform/x86/dell-wmi-sysman/enum-attributes.c Divya Bharathi 2020-10-27 170 e8a60aa7404bfe drivers/platform/x86/dell-wmi-sysman/enum-attributes.c Divya Bharathi 2020-10-27 171 return sysfs_create_group(attr_name_kobj, &enumeration_attr_group); e8a60aa7404bfe drivers/platform/x86/dell-wmi-sysman/enum-attributes.c Divya Bharathi 2020-10-27 172 } e8a60aa7404bfe drivers/platform/x86/dell-wmi-sysman/enum-attributes.c Divya Bharathi 2020-10-27 173 :::::: The code at line 158 was first introduced by commit :::::: e8a60aa7404bfef37705da5607c97737073ac38d platform/x86: Introduce support for Systems Management Driver over WMI for Dell Systems :::::: TO: Divya Bharathi <[email protected]> :::::: CC: Hans de Goede <[email protected]> --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/[email protected] _______________________________________________ kbuild mailing list -- [email protected] To unsubscribe send an email to [email protected]
