CC: [email protected] CC: [email protected] CC: [email protected] TO: Daniel Palmer <[email protected]>
tree: git://github.com/linux-chenxing/linux.git msc313_mainlining head: 17a0ed91a3dc1dc1074446b16909ead13a6593a4 commit: 5119e24f7f04d53e9b2b0915e0129801befeb37c [40/79] pinctrl: mstar: msc313 pinctrl driver :::::: branch date: 2 days ago :::::: commit date: 2 days ago config: arm-randconfig-c002-20211225 (https://download.01.org/0day-ci/archive/20211226/[email protected]/config) compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project a9e8b1ee7fd44b53c555a7823ae8fd1a8209c520) 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 # install arm cross compiling tool for clang build # apt-get install binutils-arm-linux-gnueabi # https://github.com/linux-chenxing/linux/commit/5119e24f7f04d53e9b2b0915e0129801befeb37c git remote add chenxing git://github.com/linux-chenxing/linux.git git fetch --no-tags chenxing msc313_mainlining git checkout 5119e24f7f04d53e9b2b0915e0129801befeb37c # save the config file to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=arm clang-analyzer If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <[email protected]> All warnings (new ones prefixed by >>): >> drivers/pinctrl/mstar/pinctrl-msc313-pm.c:35:27: warning: unused variable >> 'pm_uart_groups' [-Wunused-const-variable] static const char * const pm_uart_groups[] = { ^ >> drivers/pinctrl/mstar/pinctrl-msc313-pm.c:39:27: warning: unused variable >> 'pm_spi_groups' [-Wunused-const-variable] static const char * const pm_spi_groups[] = { ^ >> drivers/pinctrl/mstar/pinctrl-msc313-pm.c:43:27: warning: unused variable >> 'pm_irin_groups' [-Wunused-const-variable] static const char * const pm_irin_groups[] = { ^ 3 warnings generated. clang-analyzer warnings: (new ones prefixed by >>) ^~~~~~ drivers/video/fbdev/omap2/omapfb/dss/omapdss-boot-init.c:68:3: note: Call to function 'strcpy' 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 'strlcpy'. CWE-119 strcpy(dst, prefix); ^~~~~~ drivers/video/fbdev/omap2/omapfb/dss/omapdss-boot-init.c:71:3: warning: Call to function 'strcpy' 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 'strlcpy'. CWE-119 [clang-analyzer-security.insecureAPI.strcpy] strcpy(dst, src); ^~~~~~ drivers/video/fbdev/omap2/omapfb/dss/omapdss-boot-init.c:71:3: note: Call to function 'strcpy' 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 'strlcpy'. CWE-119 strcpy(dst, src); ^~~~~~ Suppressed 15 warnings (15 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. 16 warnings generated. Suppressed 16 warnings (16 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. 16 warnings generated. Suppressed 16 warnings (16 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. 15 warnings generated. Suppressed 15 warnings (15 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. 16 warnings generated. drivers/video/fbdev/omap2/omapfb/dss/dispc.c:670:49: warning: The result of the left shift is undefined because the left operand is negative [clang-analyzer-core.UndefinedBinaryOperatorResult] dispc_write_reg(DISPC_OVL_CONV_COEF(plane, 2), CVAL(ct->gcb, ct->gcr)); ^ drivers/video/fbdev/omap2/omapfb/dss/dispc.c:666:21: note: expanded from macro 'CVAL' #define CVAL(x, y) (FLD_VAL(x, 26, 16) | FLD_VAL(y, 10, 0)) ^ drivers/video/fbdev/omap2/omapfb/dss/dss.h:60:42: note: expanded from macro 'FLD_VAL' #define FLD_VAL(val, start, end) (((val) << (end)) & FLD_MASK(start, end)) ^ drivers/video/fbdev/omap2/omapfb/dss/dispc.c:4049:6: note: Assuming the condition is true if (REG_GET(DISPC_CONFIG, 2, 1) != OMAP_DSS_LOAD_FRAME_ONLY) { ^ drivers/video/fbdev/omap2/omapfb/dss/dispc.c:49:2: note: expanded from macro 'REG_GET' FLD_GET(dispc_read_reg(idx), start, end) ^ drivers/video/fbdev/omap2/omapfb/dss/dss.h:61:34: note: expanded from macro 'FLD_GET' #define FLD_GET(val, start, end) (((val) & FLD_MASK(start, end)) >> (end)) ^ drivers/video/fbdev/omap2/omapfb/dss/dispc.c:4049:2: note: Taking true branch if (REG_GET(DISPC_CONFIG, 2, 1) != OMAP_DSS_LOAD_FRAME_ONLY) { ^ drivers/video/fbdev/omap2/omapfb/dss/dispc.c:4050:3: note: Calling '_omap_dispc_initial_config' _omap_dispc_initial_config(); ^~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/video/fbdev/omap2/omapfb/dss/dispc.c:3721:6: note: Assuming the condition is false if (dss_has_feature(FEAT_CORE_CLK_DIV)) { ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/video/fbdev/omap2/omapfb/dss/dispc.c:3721:2: note: Taking false branch if (dss_has_feature(FEAT_CORE_CLK_DIV)) { ^ drivers/video/fbdev/omap2/omapfb/dss/dispc.c:3732:6: note: Assuming the condition is false if (dss_has_feature(FEAT_FUNCGATED)) ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/video/fbdev/omap2/omapfb/dss/dispc.c:3732:2: note: Taking false branch if (dss_has_feature(FEAT_FUNCGATED)) ^ drivers/video/fbdev/omap2/omapfb/dss/dispc.c:3735:2: note: Calling 'dispc_setup_color_conv_coef' dispc_setup_color_conv_coef(); ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/video/fbdev/omap2/omapfb/dss/dispc.c:692:14: note: Assuming 'i' is >= 'num_ovl' for (i = 1; i < num_ovl; i++) ^~~~~~~~~~~ drivers/video/fbdev/omap2/omapfb/dss/dispc.c:692:2: note: Loop condition is false. Execution continues on line 695 for (i = 1; i < num_ovl; i++) ^ drivers/video/fbdev/omap2/omapfb/dss/dispc.c:695:6: note: Assuming field 'has_writeback' is true if (dispc.feat->has_writeback) ^~~~~~~~~~~~~~~~~~~~~~~~~ drivers/video/fbdev/omap2/omapfb/dss/dispc.c:695:2: note: Taking true branch if (dispc.feat->has_writeback) ^ drivers/video/fbdev/omap2/omapfb/dss/dispc.c:696:3: note: Calling 'dispc_ovl_write_color_conv_coef' dispc_ovl_write_color_conv_coef(OMAP_DSS_WB, &ctbl_bt601_5_wb); ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/video/fbdev/omap2/omapfb/dss/dispc.c:670:49: note: The result of the left shift is undefined because the left operand is negative dispc_write_reg(DISPC_OVL_CONV_COEF(plane, 2), CVAL(ct->gcb, ct->gcr)); ^ drivers/video/fbdev/omap2/omapfb/dss/dispc.c:666:21: note: expanded from macro 'CVAL' #define CVAL(x, y) (FLD_VAL(x, 26, 16) | FLD_VAL(y, 10, 0)) ^~~~~~~~~~~~~~~~~~ drivers/video/fbdev/omap2/omapfb/dss/dss.h:60:42: note: expanded from macro 'FLD_VAL' #define FLD_VAL(val, start, end) (((val) << (end)) & FLD_MASK(start, end)) ~~~~~ ^ Suppressed 15 warnings (15 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. 16 warnings generated. Suppressed 16 warnings (16 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. 16 warnings generated. Suppressed 16 warnings (16 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. 16 warnings generated. Suppressed 16 warnings (16 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. 16 warnings generated. Suppressed 16 warnings (16 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. 17 warnings generated. >> drivers/pinctrl/mstar/pinctrl-mstar.c:88:2: warning: Undefined or garbage >> value returned to caller [clang-analyzer-core.uninitialized.UndefReturn] return ret; ^ ~~~ drivers/pinctrl/mstar/pinctrl-mstar.c:80:9: note: 'ret' declared without an initial value int i, ret; ^~~ drivers/pinctrl/mstar/pinctrl-mstar.c:82:14: note: Assuming 'i' is >= field 'ngroups' for (i = 0; i < pinctrl->info->ngroups; i++) { ^~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/pinctrl/mstar/pinctrl-mstar.c:82:2: note: Loop condition is false. Execution continues on line 88 for (i = 0; i < pinctrl->info->ngroups; i++) { ^ drivers/pinctrl/mstar/pinctrl-mstar.c:88:2: note: Undefined or garbage value returned to caller return ret; ^ ~~~ drivers/pinctrl/mstar/pinctrl-mstar.c:112:2: warning: Undefined or garbage value returned to caller [clang-analyzer-core.uninitialized.UndefReturn] return ret; ^ ~~~ drivers/pinctrl/mstar/pinctrl-mstar.c:93:9: note: 'ret' declared without an initial value int i, ret; ^~~ drivers/pinctrl/mstar/pinctrl-mstar.c:95:14: note: Assuming 'i' is >= field 'nfunctions' for (i = 0; i < pinctrl->info->nfunctions; i++) { ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/pinctrl/mstar/pinctrl-mstar.c:95:2: note: Loop condition is false. Execution continues on line 112 for (i = 0; i < pinctrl->info->nfunctions; i++) { ^ drivers/pinctrl/mstar/pinctrl-mstar.c:112:2: note: Undefined or garbage value returned to caller return ret; ^ ~~~ Suppressed 15 warnings (15 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. 5 warnings generated. >> drivers/pinctrl/mstar/pinctrl-msc313-pm.c:391:2: warning: Value stored to >> 'ret' is never read [clang-analyzer-deadcode.DeadStores] ret = mstar_pinctrl_parse_functions(pinctrl); ^ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/pinctrl/mstar/pinctrl-msc313-pm.c:391:2: note: Value stored to 'ret' is never read ret = mstar_pinctrl_parse_functions(pinctrl); ^ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/pinctrl/mstar/pinctrl-msc313-pm.c:392:2: warning: Value stored to 'ret' is never read [clang-analyzer-deadcode.DeadStores] ret = mstar_pinctrl_parse_groups(pinctrl); ^ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/pinctrl/mstar/pinctrl-msc313-pm.c:392:2: note: Value stored to 'ret' is never read ret = mstar_pinctrl_parse_groups(pinctrl); ^ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Suppressed 3 warnings (3 with check filters). 16 warnings generated. Suppressed 16 warnings (16 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. 20 warnings generated. fs/afs/fsclient.c:685:3: warning: Value stored to 'bp' is never read [clang-analyzer-deadcode.DeadStores] bp = (void *) bp + padsz; ^ ~~~~~~~~~~~~~~~~~~~ fs/afs/fsclient.c:685:3: note: Value stored to 'bp' is never read bp = (void *) bp + padsz; ^ ~~~~~~~~~~~~~~~~~~~ fs/afs/fsclient.c:732:3: warning: Value stored to 'bp' is never read [clang-analyzer-deadcode.DeadStores] bp = (void *) bp + padsz; ^ ~~~~~~~~~~~~~~~~~~~ fs/afs/fsclient.c:732:3: note: Value stored to 'bp' is never read bp = (void *) bp + padsz; ^ ~~~~~~~~~~~~~~~~~~~ fs/afs/fsclient.c:1003:3: warning: Value stored to 'bp' is never read [clang-analyzer-deadcode.DeadStores] bp = (void *) bp + n_padsz; ^ ~~~~~~~~~~~~~~~~~~~~~ fs/afs/fsclient.c:1003:3: note: Value stored to 'bp' is never read bp = (void *) bp + n_padsz; ^ ~~~~~~~~~~~~~~~~~~~~~ fs/afs/fsclient.c:1674:36: warning: The left operand of '-' is a garbage value [clang-analyzer-core.UndefinedBinaryOperatorResult] afs_extract_discard(call, (count - 1) * sizeof(__be32)); ~~~~~ ^ fs/afs/fsclient.c:1638:2: note: 'count' declared without an initial value u32 count; ^~~~~~~~~ fs/afs/fsclient.c:1641:2: note: Taking false branch _enter("{%u,%zu}", call->unmarshall, iov_iter_count(call->iter)); ^ fs/afs/internal.h:1677:25: note: expanded from macro '_enter' #define _enter(FMT,...) no_printk("==> %s("FMT")",__func__ ,##__VA_ARGS__) ^ include/linux/printk.h:131:2: note: expanded from macro 'no_printk' if (0) \ ^ fs/afs/fsclient.c:1643:2: note: Control jumps to 'case 2:' at line 1669 switch (call->unmarshall) { ^ fs/afs/fsclient.c:1671:7: note: Assuming 'ret' is >= 0 if (ret < 0) ^~~~~~~ fs/afs/fsclient.c:1671:3: note: Taking false branch if (ret < 0) ^ fs/afs/fsclient.c:1674:36: note: The left operand of '-' is a garbage value afs_extract_discard(call, (count - 1) * sizeof(__be32)); ~~~~~ ^ Suppressed 16 warnings (16 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. 16 warnings generated. Suppressed 16 warnings (16 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. 16 warnings generated. Suppressed 16 warnings (16 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. 16 warnings generated. Suppressed 16 warnings (16 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. 16 warnings generated. Suppressed 16 warnings (16 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. 17 warnings generated. drivers/clk/clk-vt8500.c:301:2: warning: Value stored to 'rc' is never read [clang-analyzer-deadcode.DeadStores] rc = of_clk_add_hw_provider(node, of_clk_hw_simple_get, hw); ^ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/clk/clk-vt8500.c:301:2: note: Value stored to 'rc' is never read rc = of_clk_add_hw_provider(node, of_clk_hw_simple_get, hw); ^ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/clk/clk-vt8500.c:715:2: warning: Value stored to 'rc' is never read [clang-analyzer-deadcode.DeadStores] rc = of_clk_add_hw_provider(node, of_clk_hw_simple_get, hw); ^ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/clk/clk-vt8500.c:715:2: note: Value stored to 'rc' is never read rc = of_clk_add_hw_provider(node, of_clk_hw_simple_get, hw); ^ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Suppressed 15 warnings (15 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. 17 warnings generated. drivers/clk/baikal-t1/ccu-pll.c:258:45: warning: The left operand of '-' is a garbage value [clang-analyzer-core.UndefinedBinaryOperatorResult] val = FIELD_PREP(CCU_PLL_CTL_CLKR_MASK, nr - 1) | ^ include/linux/bitfield.h:94:33: note: expanded from macro 'FIELD_PREP' __BF_FIELD_CHECK(_mask, 0ULL, _val, "FIELD_PREP: "); \ ^~~~ include/linux/bitfield.h:49:41: note: expanded from macro '__BF_FIELD_CHECK' BUILD_BUG_ON_MSG(__builtin_constant_p(_val) ? \ ^~~~ -- ^ include/linux/printk.h:131:2: note: expanded from macro 'no_printk' if (0) \ ^ fs/afs/fsclient.c:1643:2: note: Control jumps to 'case 2:' at line 1669 switch (call->unmarshall) { ^ fs/afs/fsclient.c:1671:7: note: Assuming 'ret' is >= 0 if (ret < 0) ^~~~~~~ fs/afs/fsclient.c:1671:3: note: Taking false branch if (ret < 0) ^ fs/afs/fsclient.c:1674:36: note: The left operand of '-' is a garbage value afs_extract_discard(call, (count - 1) * sizeof(__be32)); ~~~~~ ^ Suppressed 16 warnings (16 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. 16 warnings generated. Suppressed 16 warnings (16 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. 16 warnings generated. Suppressed 16 warnings (16 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. 16 warnings generated. Suppressed 16 warnings (16 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. 16 warnings generated. Suppressed 16 warnings (16 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. 16 warnings generated. Suppressed 16 warnings (16 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. 16 warnings generated. Suppressed 16 warnings (16 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. 16 warnings generated. Suppressed 16 warnings (16 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. 16 warnings generated. Suppressed 16 warnings (16 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. 16 warnings generated. Suppressed 16 warnings (16 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. 15 warnings generated. Suppressed 15 warnings (15 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. 16 warnings generated. Suppressed 16 warnings (16 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. 16 warnings generated. Suppressed 16 warnings (16 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. 15 warnings generated. Suppressed 15 warnings (15 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. 16 warnings generated. Suppressed 16 warnings (16 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. 15 warnings generated. Suppressed 15 warnings (15 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. 16 warnings generated. Suppressed 16 warnings (16 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. 17 warnings generated. drivers/video/fbdev/omap2/omapfb/omapfb-main.c:1554:3: warning: Value stored to 'rg' is never read [clang-analyzer-deadcode.DeadStores] rg = ofbi->region; ^ ~~~~~~~~~~~~ drivers/video/fbdev/omap2/omapfb/omapfb-main.c:1554:3: note: Value stored to 'rg' is never read rg = ofbi->region; ^ ~~~~~~~~~~~~ Suppressed 16 warnings (16 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. 16 warnings generated. Suppressed 16 warnings (16 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. 17 warnings generated. drivers/video/fbdev/omap2/omapfb/omapfb-ioctl.c:514:6: warning: Value stored to 'mode_idx' during its initialization is never read [clang-analyzer-deadcode.DeadStores] int mode_idx = mode->mode_idx; ^~~~~~~~ ~~~~~~~~~~~~~~ drivers/video/fbdev/omap2/omapfb/omapfb-ioctl.c:514:6: note: Value stored to 'mode_idx' during its initialization is never read int mode_idx = mode->mode_idx; ^~~~~~~~ ~~~~~~~~~~~~~~ Suppressed 16 warnings (16 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. 16 warnings generated. Suppressed 16 warnings (16 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. 16 warnings generated. Suppressed 16 warnings (16 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. 16 warnings generated. Suppressed 16 warnings (16 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. 16 warnings generated. Suppressed 16 warnings (16 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. 17 warnings generated. >> drivers/pinctrl/mstar/pinctrl-mstar.c:88:2: warning: Undefined or garbage >> value returned to caller [clang-analyzer-core.uninitialized.UndefReturn] return ret; ^ ~~~ drivers/pinctrl/mstar/pinctrl-mstar.c:80:9: note: 'ret' declared without an initial value int i, ret; ^~~ drivers/pinctrl/mstar/pinctrl-mstar.c:82:14: note: Assuming 'i' is >= field 'ngroups' for (i = 0; i < pinctrl->info->ngroups; i++) { ^~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/pinctrl/mstar/pinctrl-mstar.c:82:2: note: Loop condition is false. Execution continues on line 88 for (i = 0; i < pinctrl->info->ngroups; i++) { ^ drivers/pinctrl/mstar/pinctrl-mstar.c:88:2: note: Undefined or garbage value returned to caller return ret; ^ ~~~ drivers/pinctrl/mstar/pinctrl-mstar.c:112:2: warning: Undefined or garbage value returned to caller [clang-analyzer-core.uninitialized.UndefReturn] return ret; ^ ~~~ drivers/pinctrl/mstar/pinctrl-mstar.c:93:9: note: 'ret' declared without an initial value int i, ret; ^~~ drivers/pinctrl/mstar/pinctrl-mstar.c:95:14: note: Assuming 'i' is >= field 'nfunctions' for (i = 0; i < pinctrl->info->nfunctions; i++) { ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/pinctrl/mstar/pinctrl-mstar.c:95:2: note: Loop condition is false. Execution continues on line 112 for (i = 0; i < pinctrl->info->nfunctions; i++) { ^ drivers/pinctrl/mstar/pinctrl-mstar.c:112:2: note: Undefined or garbage value returned to caller return ret; ^ ~~~ Suppressed 15 warnings (15 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. 5 warnings generated. >> drivers/pinctrl/mstar/pinctrl-msc313-pm.c:391:2: warning: Value stored to >> 'ret' is never read [clang-analyzer-deadcode.DeadStores] ret = mstar_pinctrl_parse_functions(pinctrl); ^ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/pinctrl/mstar/pinctrl-msc313-pm.c:391:2: note: Value stored to 'ret' is never read ret = mstar_pinctrl_parse_functions(pinctrl); ^ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/pinctrl/mstar/pinctrl-msc313-pm.c:392:2: warning: Value stored to 'ret' is never read [clang-analyzer-deadcode.DeadStores] ret = mstar_pinctrl_parse_groups(pinctrl); ^ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/pinctrl/mstar/pinctrl-msc313-pm.c:392:2: note: Value stored to 'ret' is never read ret = mstar_pinctrl_parse_groups(pinctrl); ^ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Suppressed 3 warnings (3 with check filters). 15 warnings generated. Suppressed 15 warnings (15 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. 15 warnings generated. Suppressed 15 warnings (15 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. 16 warnings generated. Suppressed 16 warnings (16 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. 15 warnings generated. Suppressed 15 warnings (15 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. 15 warnings generated. Suppressed 15 warnings (15 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. 17 warnings generated. drivers/video/fbdev/omap2/omapfb/dss/omapdss-boot-init.c:68:3: warning: Call to function 'strcpy' 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 'strlcpy'. CWE-119 [clang-analyzer-security.insecureAPI.strcpy] strcpy(dst, prefix); ^~~~~~ drivers/video/fbdev/omap2/omapfb/dss/omapdss-boot-init.c:68:3: note: Call to function 'strcpy' 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 'strlcpy'. CWE-119 strcpy(dst, prefix); ^~~~~~ drivers/video/fbdev/omap2/omapfb/dss/omapdss-boot-init.c:71:3: warning: Call to function 'strcpy' 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 'strlcpy'. CWE-119 [clang-analyzer-security.insecureAPI.strcpy] strcpy(dst, src); ^~~~~~ drivers/video/fbdev/omap2/omapfb/dss/omapdss-boot-init.c:71:3: note: Call to function 'strcpy' 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 'strlcpy'. CWE-119 strcpy(dst, src); ^~~~~~ Suppressed 15 warnings (15 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. 16 warnings generated. Suppressed 16 warnings (16 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. 16 warnings generated. Suppressed 16 warnings (16 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. 15 warnings generated. Suppressed 15 warnings (15 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. 16 warnings generated. drivers/video/fbdev/omap2/omapfb/dss/dispc.c:670:49: warning: The result of the left shift is undefined because the left operand is negative [clang-analyzer-core.UndefinedBinaryOperatorResult] dispc_write_reg(DISPC_OVL_CONV_COEF(plane, 2), CVAL(ct->gcb, ct->gcr)); ^ drivers/video/fbdev/omap2/omapfb/dss/dispc.c:666:21: note: expanded from macro 'CVAL' #define CVAL(x, y) (FLD_VAL(x, 26, 16) | FLD_VAL(y, 10, 0)) ^ drivers/video/fbdev/omap2/omapfb/dss/dss.h:60:42: note: expanded from macro 'FLD_VAL' #define FLD_VAL(val, start, end) (((val) << (end)) & FLD_MASK(start, end)) ^ drivers/video/fbdev/omap2/omapfb/dss/dispc.c:4049:6: note: Assuming the condition is true if (REG_GET(DISPC_CONFIG, 2, 1) != OMAP_DSS_LOAD_FRAME_ONLY) { ^ drivers/video/fbdev/omap2/omapfb/dss/dispc.c:49:2: note: expanded from macro 'REG_GET' FLD_GET(dispc_read_reg(idx), start, end) ^ drivers/video/fbdev/omap2/omapfb/dss/dss.h:61:34: note: expanded from macro 'FLD_GET' #define FLD_GET(val, start, end) (((val) & FLD_MASK(start, end)) >> (end)) ^ drivers/video/fbdev/omap2/omapfb/dss/dispc.c:4049:2: note: Taking true branch if (REG_GET(DISPC_CONFIG, 2, 1) != OMAP_DSS_LOAD_FRAME_ONLY) { ^ drivers/video/fbdev/omap2/omapfb/dss/dispc.c:4050:3: note: Calling '_omap_dispc_initial_config' _omap_dispc_initial_config(); ^~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/video/fbdev/omap2/omapfb/dss/dispc.c:3721:6: note: Assuming the condition is false if (dss_has_feature(FEAT_CORE_CLK_DIV)) { ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/video/fbdev/omap2/omapfb/dss/dispc.c:3721:2: note: Taking false branch if (dss_has_feature(FEAT_CORE_CLK_DIV)) { ^ drivers/video/fbdev/omap2/omapfb/dss/dispc.c:3732:6: note: Assuming the condition is false if (dss_has_feature(FEAT_FUNCGATED)) ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/video/fbdev/omap2/omapfb/dss/dispc.c:3732:2: note: Taking false branch if (dss_has_feature(FEAT_FUNCGATED)) ^ drivers/video/fbdev/omap2/omapfb/dss/dispc.c:3735:2: note: Calling 'dispc_setup_color_conv_coef' dispc_setup_color_conv_coef(); ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/video/fbdev/omap2/omapfb/dss/dispc.c:692:14: note: Assuming 'i' is >= 'num_ovl' for (i = 1; i < num_ovl; i++) ^~~~~~~~~~~ drivers/video/fbdev/omap2/omapfb/dss/dispc.c:692:2: note: Loop condition is false. Execution continues on line 695 for (i = 1; i < num_ovl; i++) ^ drivers/video/fbdev/omap2/omapfb/dss/dispc.c:695:6: note: Assuming field 'has_writeback' is true if (dispc.feat->has_writeback) ^~~~~~~~~~~~~~~~~~~~~~~~~ vim +/pm_uart_groups +35 drivers/pinctrl/mstar/pinctrl-msc313-pm.c 7094a49a4ca2d8 Daniel Palmer 2021-01-10 34 7094a49a4ca2d8 Daniel Palmer 2021-01-10 @35 static const char * const pm_uart_groups[] = { 7094a49a4ca2d8 Daniel Palmer 2021-01-10 36 GROUPNAME_PM_UART, 7094a49a4ca2d8 Daniel Palmer 2021-01-10 37 }; 7094a49a4ca2d8 Daniel Palmer 2021-01-10 38 7094a49a4ca2d8 Daniel Palmer 2021-01-10 @39 static const char * const pm_spi_groups[] = { 7094a49a4ca2d8 Daniel Palmer 2021-01-10 40 GROUPNAME_PM_SPI, 7094a49a4ca2d8 Daniel Palmer 2021-01-10 41 }; 7094a49a4ca2d8 Daniel Palmer 2021-01-10 42 7094a49a4ca2d8 Daniel Palmer 2021-01-10 @43 static const char * const pm_irin_groups[] = { 7094a49a4ca2d8 Daniel Palmer 2021-01-10 44 GROUPNAME_PM_IRIN, 7094a49a4ca2d8 Daniel Palmer 2021-01-10 45 }; 7094a49a4ca2d8 Daniel Palmer 2021-01-10 46 :::::: The code at line 35 was first introduced by commit :::::: 7094a49a4ca2d8ebb8a7bf96d8ee2acd717f5c6d pinctrl: mstar: msc313 pm pinctrl driver :::::: TO: Daniel Palmer <[email protected]> :::::: CC: Daniel Palmer <[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]
