CC: l...@lists.linux.dev CC: kbuild-...@lists.01.org BCC: l...@intel.com CC: linux-ker...@vger.kernel.org TO: Bart Van Assche <bvanass...@acm.org>
tree: https://github.com/bvanassche/linux ufs-for-next head: 905917fe701f16ad2d895c3fef85ca92efd86a06 commit: 905917fe701f16ad2d895c3fef85ca92efd86a06 [317/317] scsi: ufs: Split struct ufs_hba :::::: branch date: 14 hours ago :::::: commit date: 14 hours ago config: riscv-randconfig-c006-20220320 (https://download.01.org/0day-ci/archive/20220321/202203210141.ha243afw-...@intel.com/config) compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project 85e9b2687a13d1908aa86d1b89c5ce398a06cd39) 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 riscv cross compiling tool for clang build # apt-get install binutils-riscv64-linux-gnu # https://github.com/bvanassche/linux/commit/905917fe701f16ad2d895c3fef85ca92efd86a06 git remote add bvanassche https://github.com/bvanassche/linux git fetch --no-tags bvanassche ufs-for-next git checkout 905917fe701f16ad2d895c3fef85ca92efd86a06 # save the config file to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=riscv clang-analyzer If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <l...@intel.com> clang-analyzer warnings: (new ones prefixed by >>) void *__mptr = (void *)(ptr); \ ^~~~~ sound/core/device.c:226:17: note: Assuming 'card' is non-null if (snd_BUG_ON(!card)) ^ include/sound/core.h:413:25: note: expanded from macro 'snd_BUG_ON' int __ret_warn_on = !!(condition); \ ^~~~~~~~~ sound/core/device.c:226:2: note: Taking false branch if (snd_BUG_ON(!card)) ^ sound/core/device.c:228:2: note: Loop condition is true. Entering loop body list_for_each_entry_safe_reverse(dev, next, &card->devices, list) { ^ include/linux/list.h:772:2: note: expanded from macro 'list_for_each_entry_safe_reverse' for (pos = list_last_entry(head, typeof(*pos), member), \ ^ sound/core/device.c:230:7: note: Assuming field 'type' is not equal to SNDRV_DEV_CONTROL if (dev->type == SNDRV_DEV_CONTROL || ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ sound/core/device.c:230:7: note: Left side of '||' is false sound/core/device.c:231:7: note: Assuming field 'type' is not equal to SNDRV_DEV_LOWLEVEL dev->type == SNDRV_DEV_LOWLEVEL) ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ sound/core/device.c:230:3: note: Taking false branch if (dev->type == SNDRV_DEV_CONTROL || ^ sound/core/device.c:233:3: note: Calling '__snd_device_free' __snd_device_free(dev); ^~~~~~~~~~~~~~~~~~~~~~ sound/core/device.c:75:6: note: Assuming field 'dev_free' is null if (dev->ops->dev_free) { ^~~~~~~~~~~~~~~~~~ sound/core/device.c:75:2: note: Taking false branch if (dev->ops->dev_free) { ^ sound/core/device.c:79:2: note: Memory is released kfree(dev); ^~~~~~~~~~ sound/core/device.c:233:3: note: Returning; memory was released via 1st parameter __snd_device_free(dev); ^~~~~~~~~~~~~~~~~~~~~~ sound/core/device.c:228:2: note: Loop condition is false. Execution continues on line 237 list_for_each_entry_safe_reverse(dev, next, &card->devices, list) { ^ include/linux/list.h:772:2: note: expanded from macro 'list_for_each_entry_safe_reverse' for (pos = list_last_entry(head, typeof(*pos), member), \ ^ sound/core/device.c:237:2: note: Use of memory after it is freed list_for_each_entry_safe_reverse(dev, next, &card->devices, list) ^ include/linux/list.h:773:7: note: expanded from macro 'list_for_each_entry_safe_reverse' n = list_prev_entry(pos, member); \ ^~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/list.h:572:2: note: expanded from macro 'list_prev_entry' list_entry((pos)->member.prev, typeof(*(pos)), member) ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/list.h:520:2: note: expanded from macro 'list_entry' container_of(ptr, type, member) ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/container_of.h:18:25: note: expanded from macro 'container_of' void *__mptr = (void *)(ptr); \ ^~~~~ Suppressed 2 warnings (2 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. 2 warnings generated. Suppressed 2 warnings (2 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. 2 warnings generated. Suppressed 2 warnings (2 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. 2 warnings generated. Suppressed 2 warnings (2 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. 2 warnings generated. Suppressed 2 warnings (2 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. 2 warnings generated. Suppressed 2 warnings (2 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. 2 warnings generated. Suppressed 2 warnings (2 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. 3 warnings generated. drivers/clk/bcm/clk-iproc-pll.c:182:3: warning: Value stored to 'val' is never read [clang-analyzer-deadcode.DeadStores] val = readl(base + offset); ^ drivers/clk/bcm/clk-iproc-pll.c:182:3: note: Value stored to 'val' is never read Suppressed 2 warnings (2 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. 2 warnings generated. Suppressed 2 warnings (2 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. 19 warnings generated. >> drivers/scsi/ufs/ufshcd.c:690:23: warning: Value stored to 'priv' during its >> initialization is never read [clang-analyzer-deadcode.DeadStores] struct ufs_hba_priv *priv = container_of(hba, typeof(*priv), hba); ^~~~ drivers/scsi/ufs/ufshcd.c:690:23: note: Value stored to 'priv' during its initialization is never read struct ufs_hba_priv *priv = container_of(hba, typeof(*priv), hba); ^~~~ drivers/scsi/ufs/ufshcd.c:942:23: warning: Value stored to 'priv' during its initialization is never read [clang-analyzer-deadcode.DeadStores] struct ufs_hba_priv *priv = container_of(hba, typeof(*priv), hba); ^~~~ drivers/scsi/ufs/ufshcd.c:942:23: note: Value stored to 'priv' during its initialization is never read struct ufs_hba_priv *priv = container_of(hba, typeof(*priv), hba); ^~~~ drivers/scsi/ufs/ufshcd.c:5371:36: warning: Access to field 'cmd_active' results in a dereference of a null pointer (loaded from field 'active_uic_cmd') [clang-analyzer-core.NullDereference] priv->active_uic_cmd->cmd_active = 0; ^ drivers/scsi/ufs/ufshcd.c:6729:16: note: Loop condition is false. Exiting loop intr_status = ufshcd_readl(hba, REG_INTERRUPT_STATUS); ^ drivers/scsi/ufs/ufshcd.h:1016:2: note: expanded from macro 'ufshcd_readl' readl((hba)->mmio_base + (reg)) ^ arch/riscv/include/asm/mmio.h:140:30: note: expanded from macro 'readl' #define readl(c) ({ u32 __v; __io_br(); __v = readl_cpu(c); __io_ar(__v); __v; }) ^ arch/riscv/include/asm/mmio.h:133:19: note: expanded from macro '__io_br' #define __io_br() do {} while (0) ^ drivers/scsi/ufs/ufshcd.c:6739:9: note: Assuming 'intr_status' is not equal to 0 while (intr_status && retries--) { ^~~~~~~~~~~ drivers/scsi/ufs/ufshcd.c:6739:9: note: Left side of '&&' is true drivers/scsi/ufs/ufshcd.c:6739:2: note: Loop condition is true. Entering loop body while (intr_status && retries--) { ^ drivers/scsi/ufs/ufshcd.c:6741:18: note: Loop condition is false. Exiting loop intr_status & ufshcd_readl(hba, REG_INTERRUPT_ENABLE); ^ drivers/scsi/ufs/ufshcd.h:1016:2: note: expanded from macro 'ufshcd_readl' readl((hba)->mmio_base + (reg)) ^ arch/riscv/include/asm/mmio.h:140:30: note: expanded from macro 'readl' #define readl(c) ({ u32 __v; __io_br(); __v = readl_cpu(c); __io_ar(__v); __v; }) ^ arch/riscv/include/asm/mmio.h:133:19: note: expanded from macro '__io_br' #define __io_br() do {} while (0) ^ drivers/scsi/ufs/ufshcd.c:6742:3: note: Loop condition is false. Exiting loop ufshcd_writel(hba, intr_status, REG_INTERRUPT_STATUS); ^ drivers/scsi/ufs/ufshcd.h:1014:2: note: expanded from macro 'ufshcd_writel' writel((val), (hba)->mmio_base + (reg)) ^ arch/riscv/include/asm/mmio.h:144:58: note: expanded from macro 'writel' #define writel(v, c) ({ __io_bw(); writel_cpu((v), (c)); __io_aw(); }) ^ arch/riscv/include/asm/mmio.h:136:19: note: expanded from macro '__io_aw' #define __io_aw() mmiowb_set_pending() ^ include/asm-generic/mmiowb.h:61:31: note: expanded from macro 'mmiowb_set_pending' #define mmiowb_set_pending() do { } while (0) ^ drivers/scsi/ufs/ufshcd.c:6743:7: note: Assuming 'enabled_intr_status' is not equal to 0 if (enabled_intr_status) ^~~~~~~~~~~~~~~~~~~ drivers/scsi/ufs/ufshcd.c:6743:3: note: Taking true branch if (enabled_intr_status) ^ drivers/scsi/ufs/ufshcd.c:6744:14: note: Calling 'ufshcd_sl_intr' retval |= ufshcd_sl_intr(hba, enabled_intr_status); ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/scsi/ufs/ufshcd.c:6697:6: note: Assuming the condition is true if (intr_status & UFSHCD_UIC_MASK) ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/scsi/ufs/ufshcd.c:6697:2: note: Taking true branch if (intr_status & UFSHCD_UIC_MASK) ^ drivers/scsi/ufs/ufshcd.c:6698:13: note: Calling 'ufshcd_uic_cmd_compl' retval |= ufshcd_uic_cmd_compl(hba, intr_status); ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/scsi/ufs/ufshcd.c:5356:2: note: Taking false branch if (ufshcd_is_auto_hibern8_error(hba, intr_status)) ^ drivers/scsi/ufs/ufshcd.c:5359:7: note: Assuming the condition is true if ((intr_status & UIC_COMMAND_COMPL) && priv->active_uic_cmd) { ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/scsi/ufs/ufshcd.c:5359:6: note: Left side of '&&' is true if ((intr_status & UIC_COMMAND_COMPL) && priv->active_uic_cmd) { ^ drivers/scsi/ufs/ufshcd.c:5359:43: note: Assuming field 'active_uic_cmd' is null if ((intr_status & UIC_COMMAND_COMPL) && priv->active_uic_cmd) { ^~~~~~~~~~~~~~~~~~~~ drivers/scsi/ufs/ufshcd.c:5359:6: note: Assuming pointer value is null if ((intr_status & UIC_COMMAND_COMPL) && priv->active_uic_cmd) { ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/scsi/ufs/ufshcd.c:5359:2: note: Taking false branch if ((intr_status & UIC_COMMAND_COMPL) && priv->active_uic_cmd) { ^ drivers/scsi/ufs/ufshcd.c:5370:7: note: Assuming the condition is true if ((intr_status & UFSHCD_UIC_PWR_MASK) && priv->uic_async_done) { ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/scsi/ufs/ufshcd.c:5370:6: note: Left side of '&&' is true vim +/priv +690 drivers/scsi/ufs/ufshcd.c 5a0b0cb9bee767 Sujit Reddy Thumma 2013-07-30 681 2fbd009b40967f Seungwon Jeon 2013-06-26 682 /** 2fbd009b40967f Seungwon Jeon 2013-06-26 683 * ufshcd_get_intr_mask - Get the interrupt bit mask 8aa29f192ca675 Bart Van Assche 2018-03-01 684 * @hba: Pointer to adapter instance 2fbd009b40967f Seungwon Jeon 2013-06-26 685 * 2fbd009b40967f Seungwon Jeon 2013-06-26 686 * Returns interrupt bit mask per version 2fbd009b40967f Seungwon Jeon 2013-06-26 687 */ 2fbd009b40967f Seungwon Jeon 2013-06-26 688 static inline u32 ufshcd_get_intr_mask(struct ufs_hba *hba) 2fbd009b40967f Seungwon Jeon 2013-06-26 689 { 905917fe701f16 Bart Van Assche 2022-03-19 @690 struct ufs_hba_priv *priv = container_of(hba, typeof(*priv), hba); 905917fe701f16 Bart Van Assche 2022-03-19 691 5142881801786a Caleb Connolly 2021-03-10 692 if (hba->ufs_version == ufshci_version(1, 0)) 5142881801786a Caleb Connolly 2021-03-10 693 return INTERRUPT_MASK_ALL_VER_10; 5142881801786a Caleb Connolly 2021-03-10 694 if (hba->ufs_version <= ufshci_version(2, 0)) 5142881801786a Caleb Connolly 2021-03-10 695 return INTERRUPT_MASK_ALL_VER_11; c01848c67d48aa Yaniv Gardi 2016-12-05 696 5142881801786a Caleb Connolly 2021-03-10 697 return INTERRUPT_MASK_ALL_VER_21; 2fbd009b40967f Seungwon Jeon 2013-06-26 698 } 2fbd009b40967f Seungwon Jeon 2013-06-26 699 -- 0-DAY CI Kernel Test Service https://01.org/lkp _______________________________________________ kbuild mailing list -- kbuild@lists.01.org To unsubscribe send an email to kbuild-le...@lists.01.org
