CC: [email protected] CC: [email protected] CC: [email protected] TO: Mauro Carvalho Chehab <[email protected]> CC: [email protected] CC: Bjorn Helgaas <[email protected]> CC: Lorenzo Pieralisi <[email protected]>
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: a763d5a5abd65797aec3dd1bf01fe2ccbec32967 commit: 61d37547436dce45e3590db72360df0e230ca969 PCI: kirin: Reorganize the PHY logic inside the driver date: 6 weeks ago :::::: branch date: 19 hours ago :::::: commit date: 6 weeks ago config: riscv-randconfig-c006-20211130 (https://download.01.org/0day-ci/archive/20211213/[email protected]/config) compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project 25eb7fa01d7ebbe67648ea03841cda55b4239ab2) 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://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=61d37547436dce45e3590db72360df0e230ca969 git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git git fetch --no-tags linus master git checkout 61d37547436dce45e3590db72360df0e230ca969 # 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 <[email protected]> clang-analyzer warnings: (new ones prefixed by >>) ^~~~ ~~~~~~~~~~~~~~~~~~~~~~~~ fs/xfs/libxfs/xfs_refcount.c:112:19: note: Value stored to 'agno' during its initialization is never read xfs_agnumber_t agno = cur->bc_ag.pag->pag_agno; ^~~~ ~~~~~~~~~~~~~~~~~~~~~~~~ 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. 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. 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. 6 warnings generated. drivers/pci/controller/dwc/pci-keystone.c:260:17: warning: Value stored to 'dev' during its initialization is never read [clang-analyzer-deadcode.DeadStores] struct device *dev = pci->dev; ^~~ ~~~~~~~~ drivers/pci/controller/dwc/pci-keystone.c:260:17: note: Value stored to 'dev' during its initialization is never read struct device *dev = pci->dev; ^~~ ~~~~~~~~ drivers/pci/controller/dwc/pci-keystone.c:578:17: warning: Value stored to 'dev' during its initialization is never read [clang-analyzer-deadcode.DeadStores] struct device *dev = pci->dev; ^~~ ~~~~~~~~ drivers/pci/controller/dwc/pci-keystone.c:578:17: note: Value stored to 'dev' during its initialization is never read struct device *dev = pci->dev; ^~~ ~~~~~~~~ drivers/pci/controller/dwc/pci-keystone.c:620:17: warning: Value stored to 'dev' during its initialization is never read [clang-analyzer-deadcode.DeadStores] struct device *dev = pci->dev; ^~~ ~~~~~~~~ drivers/pci/controller/dwc/pci-keystone.c:620:17: note: Value stored to 'dev' during its initialization is never read struct device *dev = pci->dev; ^~~ ~~~~~~~~ drivers/pci/controller/dwc/pci-keystone.c:1114:2: warning: Value stored to 'ep_ops' is never read [clang-analyzer-deadcode.DeadStores] ep_ops = data->ep_ops; ^ ~~~~~~~~~~~~ drivers/pci/controller/dwc/pci-keystone.c:1114:2: note: Value stored to 'ep_ops' is never read ep_ops = data->ep_ops; ^ ~~~~~~~~~~~~ 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/pci/controller/dwc/pcie-artpec6.c:243:18: warning: Value stored to 'pci' during its initialization is never read [clang-analyzer-deadcode.DeadStores] struct dw_pcie *pci = artpec6_pcie->pci; ^~~ ~~~~~~~~~~~~~~~~~ drivers/pci/controller/dwc/pcie-artpec6.c:243:18: note: Value stored to 'pci' during its initialization is never read struct dw_pcie *pci = artpec6_pcie->pci; ^~~ ~~~~~~~~~~~~~~~~~ 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/pci/controller/dwc/pcie-kirin.c:321:2: warning: Value stored to >> 'pdev' is never read [clang-analyzer-deadcode.DeadStores] pdev = container_of(dev, struct platform_device, dev); ^ drivers/pci/controller/dwc/pcie-kirin.c:321:2: note: Value stored to 'pdev' 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. 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. 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. fs/xfs/scrub/dabtree.c:90:47: warning: Access to field 'b_addr' results in a dereference of a null pointer (loaded from field 'bp') [clang-analyzer-core.NullDereference] xfs_da3_node_hdr_from_disk(ds->sc->mp, &hdr, blk->bp->b_addr); ^ fs/xfs/scrub/dabtree.c:485:29: note: Assuming 'whichfork' is not equal to 0 if (!xfs_ifork_has_extents(XFS_IFORK_PTR(sc->ip, whichfork))) ^ fs/xfs/libxfs/xfs_inode_fork.h:98:3: note: expanded from macro 'XFS_IFORK_PTR' ((w) == XFS_DATA_FORK ? \ ^~~~~~~~~~~~~~~~~~~~ fs/xfs/scrub/dabtree.c:485:29: note: '?' condition is false if (!xfs_ifork_has_extents(XFS_IFORK_PTR(sc->ip, whichfork))) ^ fs/xfs/libxfs/xfs_inode_fork.h:98:3: note: expanded from macro 'XFS_IFORK_PTR' ((w) == XFS_DATA_FORK ? \ ^ fs/xfs/scrub/dabtree.c:485:29: note: Assuming 'whichfork' is not equal to 1 if (!xfs_ifork_has_extents(XFS_IFORK_PTR(sc->ip, whichfork))) ^ fs/xfs/libxfs/xfs_inode_fork.h:100:4: note: expanded from macro 'XFS_IFORK_PTR' ((w) == XFS_ATTR_FORK ? \ ^~~~~~~~~~~~~~~~~~~~ fs/xfs/scrub/dabtree.c:485:29: note: '?' condition is false if (!xfs_ifork_has_extents(XFS_IFORK_PTR(sc->ip, whichfork))) ^ fs/xfs/libxfs/xfs_inode_fork.h:100:4: note: expanded from macro 'XFS_IFORK_PTR' ((w) == XFS_ATTR_FORK ? \ ^ fs/xfs/scrub/dabtree.c:485:2: note: Taking false branch if (!xfs_ifork_has_extents(XFS_IFORK_PTR(sc->ip, whichfork))) ^ fs/xfs/scrub/dabtree.c:496:6: note: 'whichfork' is not equal to XFS_ATTR_FORK if (whichfork == XFS_ATTR_FORK) { ^~~~~~~~~ fs/xfs/scrub/dabtree.c:496:2: note: Taking false branch if (whichfork == XFS_ATTR_FORK) { ^ fs/xfs/scrub/dabtree.c:511:6: note: 'error' is 0 if (error) ^~~~~ fs/xfs/scrub/dabtree.c:511:2: note: Taking false branch if (error) ^ fs/xfs/scrub/dabtree.c:518:6: note: Assuming field 'bp' is not equal to NULL if (blks[level].bp == NULL) ^~~~~~~~~~~~~~~~~~~~~~ fs/xfs/scrub/dabtree.c:518:2: note: Taking false branch if (blks[level].bp == NULL) ^ fs/xfs/scrub/dabtree.c:522:9: note: 'level' is >= 0 while (level >= 0 && level < XFS_DA_NODE_MAXDEPTH) { ^~~~~ fs/xfs/scrub/dabtree.c:522:9: note: Left side of '&&' is true fs/xfs/scrub/dabtree.c:522:2: note: Loop condition is true. Entering loop body while (level >= 0 && level < XFS_DA_NODE_MAXDEPTH) { ^ fs/xfs/scrub/dabtree.c:524:7: note: Assuming field 'magic' is equal to XFS_DA_NODE_MAGIC if (blks[level].magic != XFS_DA_NODE_MAGIC) { ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ fs/xfs/scrub/dabtree.c:524:3: note: Taking false branch if (blks[level].magic != XFS_DA_NODE_MAGIC) { ^ vim +/pdev +321 drivers/pci/controller/dwc/pcie-kirin.c 61d37547436dce drivers/pci/controller/dwc/pcie-kirin.c Mauro Carvalho Chehab 2021-10-21 305 61d37547436dce drivers/pci/controller/dwc/pcie-kirin.c Mauro Carvalho Chehab 2021-10-21 306 static int hi3660_pcie_phy_init(struct platform_device *pdev, 61d37547436dce drivers/pci/controller/dwc/pcie-kirin.c Mauro Carvalho Chehab 2021-10-21 307 struct kirin_pcie *pcie) 61d37547436dce drivers/pci/controller/dwc/pcie-kirin.c Mauro Carvalho Chehab 2021-10-21 308 { 61d37547436dce drivers/pci/controller/dwc/pcie-kirin.c Mauro Carvalho Chehab 2021-10-21 309 struct device *dev = &pdev->dev; 61d37547436dce drivers/pci/controller/dwc/pcie-kirin.c Mauro Carvalho Chehab 2021-10-21 310 struct hi3660_pcie_phy *phy; 61d37547436dce drivers/pci/controller/dwc/pcie-kirin.c Mauro Carvalho Chehab 2021-10-21 311 int ret; 61d37547436dce drivers/pci/controller/dwc/pcie-kirin.c Mauro Carvalho Chehab 2021-10-21 312 61d37547436dce drivers/pci/controller/dwc/pcie-kirin.c Mauro Carvalho Chehab 2021-10-21 313 phy = devm_kzalloc(dev, sizeof(*phy), GFP_KERNEL); 61d37547436dce drivers/pci/controller/dwc/pcie-kirin.c Mauro Carvalho Chehab 2021-10-21 314 if (!phy) 61d37547436dce drivers/pci/controller/dwc/pcie-kirin.c Mauro Carvalho Chehab 2021-10-21 315 return -ENOMEM; 61d37547436dce drivers/pci/controller/dwc/pcie-kirin.c Mauro Carvalho Chehab 2021-10-21 316 61d37547436dce drivers/pci/controller/dwc/pcie-kirin.c Mauro Carvalho Chehab 2021-10-21 317 pcie->phy_priv = phy; 61d37547436dce drivers/pci/controller/dwc/pcie-kirin.c Mauro Carvalho Chehab 2021-10-21 318 phy->dev = dev; 61d37547436dce drivers/pci/controller/dwc/pcie-kirin.c Mauro Carvalho Chehab 2021-10-21 319 61d37547436dce drivers/pci/controller/dwc/pcie-kirin.c Mauro Carvalho Chehab 2021-10-21 320 /* registers */ 61d37547436dce drivers/pci/controller/dwc/pcie-kirin.c Mauro Carvalho Chehab 2021-10-21 @321 pdev = container_of(dev, struct platform_device, dev); 61d37547436dce drivers/pci/controller/dwc/pcie-kirin.c Mauro Carvalho Chehab 2021-10-21 322 61d37547436dce drivers/pci/controller/dwc/pcie-kirin.c Mauro Carvalho Chehab 2021-10-21 323 ret = hi3660_pcie_phy_get_clk(phy); 61d37547436dce drivers/pci/controller/dwc/pcie-kirin.c Mauro Carvalho Chehab 2021-10-21 324 if (ret) fc5165db245ac4 drivers/pci/dwc/pcie-kirin.c Xiaowei Song 2017-06-19 325 return ret; 61d37547436dce drivers/pci/controller/dwc/pcie-kirin.c Mauro Carvalho Chehab 2021-10-21 326 61d37547436dce drivers/pci/controller/dwc/pcie-kirin.c Mauro Carvalho Chehab 2021-10-21 327 return hi3660_pcie_phy_get_resource(phy); 61d37547436dce drivers/pci/controller/dwc/pcie-kirin.c Mauro Carvalho Chehab 2021-10-21 328 } 61d37547436dce drivers/pci/controller/dwc/pcie-kirin.c Mauro Carvalho Chehab 2021-10-21 329 --- 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]
