tree: https://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs.git work.dcache head: e565b3bc8b39fae7d3c4093e012df87ba1eed599 commit: e565b3bc8b39fae7d3c4093e012df87ba1eed599 [16/16] d_prune_aliases(): use a shrink list config: um-allnoconfig (https://download.01.org/0day-ci/archive/20231104/202311041152.XK4svsNI-lkp@xxxxxxxxx/config) compiler: clang version 17.0.0 (https://github.com/llvm/llvm-project.git 4a5ac14ee968ff0ad5d2cc1ffa0299048db4c88a) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20231104/202311041152.XK4svsNI-lkp@xxxxxxxxx/reproduce) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot <lkp@xxxxxxxxx> | Closes: https://lore.kernel.org/oe-kbuild-all/202311041152.XK4svsNI-lkp@xxxxxxxxx/ All errors (new ones prefixed by >>): In file included from fs/dcache.c:31: In file included from include/linux/memblock.h:13: In file included from arch/um/include/asm/dma.h:5: In file included from arch/um/include/asm/io.h:24: include/asm-generic/io.h:547:31: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 547 | val = __raw_readb(PCI_IOBASE + addr); | ~~~~~~~~~~ ^ include/asm-generic/io.h:560:61: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 560 | val = __le16_to_cpu((__le16 __force)__raw_readw(PCI_IOBASE + addr)); | ~~~~~~~~~~ ^ include/uapi/linux/byteorder/little_endian.h:37:51: note: expanded from macro '__le16_to_cpu' 37 | #define __le16_to_cpu(x) ((__force __u16)(__le16)(x)) | ^ In file included from fs/dcache.c:31: In file included from include/linux/memblock.h:13: In file included from arch/um/include/asm/dma.h:5: In file included from arch/um/include/asm/io.h:24: include/asm-generic/io.h:573:61: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 573 | val = __le32_to_cpu((__le32 __force)__raw_readl(PCI_IOBASE + addr)); | ~~~~~~~~~~ ^ include/uapi/linux/byteorder/little_endian.h:35:51: note: expanded from macro '__le32_to_cpu' 35 | #define __le32_to_cpu(x) ((__force __u32)(__le32)(x)) | ^ In file included from fs/dcache.c:31: In file included from include/linux/memblock.h:13: In file included from arch/um/include/asm/dma.h:5: In file included from arch/um/include/asm/io.h:24: include/asm-generic/io.h:584:33: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 584 | __raw_writeb(value, PCI_IOBASE + addr); | ~~~~~~~~~~ ^ include/asm-generic/io.h:594:59: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 594 | __raw_writew((u16 __force)cpu_to_le16(value), PCI_IOBASE + addr); | ~~~~~~~~~~ ^ include/asm-generic/io.h:604:59: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 604 | __raw_writel((u32 __force)cpu_to_le32(value), PCI_IOBASE + addr); | ~~~~~~~~~~ ^ include/asm-generic/io.h:692:20: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 692 | readsb(PCI_IOBASE + addr, buffer, count); | ~~~~~~~~~~ ^ include/asm-generic/io.h:700:20: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 700 | readsw(PCI_IOBASE + addr, buffer, count); | ~~~~~~~~~~ ^ include/asm-generic/io.h:708:20: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 708 | readsl(PCI_IOBASE + addr, buffer, count); | ~~~~~~~~~~ ^ include/asm-generic/io.h:717:21: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 717 | writesb(PCI_IOBASE + addr, buffer, count); | ~~~~~~~~~~ ^ include/asm-generic/io.h:726:21: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 726 | writesw(PCI_IOBASE + addr, buffer, count); | ~~~~~~~~~~ ^ include/asm-generic/io.h:735:21: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 735 | writesl(PCI_IOBASE + addr, buffer, count); | ~~~~~~~~~~ ^ >> fs/dcache.c:1081:27: error: passing 'struct list_head' to parameter of incompatible type 'struct list_head *'; take the address with & 1081 | to_shrink_list(dentry, dispose); | ^~~~~~~ | & fs/dcache.c:898:69: note: passing argument to parameter 'list' here 898 | static void to_shrink_list(struct dentry *dentry, struct list_head *list) | ^ fs/dcache.c:1085:21: error: passing 'struct list_head' to parameter of incompatible type 'struct list_head *'; take the address with & 1085 | shrink_dentry_list(dispose); | ^~~~~~~ | & fs/internal.h:209:50: note: passing argument to parameter here 209 | extern void shrink_dentry_list(struct list_head *); | ^ 12 warnings and 2 errors generated. vim +1081 fs/dcache.c 1067 1068 /* 1069 * Try to kill dentries associated with this inode. 1070 * WARNING: you must own a reference to inode. 1071 */ 1072 void d_prune_aliases(struct inode *inode) 1073 { 1074 LIST_HEAD(dispose); 1075 struct dentry *dentry; 1076 1077 spin_lock(&inode->i_lock); 1078 hlist_for_each_entry(dentry, &inode->i_dentry, d_u.d_alias) { 1079 spin_lock(&dentry->d_lock); 1080 if (!dentry->d_lockref.count) > 1081 to_shrink_list(dentry, dispose); 1082 spin_unlock(&dentry->d_lock); 1083 } 1084 spin_unlock(&inode->i_lock); 1085 shrink_dentry_list(dispose); 1086 } 1087 EXPORT_SYMBOL(d_prune_aliases); 1088 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
