tree: https://git.kernel.org/pub/scm/linux/kernel/git/arnd/asm-generic.git syscall-tbl-6.11 head: 9a99991d90521113a738c2a4761a4147fe4b31ca commit: d079d82a6231c5cb40ba4b46f9d0634a36051523 [92/98] syscalls: check syscall prototypes config: um-allnoconfig (https://download.01.org/0day-ci/archive/20240718/202407180559.Fx7UMDJy-lkp@xxxxxxxxx/config) compiler: clang version 17.0.6 (https://github.com/llvm/llvm-project 6009708b4367171ccdbf4b5905cb6a803753fe18) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240718/202407180559.Fx7UMDJy-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/202407180559.Fx7UMDJy-lkp@xxxxxxxxx/ All warnings (new ones prefixed by >>): In file included from block/ioprio.c:27: In file included from include/linux/blkdev.h:9: In file included from include/linux/blk_types.h:10: In file included from include/linux/bvec.h:10: In file included from include/linux/highmem.h:12: In file included from include/linux/hardirq.h:11: In file included from arch/um/include/asm/hardirq.h:5: In file included from include/asm-generic/hardirq.h:17: In file included from include/linux/irq.h:20: In file included from include/linux/io.h:14: In file included from arch/um/include/asm/io.h:24: include/asm-generic/io.h:548:31: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 548 | val = __raw_readb(PCI_IOBASE + addr); | ~~~~~~~~~~ ^ include/asm-generic/io.h:561:61: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 561 | 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 block/ioprio.c:27: In file included from include/linux/blkdev.h:9: In file included from include/linux/blk_types.h:10: In file included from include/linux/bvec.h:10: In file included from include/linux/highmem.h:12: In file included from include/linux/hardirq.h:11: In file included from arch/um/include/asm/hardirq.h:5: In file included from include/asm-generic/hardirq.h:17: In file included from include/linux/irq.h:20: In file included from include/linux/io.h:14: In file included from arch/um/include/asm/io.h:24: include/asm-generic/io.h:574:61: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 574 | 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 block/ioprio.c:27: In file included from include/linux/blkdev.h:9: In file included from include/linux/blk_types.h:10: In file included from include/linux/bvec.h:10: In file included from include/linux/highmem.h:12: In file included from include/linux/hardirq.h:11: In file included from arch/um/include/asm/hardirq.h:5: In file included from include/asm-generic/hardirq.h:17: In file included from include/linux/irq.h:20: In file included from include/linux/io.h:14: In file included from arch/um/include/asm/io.h:24: include/asm-generic/io.h:585:33: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 585 | __raw_writeb(value, PCI_IOBASE + addr); | ~~~~~~~~~~ ^ include/asm-generic/io.h:595:59: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 595 | __raw_writew((u16 __force)cpu_to_le16(value), PCI_IOBASE + addr); | ~~~~~~~~~~ ^ include/asm-generic/io.h:605:59: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 605 | __raw_writel((u32 __force)cpu_to_le32(value), PCI_IOBASE + addr); | ~~~~~~~~~~ ^ include/asm-generic/io.h:693:20: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 693 | readsb(PCI_IOBASE + addr, buffer, count); | ~~~~~~~~~~ ^ include/asm-generic/io.h:701:20: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 701 | readsw(PCI_IOBASE + addr, buffer, count); | ~~~~~~~~~~ ^ include/asm-generic/io.h:709:20: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 709 | readsl(PCI_IOBASE + addr, buffer, count); | ~~~~~~~~~~ ^ include/asm-generic/io.h:718:21: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 718 | writesb(PCI_IOBASE + addr, buffer, count); | ~~~~~~~~~~ ^ include/asm-generic/io.h:727:21: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 727 | writesw(PCI_IOBASE + addr, buffer, count); | ~~~~~~~~~~ ^ include/asm-generic/io.h:736:21: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 736 | writesl(PCI_IOBASE + addr, buffer, count); | ~~~~~~~~~~ ^ >> block/ioprio.c:69:1: warning: comparison of distinct pointer types ('long (*)(int, int, int)' and 'long (*)(int, int, int)') [-Wcompare-distinct-pointer-types] 69 | SYSCALL_DEFINE3(ioprio_set, int, which, int, who, int, ioprio) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/syscalls.h:217:36: note: expanded from macro 'SYSCALL_DEFINE3' 217 | #define SYSCALL_DEFINE3(name, ...) SYSCALL_DEFINEx(3, _##name, __VA_ARGS__) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/syscalls.h:228:2: note: expanded from macro 'SYSCALL_DEFINEx' 228 | __SYSCALL_DEFINEx(x, sname, __VA_ARGS__) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/syscalls.h:245:25: note: expanded from macro '__SYSCALL_DEFINEx' 245 | (void)(__do_sys##name == sys##name); \ | ~~~~~~~~~~~~~~ ^ ~~~~~~~~~ >> block/ioprio.c:184:1: warning: comparison of distinct pointer types ('long (*)(int, int)' and 'long (*)(int, int)') [-Wcompare-distinct-pointer-types] 184 | SYSCALL_DEFINE2(ioprio_get, int, which, int, who) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/syscalls.h:216:36: note: expanded from macro 'SYSCALL_DEFINE2' 216 | #define SYSCALL_DEFINE2(name, ...) SYSCALL_DEFINEx(2, _##name, __VA_ARGS__) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/syscalls.h:228:2: note: expanded from macro 'SYSCALL_DEFINEx' 228 | __SYSCALL_DEFINEx(x, sname, __VA_ARGS__) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/syscalls.h:245:25: note: expanded from macro '__SYSCALL_DEFINEx' 245 | (void)(__do_sys##name == sys##name); \ | ~~~~~~~~~~~~~~ ^ ~~~~~~~~~ 14 warnings generated. -- In file included from fs/open.c:14: In file included from include/linux/tty.h:11: In file included from include/linux/tty_port.h:5: In file included from include/linux/kfifo.h:40: In file included from include/linux/dma-mapping.h:11: In file included from include/linux/scatterlist.h:9: In file included from arch/um/include/asm/io.h:24: include/asm-generic/io.h:548:31: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 548 | val = __raw_readb(PCI_IOBASE + addr); | ~~~~~~~~~~ ^ include/asm-generic/io.h:561:61: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 561 | 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/open.c:14: In file included from include/linux/tty.h:11: In file included from include/linux/tty_port.h:5: In file included from include/linux/kfifo.h:40: In file included from include/linux/dma-mapping.h:11: In file included from include/linux/scatterlist.h:9: In file included from arch/um/include/asm/io.h:24: include/asm-generic/io.h:574:61: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 574 | 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/open.c:14: In file included from include/linux/tty.h:11: In file included from include/linux/tty_port.h:5: In file included from include/linux/kfifo.h:40: In file included from include/linux/dma-mapping.h:11: In file included from include/linux/scatterlist.h:9: In file included from arch/um/include/asm/io.h:24: include/asm-generic/io.h:585:33: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 585 | __raw_writeb(value, PCI_IOBASE + addr); | ~~~~~~~~~~ ^ include/asm-generic/io.h:595:59: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 595 | __raw_writew((u16 __force)cpu_to_le16(value), PCI_IOBASE + addr); | ~~~~~~~~~~ ^ include/asm-generic/io.h:605:59: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 605 | __raw_writel((u32 __force)cpu_to_le32(value), PCI_IOBASE + addr); | ~~~~~~~~~~ ^ include/asm-generic/io.h:693:20: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 693 | readsb(PCI_IOBASE + addr, buffer, count); | ~~~~~~~~~~ ^ include/asm-generic/io.h:701:20: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 701 | readsw(PCI_IOBASE + addr, buffer, count); | ~~~~~~~~~~ ^ include/asm-generic/io.h:709:20: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 709 | readsl(PCI_IOBASE + addr, buffer, count); | ~~~~~~~~~~ ^ include/asm-generic/io.h:718:21: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 718 | writesb(PCI_IOBASE + addr, buffer, count); | ~~~~~~~~~~ ^ include/asm-generic/io.h:727:21: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 727 | writesw(PCI_IOBASE + addr, buffer, count); | ~~~~~~~~~~ ^ include/asm-generic/io.h:736:21: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 736 | writesl(PCI_IOBASE + addr, buffer, count); | ~~~~~~~~~~ ^ >> fs/open.c:144:1: warning: comparison of distinct pointer types ('long (*)(const char *, long)' and 'long (*)(const char *, long)') [-Wcompare-distinct-pointer-types] 144 | SYSCALL_DEFINE2(truncate, const char __user *, path, long, length) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/syscalls.h:216:36: note: expanded from macro 'SYSCALL_DEFINE2' 216 | #define SYSCALL_DEFINE2(name, ...) SYSCALL_DEFINEx(2, _##name, __VA_ARGS__) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/syscalls.h:228:2: note: expanded from macro 'SYSCALL_DEFINEx' 228 | __SYSCALL_DEFINEx(x, sname, __VA_ARGS__) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/syscalls.h:245:25: note: expanded from macro '__SYSCALL_DEFINEx' 245 | (void)(__do_sys##name == sys##name); \ | ~~~~~~~~~~~~~~ ^ ~~~~~~~~~ >> fs/open.c:205:1: warning: comparison of distinct pointer types ('long (*)(unsigned int, off_t)' (aka 'long (*)(unsigned int, long)') and 'long (*)(unsigned int, off_t)' (aka 'long (*)(unsigned int, long)')) [-Wcompare-distinct-pointer-types] 205 | SYSCALL_DEFINE2(ftruncate, unsigned int, fd, off_t, length) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/syscalls.h:216:36: note: expanded from macro 'SYSCALL_DEFINE2' 216 | #define SYSCALL_DEFINE2(name, ...) SYSCALL_DEFINEx(2, _##name, __VA_ARGS__) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/syscalls.h:228:2: note: expanded from macro 'SYSCALL_DEFINEx' 228 | __SYSCALL_DEFINEx(x, sname, __VA_ARGS__) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/syscalls.h:245:25: note: expanded from macro '__SYSCALL_DEFINEx' 245 | (void)(__do_sys##name == sys##name); \ | ~~~~~~~~~~~~~~ ^ ~~~~~~~~~ >> fs/open.c:220:1: warning: comparison of distinct pointer types ('long (*)(const char *, u32, u32)' (aka 'long (*)(const char *, unsigned int, unsigned int)') and 'long (*)(const char *, u32, u32)' (aka 'long (*)(const char *, unsigned int, unsigned int)')) [-Wcompare-distinct-pointer-types] 220 | SYSCALL_DEFINE3(truncate3, const char __user *, pathname, SC_ARG64(length)) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/syscalls.h:217:36: note: expanded from macro 'SYSCALL_DEFINE3' 217 | #define SYSCALL_DEFINE3(name, ...) SYSCALL_DEFINEx(3, _##name, __VA_ARGS__) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/syscalls.h:228:2: note: expanded from macro 'SYSCALL_DEFINEx' 228 | __SYSCALL_DEFINEx(x, sname, __VA_ARGS__) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/syscalls.h:245:25: note: expanded from macro '__SYSCALL_DEFINEx' 245 | (void)(__do_sys##name == sys##name); \ | ~~~~~~~~~~~~~~ ^ ~~~~~~~~~ >> fs/open.c:234:1: warning: comparison of distinct pointer types ('long (*)(unsigned int, u32, u32)' (aka 'long (*)(unsigned int, unsigned int, unsigned int)') and 'long (*)(unsigned int, u32, u32)' (aka 'long (*)(unsigned int, unsigned int, unsigned int)')) [-Wcompare-distinct-pointer-types] 234 | SYSCALL_DEFINE3(ftruncate3, unsigned int, fd, SC_ARG64(length)) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/syscalls.h:217:36: note: expanded from macro 'SYSCALL_DEFINE3' 217 | #define SYSCALL_DEFINE3(name, ...) SYSCALL_DEFINEx(3, _##name, __VA_ARGS__) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/syscalls.h:228:2: note: expanded from macro 'SYSCALL_DEFINEx' 228 | __SYSCALL_DEFINEx(x, sname, __VA_ARGS__) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/syscalls.h:245:25: note: expanded from macro '__SYSCALL_DEFINEx' 245 | (void)(__do_sys##name == sys##name); \ | ~~~~~~~~~~~~~~ ^ ~~~~~~~~~ >> fs/open.c:369:1: warning: comparison of distinct pointer types ('long (*)(int, int, u32, u32, u32, u32)' (aka 'long (*)(int, int, unsigned int, unsigned int, unsigned int, unsigned int)') and 'long (*)(int, int, u32, u32, u32, u32)' (aka 'long (*)(int, int, unsigned int, unsigned int, unsigned int, unsigned int)')) [-Wcompare-distinct-pointer-types] 369 | SYSCALL_DEFINE6(fallocate6, int, fd, int, mode, SC_ARG64(offset), | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 370 | SC_ARG64(len)) | ~~~~~~~~~~~~~~ include/linux/syscalls.h:220:36: note: expanded from macro 'SYSCALL_DEFINE6' 220 | #define SYSCALL_DEFINE6(name, ...) SYSCALL_DEFINEx(6, _##name, __VA_ARGS__) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/syscalls.h:228:2: note: expanded from macro 'SYSCALL_DEFINEx' 228 | __SYSCALL_DEFINEx(x, sname, __VA_ARGS__) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/syscalls.h:245:25: note: expanded from macro '__SYSCALL_DEFINEx' 245 | (void)(__do_sys##name == sys##name); \ | ~~~~~~~~~~~~~~ ^ ~~~~~~~~~ >> fs/open.c:540:1: warning: comparison of distinct pointer types ('long (*)(int, const char *, int)' and 'long (*)(int, const char *, int)') [-Wcompare-distinct-pointer-types] 540 | SYSCALL_DEFINE3(faccessat, int, dfd, const char __user *, filename, int, mode) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/syscalls.h:217:36: note: expanded from macro 'SYSCALL_DEFINE3' 217 | #define SYSCALL_DEFINE3(name, ...) SYSCALL_DEFINEx(3, _##name, __VA_ARGS__) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/syscalls.h:228:2: note: expanded from macro 'SYSCALL_DEFINEx' 228 | __SYSCALL_DEFINEx(x, sname, __VA_ARGS__) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/syscalls.h:245:25: note: expanded from macro '__SYSCALL_DEFINEx' 245 | (void)(__do_sys##name == sys##name); \ | ~~~~~~~~~~~~~~ ^ ~~~~~~~~~ >> fs/open.c:545:1: warning: comparison of distinct pointer types ('long (*)(int, const char *, int, int)' and 'long (*)(int, const char *, int, int)') [-Wcompare-distinct-pointer-types] 545 | SYSCALL_DEFINE4(faccessat2, int, dfd, const char __user *, filename, int, mode, | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 546 | int, flags) | ~~~~~~~~~~~ include/linux/syscalls.h:218:36: note: expanded from macro 'SYSCALL_DEFINE4' 218 | #define SYSCALL_DEFINE4(name, ...) SYSCALL_DEFINEx(4, _##name, __VA_ARGS__) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/syscalls.h:228:2: note: expanded from macro 'SYSCALL_DEFINEx' 228 | __SYSCALL_DEFINEx(x, sname, __VA_ARGS__) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/syscalls.h:245:25: note: expanded from macro '__SYSCALL_DEFINEx' 245 | (void)(__do_sys##name == sys##name); \ | ~~~~~~~~~~~~~~ ^ ~~~~~~~~~ >> fs/open.c:551:1: warning: comparison of distinct pointer types ('long (*)(const char *, int)' and 'long (*)(const char *, int)') [-Wcompare-distinct-pointer-types] 551 | SYSCALL_DEFINE2(access, const char __user *, filename, int, mode) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/syscalls.h:216:36: note: expanded from macro 'SYSCALL_DEFINE2' 216 | #define SYSCALL_DEFINE2(name, ...) SYSCALL_DEFINEx(2, _##name, __VA_ARGS__) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/syscalls.h:228:2: note: expanded from macro 'SYSCALL_DEFINEx' 228 | __SYSCALL_DEFINEx(x, sname, __VA_ARGS__) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/syscalls.h:245:25: note: expanded from macro '__SYSCALL_DEFINEx' 245 | (void)(__do_sys##name == sys##name); \ | ~~~~~~~~~~~~~~ ^ ~~~~~~~~~ >> fs/open.c:556:1: warning: comparison of distinct pointer types ('long (*)(const char *)' and 'long (*)(const char *)') [-Wcompare-distinct-pointer-types] 556 | SYSCALL_DEFINE1(chdir, const char __user *, filename) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/syscalls.h:215:36: note: expanded from macro 'SYSCALL_DEFINE1' 215 | #define SYSCALL_DEFINE1(name, ...) SYSCALL_DEFINEx(1, _##name, __VA_ARGS__) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/syscalls.h:228:2: note: expanded from macro 'SYSCALL_DEFINEx' 228 | __SYSCALL_DEFINEx(x, sname, __VA_ARGS__) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/syscalls.h:245:25: note: expanded from macro '__SYSCALL_DEFINEx' 245 | (void)(__do_sys##name == sys##name); \ | ~~~~~~~~~~~~~~ ^ ~~~~~~~~~ >> fs/open.c:582:1: warning: comparison of distinct pointer types ('long (*)(unsigned int)' and 'long (*)(unsigned int)') [-Wcompare-distinct-pointer-types] 582 | SYSCALL_DEFINE1(fchdir, unsigned int, fd) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/syscalls.h:215:36: note: expanded from macro 'SYSCALL_DEFINE1' 215 | #define SYSCALL_DEFINE1(name, ...) SYSCALL_DEFINEx(1, _##name, __VA_ARGS__) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/syscalls.h:228:2: note: expanded from macro 'SYSCALL_DEFINEx' 228 | __SYSCALL_DEFINEx(x, sname, __VA_ARGS__) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/syscalls.h:245:25: note: expanded from macro '__SYSCALL_DEFINEx' 245 | (void)(__do_sys##name == sys##name); \ | ~~~~~~~~~~~~~~ ^ ~~~~~~~~~ fs/open.c:604:1: warning: comparison of distinct pointer types ('long (*)(const char *)' and 'long (*)(const char *)') [-Wcompare-distinct-pointer-types] 604 | SYSCALL_DEFINE1(chroot, const char __user *, filename) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/syscalls.h:215:36: note: expanded from macro 'SYSCALL_DEFINE1' 215 | #define SYSCALL_DEFINE1(name, ...) SYSCALL_DEFINEx(1, _##name, __VA_ARGS__) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/syscalls.h:228:2: note: expanded from macro 'SYSCALL_DEFINEx' 228 | __SYSCALL_DEFINEx(x, sname, __VA_ARGS__) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/syscalls.h:245:25: note: expanded from macro '__SYSCALL_DEFINEx' 245 | (void)(__do_sys##name == sys##name); \ | ~~~~~~~~~~~~~~ ^ ~~~~~~~~~ >> fs/open.c:673:1: warning: comparison of distinct pointer types ('long (*)(unsigned int, umode_t)' (aka 'long (*)(unsigned int, unsigned short)') and 'long (*)(unsigned int, umode_t)' (aka 'long (*)(unsigned int, unsigned short)')) [-Wcompare-distinct-pointer-types] 673 | SYSCALL_DEFINE2(fchmod, unsigned int, fd, umode_t, mode) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/syscalls.h:216:36: note: expanded from macro 'SYSCALL_DEFINE2' 216 | #define SYSCALL_DEFINE2(name, ...) SYSCALL_DEFINEx(2, _##name, __VA_ARGS__) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/syscalls.h:228:2: note: expanded from macro 'SYSCALL_DEFINEx' 228 | __SYSCALL_DEFINEx(x, sname, __VA_ARGS__) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/syscalls.h:245:25: note: expanded from macro '__SYSCALL_DEFINEx' 245 | (void)(__do_sys##name == sys##name); \ | ~~~~~~~~~~~~~~ ^ ~~~~~~~~~ >> fs/open.c:712:1: warning: comparison of distinct pointer types ('long (*)(int, const char *, umode_t, unsigned int)' (aka 'long (*)(int, const char *, unsigned short, unsigned int)') and 'long (*)(int, const char *, umode_t, unsigned int)' (aka 'long (*)(int, const char *, unsigned short, unsigned int)')) [-Wcompare-distinct-pointer-types] 712 | SYSCALL_DEFINE4(fchmodat2, int, dfd, const char __user *, filename, | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 713 | umode_t, mode, unsigned int, flags) | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/syscalls.h:218:36: note: expanded from macro 'SYSCALL_DEFINE4' 218 | #define SYSCALL_DEFINE4(name, ...) SYSCALL_DEFINEx(4, _##name, __VA_ARGS__) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/syscalls.h:228:2: note: expanded from macro 'SYSCALL_DEFINEx' 228 | __SYSCALL_DEFINEx(x, sname, __VA_ARGS__) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/syscalls.h:245:25: note: expanded from macro '__SYSCALL_DEFINEx' 245 | (void)(__do_sys##name == sys##name); \ | ~~~~~~~~~~~~~~ ^ ~~~~~~~~~ >> fs/open.c:718:1: warning: comparison of distinct pointer types ('long (*)(int, const char *, umode_t)' (aka 'long (*)(int, const char *, unsigned short)') and 'long (*)(int, const char *, umode_t)' (aka 'long (*)(int, const char *, unsigned short)')) [-Wcompare-distinct-pointer-types] 718 | SYSCALL_DEFINE3(fchmodat, int, dfd, const char __user *, filename, | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 719 | umode_t, mode) | ~~~~~~~~~~~~~~ include/linux/syscalls.h:217:36: note: expanded from macro 'SYSCALL_DEFINE3' 217 | #define SYSCALL_DEFINE3(name, ...) SYSCALL_DEFINEx(3, _##name, __VA_ARGS__) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/syscalls.h:228:2: note: expanded from macro 'SYSCALL_DEFINEx' 228 | __SYSCALL_DEFINEx(x, sname, __VA_ARGS__) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/syscalls.h:245:25: note: expanded from macro '__SYSCALL_DEFINEx' 245 | (void)(__do_sys##name == sys##name); \ | ~~~~~~~~~~~~~~ ^ ~~~~~~~~~ >> fs/open.c:724:1: warning: comparison of distinct pointer types ('long (*)(const char *, umode_t)' (aka 'long (*)(const char *, unsigned short)') and 'long (*)(const char *, umode_t)' (aka 'long (*)(const char *, unsigned short)')) [-Wcompare-distinct-pointer-types] 724 | SYSCALL_DEFINE2(chmod, const char __user *, filename, umode_t, mode) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/syscalls.h:216:36: note: expanded from macro 'SYSCALL_DEFINE2' 216 | #define SYSCALL_DEFINE2(name, ...) SYSCALL_DEFINEx(2, _##name, __VA_ARGS__) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/syscalls.h:228:2: note: expanded from macro 'SYSCALL_DEFINEx' 228 | __SYSCALL_DEFINEx(x, sname, __VA_ARGS__) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/syscalls.h:245:25: note: expanded from macro '__SYSCALL_DEFINEx' 245 | (void)(__do_sys##name == sys##name); \ | ~~~~~~~~~~~~~~ ^ ~~~~~~~~~ >> fs/open.c:837:1: warning: comparison of distinct pointer types ('long (*)(int, const char *, uid_t, gid_t, int)' (aka 'long (*)(int, const char *, unsigned int, unsigned int, int)') and 'long (*)(int, const char *, uid_t, gid_t, int)' (aka 'long (*)(int, const char *, unsigned int, unsigned int, int)')) [-Wcompare-distinct-pointer-types] 837 | SYSCALL_DEFINE5(fchownat, int, dfd, const char __user *, filename, uid_t, user, | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 838 | gid_t, group, int, flag) | ~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/syscalls.h:219:36: note: expanded from macro 'SYSCALL_DEFINE5' 219 | #define SYSCALL_DEFINE5(name, ...) SYSCALL_DEFINEx(5, _##name, __VA_ARGS__) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/syscalls.h:228:2: note: expanded from macro 'SYSCALL_DEFINEx' 228 | __SYSCALL_DEFINEx(x, sname, __VA_ARGS__) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/syscalls.h:245:25: note: expanded from macro '__SYSCALL_DEFINEx' 245 | (void)(__do_sys##name == sys##name); \ | ~~~~~~~~~~~~~~ ^ ~~~~~~~~~ >> fs/open.c:843:1: warning: comparison of distinct pointer types ('long (*)(const char *, uid_t, gid_t)' (aka 'long (*)(const char *, unsigned int, unsigned int)') and 'long (*)(const char *, uid_t, gid_t)' (aka 'long (*)(const char *, unsigned int, unsigned int)')) [-Wcompare-distinct-pointer-types] 843 | SYSCALL_DEFINE3(chown, const char __user *, filename, uid_t, user, gid_t, group) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/syscalls.h:217:36: note: expanded from macro 'SYSCALL_DEFINE3' 217 | #define SYSCALL_DEFINE3(name, ...) SYSCALL_DEFINEx(3, _##name, __VA_ARGS__) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/syscalls.h:228:2: note: expanded from macro 'SYSCALL_DEFINEx' 228 | __SYSCALL_DEFINEx(x, sname, __VA_ARGS__) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/syscalls.h:245:25: note: expanded from macro '__SYSCALL_DEFINEx' 245 | (void)(__do_sys##name == sys##name); \ | ~~~~~~~~~~~~~~ ^ ~~~~~~~~~ fs/open.c:848:1: warning: comparison of distinct pointer types ('long (*)(const char *, uid_t, gid_t)' (aka 'long (*)(const char *, unsigned int, unsigned int)') and 'long (*)(const char *, uid_t, gid_t)' (aka 'long (*)(const char *, unsigned int, unsigned int)')) [-Wcompare-distinct-pointer-types] 848 | SYSCALL_DEFINE3(lchown, const char __user *, filename, uid_t, user, gid_t, group) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/syscalls.h:217:36: note: expanded from macro 'SYSCALL_DEFINE3' 217 | #define SYSCALL_DEFINE3(name, ...) SYSCALL_DEFINEx(3, _##name, __VA_ARGS__) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/syscalls.h:228:2: note: expanded from macro 'SYSCALL_DEFINEx' 228 | __SYSCALL_DEFINEx(x, sname, __VA_ARGS__) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/syscalls.h:245:25: note: expanded from macro '__SYSCALL_DEFINEx' 245 | (void)(__do_sys##name == sys##name); \ | ~~~~~~~~~~~~~~ ^ ~~~~~~~~~ >> fs/open.c:879:1: warning: comparison of distinct pointer types ('long (*)(unsigned int, uid_t, gid_t)' (aka 'long (*)(unsigned int, unsigned int, unsigned int)') and 'long (*)(unsigned int, uid_t, gid_t)' (aka 'long (*)(unsigned int, unsigned int, unsigned int)')) [-Wcompare-distinct-pointer-types] 879 | SYSCALL_DEFINE3(fchown, unsigned int, fd, uid_t, user, gid_t, group) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/syscalls.h:217:36: note: expanded from macro 'SYSCALL_DEFINE3' 217 | #define SYSCALL_DEFINE3(name, ...) SYSCALL_DEFINEx(3, _##name, __VA_ARGS__) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/syscalls.h:228:2: note: expanded from macro 'SYSCALL_DEFINEx' 228 | __SYSCALL_DEFINEx(x, sname, __VA_ARGS__) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/syscalls.h:245:25: note: expanded from macro '__SYSCALL_DEFINEx' 245 | (void)(__do_sys##name == sys##name); \ | ~~~~~~~~~~~~~~ ^ ~~~~~~~~~ >> fs/open.c:1428:1: warning: comparison of distinct pointer types ('long (*)(const char *, int, umode_t)' (aka 'long (*)(const char *, int, unsigned short)') and 'long (*)(const char *, int, umode_t)' (aka 'long (*)(const char *, int, unsigned short)')) [-Wcompare-distinct-pointer-types] 1428 | SYSCALL_DEFINE3(open, const char __user *, filename, int, flags, umode_t, mode) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/syscalls.h:217:36: note: expanded from macro 'SYSCALL_DEFINE3' 217 | #define SYSCALL_DEFINE3(name, ...) SYSCALL_DEFINEx(3, _##name, __VA_ARGS__) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/syscalls.h:228:2: note: expanded from macro 'SYSCALL_DEFINEx' 228 | __SYSCALL_DEFINEx(x, sname, __VA_ARGS__) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/syscalls.h:245:25: note: expanded from macro '__SYSCALL_DEFINEx' 245 | (void)(__do_sys##name == sys##name); \ | ~~~~~~~~~~~~~~ ^ ~~~~~~~~~ >> fs/open.c:1435:1: warning: comparison of distinct pointer types ('long (*)(int, const char *, int, umode_t)' (aka 'long (*)(int, const char *, int, unsigned short)') and 'long (*)(int, const char *, int, umode_t)' (aka 'long (*)(int, const char *, int, unsigned short)')) [-Wcompare-distinct-pointer-types] 1435 | SYSCALL_DEFINE4(openat, int, dfd, const char __user *, filename, int, flags, | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 1436 | umode_t, mode) | ~~~~~~~~~~~~~~ include/linux/syscalls.h:218:36: note: expanded from macro 'SYSCALL_DEFINE4' 218 | #define SYSCALL_DEFINE4(name, ...) SYSCALL_DEFINEx(4, _##name, __VA_ARGS__) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/syscalls.h:228:2: note: expanded from macro 'SYSCALL_DEFINEx' 228 | __SYSCALL_DEFINEx(x, sname, __VA_ARGS__) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/syscalls.h:245:25: note: expanded from macro '__SYSCALL_DEFINEx' 245 | (void)(__do_sys##name == sys##name); \ | ~~~~~~~~~~~~~~ ^ ~~~~~~~~~ >> fs/open.c:1443:1: warning: comparison of distinct pointer types ('long (*)(int, const char *, struct open_how *, size_t)' (aka 'long (*)(int, const char *, struct open_how *, unsigned int)') and 'long (*)(int, const char *, struct open_how *, size_t)' (aka 'long (*)(int, const char *, struct open_how *, unsigned int)')) [-Wcompare-distinct-pointer-types] 1443 | SYSCALL_DEFINE4(openat2, int, dfd, const char __user *, filename, | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 1444 | struct open_how __user *, how, size_t, usize) | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/syscalls.h:218:36: note: expanded from macro 'SYSCALL_DEFINE4' 218 | #define SYSCALL_DEFINE4(name, ...) SYSCALL_DEFINEx(4, _##name, __VA_ARGS__) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/syscalls.h:228:2: note: expanded from macro 'SYSCALL_DEFINEx' 228 | __SYSCALL_DEFINEx(x, sname, __VA_ARGS__) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/syscalls.h:245:25: note: expanded from macro '__SYSCALL_DEFINEx' 245 | (void)(__do_sys##name == sys##name); \ | ~~~~~~~~~~~~~~ ^ ~~~~~~~~~ fs/open.c:1494:1: warning: comparison of distinct pointer types ('long (*)(const char *, umode_t)' (aka 'long (*)(const char *, unsigned short)') and 'long (*)(const char *, umode_t)' (aka 'long (*)(const char *, unsigned short)')) [-Wcompare-distinct-pointer-types] 1494 | SYSCALL_DEFINE2(creat, const char __user *, pathname, umode_t, mode) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/syscalls.h:216:36: note: expanded from macro 'SYSCALL_DEFINE2' 216 | #define SYSCALL_DEFINE2(name, ...) SYSCALL_DEFINEx(2, _##name, __VA_ARGS__) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/syscalls.h:228:2: note: expanded from macro 'SYSCALL_DEFINEx' 228 | __SYSCALL_DEFINEx(x, sname, __VA_ARGS__) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/syscalls.h:245:25: note: expanded from macro '__SYSCALL_DEFINEx' 245 | (void)(__do_sys##name == sys##name); \ | ~~~~~~~~~~~~~~ ^ ~~~~~~~~~ fs/open.c:1544:1: warning: comparison of distinct pointer types ('long (*)(unsigned int)' and 'long (*)(unsigned int)') [-Wcompare-distinct-pointer-types] 1544 | SYSCALL_DEFINE1(close, unsigned int, fd) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/syscalls.h:215:36: note: expanded from macro 'SYSCALL_DEFINE1' 215 | #define SYSCALL_DEFINE1(name, ...) SYSCALL_DEFINEx(1, _##name, __VA_ARGS__) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/syscalls.h:228:2: note: expanded from macro 'SYSCALL_DEFINEx' 228 | __SYSCALL_DEFINEx(x, sname, __VA_ARGS__) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/syscalls.h:245:25: note: expanded from macro '__SYSCALL_DEFINEx' 245 | (void)(__do_sys##name == sys##name); \ | ~~~~~~~~~~~~~~ ^ ~~~~~~~~~ fs/open.c:1582:1: warning: comparison of distinct pointer types ('long (*)(unsigned int, unsigned int, unsigned int)' and 'long (*)(unsigned int, unsigned int, unsigned int)') [-Wcompare-distinct-pointer-types] 1582 | SYSCALL_DEFINE3(close_range, unsigned int, fd, unsigned int, max_fd, | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 1583 | unsigned int, flags) | ~~~~~~~~~~~~~~~~~~~~ include/linux/syscalls.h:217:36: note: expanded from macro 'SYSCALL_DEFINE3' 217 | #define SYSCALL_DEFINE3(name, ...) SYSCALL_DEFINEx(3, _##name, __VA_ARGS__) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/syscalls.h:228:2: note: expanded from macro 'SYSCALL_DEFINEx' 228 | __SYSCALL_DEFINEx(x, sname, __VA_ARGS__) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/syscalls.h:245:25: note: expanded from macro '__SYSCALL_DEFINEx' 245 | (void)(__do_sys##name == sys##name); \ | ~~~~~~~~~~~~~~ ^ ~~~~~~~~~ 37 warnings generated. .. vim +1443 fs/open.c e922efc342d565 Miklos Szeredi 2005-09-06 1426 fddb5d430ad9fa Aleksa Sarai 2020-01-18 1427 fddb5d430ad9fa Aleksa Sarai 2020-01-18 @1428 SYSCALL_DEFINE3(open, const char __user *, filename, int, flags, umode_t, mode) fddb5d430ad9fa Aleksa Sarai 2020-01-18 1429 { 166e07c37c6417 Christoph Hellwig 2020-06-06 1430 if (force_o_largefile()) 166e07c37c6417 Christoph Hellwig 2020-06-06 1431 flags |= O_LARGEFILE; 166e07c37c6417 Christoph Hellwig 2020-06-06 1432 return do_sys_open(AT_FDCWD, filename, flags, mode); e922efc342d565 Miklos Szeredi 2005-09-06 1433 } ^1da177e4c3f41 Linus Torvalds 2005-04-16 1434 6559eed8ca7db0 Heiko Carstens 2009-01-14 @1435 SYSCALL_DEFINE4(openat, int, dfd, const char __user *, filename, int, flags, a218d0fdc5f900 Al Viro 2011-11-21 1436 umode_t, mode) 5590ff0d5528b6 Ulrich Drepper 2006-01-18 1437 { 5590ff0d5528b6 Ulrich Drepper 2006-01-18 1438 if (force_o_largefile()) 5590ff0d5528b6 Ulrich Drepper 2006-01-18 1439 flags |= O_LARGEFILE; 2cf0966683430b Al Viro 2013-01-21 1440 return do_sys_open(dfd, filename, flags, mode); 5590ff0d5528b6 Ulrich Drepper 2006-01-18 1441 } 5590ff0d5528b6 Ulrich Drepper 2006-01-18 1442 fddb5d430ad9fa Aleksa Sarai 2020-01-18 @1443 SYSCALL_DEFINE4(openat2, int, dfd, const char __user *, filename, fddb5d430ad9fa Aleksa Sarai 2020-01-18 1444 struct open_how __user *, how, size_t, usize) fddb5d430ad9fa Aleksa Sarai 2020-01-18 1445 { fddb5d430ad9fa Aleksa Sarai 2020-01-18 1446 int err; fddb5d430ad9fa Aleksa Sarai 2020-01-18 1447 struct open_how tmp; fddb5d430ad9fa Aleksa Sarai 2020-01-18 1448 fddb5d430ad9fa Aleksa Sarai 2020-01-18 1449 BUILD_BUG_ON(sizeof(struct open_how) < OPEN_HOW_SIZE_VER0); fddb5d430ad9fa Aleksa Sarai 2020-01-18 1450 BUILD_BUG_ON(sizeof(struct open_how) != OPEN_HOW_SIZE_LATEST); fddb5d430ad9fa Aleksa Sarai 2020-01-18 1451 fddb5d430ad9fa Aleksa Sarai 2020-01-18 1452 if (unlikely(usize < OPEN_HOW_SIZE_VER0)) fddb5d430ad9fa Aleksa Sarai 2020-01-18 1453 return -EINVAL; fddb5d430ad9fa Aleksa Sarai 2020-01-18 1454 fddb5d430ad9fa Aleksa Sarai 2020-01-18 1455 err = copy_struct_from_user(&tmp, sizeof(tmp), how, usize); fddb5d430ad9fa Aleksa Sarai 2020-01-18 1456 if (err) fddb5d430ad9fa Aleksa Sarai 2020-01-18 1457 return err; fddb5d430ad9fa Aleksa Sarai 2020-01-18 1458 571e5c0efcb29c Richard Guy Briggs 2021-05-19 1459 audit_openat2_how(&tmp); 571e5c0efcb29c Richard Guy Briggs 2021-05-19 1460 fddb5d430ad9fa Aleksa Sarai 2020-01-18 1461 /* O_LARGEFILE is only allowed for non-O_PATH. */ fddb5d430ad9fa Aleksa Sarai 2020-01-18 1462 if (!(tmp.flags & O_PATH) && force_o_largefile()) fddb5d430ad9fa Aleksa Sarai 2020-01-18 1463 tmp.flags |= O_LARGEFILE; fddb5d430ad9fa Aleksa Sarai 2020-01-18 1464 fddb5d430ad9fa Aleksa Sarai 2020-01-18 1465 return do_sys_openat2(dfd, filename, &tmp); fddb5d430ad9fa Aleksa Sarai 2020-01-18 1466 } fddb5d430ad9fa Aleksa Sarai 2020-01-18 1467 e35d49f637d5ce Al Viro 2017-04-08 1468 #ifdef CONFIG_COMPAT e35d49f637d5ce Al Viro 2017-04-08 1469 /* e35d49f637d5ce Al Viro 2017-04-08 1470 * Exactly like sys_open(), except that it doesn't set the e35d49f637d5ce Al Viro 2017-04-08 1471 * O_LARGEFILE flag. e35d49f637d5ce Al Viro 2017-04-08 1472 */ e35d49f637d5ce Al Viro 2017-04-08 1473 COMPAT_SYSCALL_DEFINE3(open, const char __user *, filename, int, flags, umode_t, mode) e35d49f637d5ce Al Viro 2017-04-08 1474 { e35d49f637d5ce Al Viro 2017-04-08 1475 return do_sys_open(AT_FDCWD, filename, flags, mode); e35d49f637d5ce Al Viro 2017-04-08 1476 } e35d49f637d5ce Al Viro 2017-04-08 1477 e35d49f637d5ce Al Viro 2017-04-08 1478 /* e35d49f637d5ce Al Viro 2017-04-08 1479 * Exactly like sys_openat(), except that it doesn't set the e35d49f637d5ce Al Viro 2017-04-08 1480 * O_LARGEFILE flag. e35d49f637d5ce Al Viro 2017-04-08 1481 */ e35d49f637d5ce Al Viro 2017-04-08 1482 COMPAT_SYSCALL_DEFINE4(openat, int, dfd, const char __user *, filename, int, flags, umode_t, mode) e35d49f637d5ce Al Viro 2017-04-08 1483 { e35d49f637d5ce Al Viro 2017-04-08 1484 return do_sys_open(dfd, filename, flags, mode); e35d49f637d5ce Al Viro 2017-04-08 1485 } e35d49f637d5ce Al Viro 2017-04-08 1486 #endif e35d49f637d5ce Al Viro 2017-04-08 1487 ^1da177e4c3f41 Linus Torvalds 2005-04-16 1488 #ifndef __alpha__ ^1da177e4c3f41 Linus Torvalds 2005-04-16 1489 ^1da177e4c3f41 Linus Torvalds 2005-04-16 1490 /* ^1da177e4c3f41 Linus Torvalds 2005-04-16 1491 * For backward compatibility? Maybe this should be moved ^1da177e4c3f41 Linus Torvalds 2005-04-16 1492 * into arch/i386 instead? ^1da177e4c3f41 Linus Torvalds 2005-04-16 1493 */ a218d0fdc5f900 Al Viro 2011-11-21 1494 SYSCALL_DEFINE2(creat, const char __user *, pathname, umode_t, mode) ^1da177e4c3f41 Linus Torvalds 2005-04-16 1495 { 166e07c37c6417 Christoph Hellwig 2020-06-06 1496 int flags = O_CREAT | O_WRONLY | O_TRUNC; ^1da177e4c3f41 Linus Torvalds 2005-04-16 1497 166e07c37c6417 Christoph Hellwig 2020-06-06 1498 if (force_o_largefile()) 166e07c37c6417 Christoph Hellwig 2020-06-06 1499 flags |= O_LARGEFILE; 166e07c37c6417 Christoph Hellwig 2020-06-06 1500 return do_sys_open(AT_FDCWD, pathname, flags, mode); 166e07c37c6417 Christoph Hellwig 2020-06-06 1501 } ^1da177e4c3f41 Linus Torvalds 2005-04-16 1502 #endif ^1da177e4c3f41 Linus Torvalds 2005-04-16 1503 ^1da177e4c3f41 Linus Torvalds 2005-04-16 1504 /* ^1da177e4c3f41 Linus Torvalds 2005-04-16 1505 * "id" is the POSIX thread ID. We use the ^1da177e4c3f41 Linus Torvalds 2005-04-16 1506 * files pointer for this.. ^1da177e4c3f41 Linus Torvalds 2005-04-16 1507 */ 021a160abf62c1 Linus Torvalds 2023-08-08 1508 static int filp_flush(struct file *filp, fl_owner_t id) ^1da177e4c3f41 Linus Torvalds 2005-04-16 1509 { 45778ca819acca Christoph Lameter 2005-06-23 1510 int retval = 0; ^1da177e4c3f41 Linus Torvalds 2005-04-16 1511 47d586913f2abe Jann Horn 2023-01-16 1512 if (CHECK_DATA_CORRUPTION(file_count(filp) == 0, 47d586913f2abe Jann Horn 2023-01-16 1513 "VFS: Close: file count is 0 (f_op=%ps)", 47d586913f2abe Jann Horn 2023-01-16 1514 filp->f_op)) { 45778ca819acca Christoph Lameter 2005-06-23 1515 return 0; ^1da177e4c3f41 Linus Torvalds 2005-04-16 1516 } ^1da177e4c3f41 Linus Torvalds 2005-04-16 1517 72c2d531920048 Al Viro 2013-09-22 1518 if (filp->f_op->flush) 75e1fcc0b18df0 Miklos Szeredi 2006-06-23 1519 retval = filp->f_op->flush(filp, id); ^1da177e4c3f41 Linus Torvalds 2005-04-16 1520 1abf0c718f15a5 Al Viro 2011-03-13 1521 if (likely(!(filp->f_mode & FMODE_PATH))) { ^1da177e4c3f41 Linus Torvalds 2005-04-16 1522 dnotify_flush(filp, id); ^1da177e4c3f41 Linus Torvalds 2005-04-16 1523 locks_remove_posix(filp, id); 1abf0c718f15a5 Al Viro 2011-03-13 1524 } ^1da177e4c3f41 Linus Torvalds 2005-04-16 1525 return retval; ^1da177e4c3f41 Linus Torvalds 2005-04-16 1526 } ^1da177e4c3f41 Linus Torvalds 2005-04-16 1527 021a160abf62c1 Linus Torvalds 2023-08-08 1528 int filp_close(struct file *filp, fl_owner_t id) 021a160abf62c1 Linus Torvalds 2023-08-08 1529 { 021a160abf62c1 Linus Torvalds 2023-08-08 1530 int retval; 021a160abf62c1 Linus Torvalds 2023-08-08 1531 021a160abf62c1 Linus Torvalds 2023-08-08 1532 retval = filp_flush(filp, id); 021a160abf62c1 Linus Torvalds 2023-08-08 1533 fput(filp); 021a160abf62c1 Linus Torvalds 2023-08-08 1534 021a160abf62c1 Linus Torvalds 2023-08-08 1535 return retval; 021a160abf62c1 Linus Torvalds 2023-08-08 1536 } ^1da177e4c3f41 Linus Torvalds 2005-04-16 1537 EXPORT_SYMBOL(filp_close); ^1da177e4c3f41 Linus Torvalds 2005-04-16 1538 ^1da177e4c3f41 Linus Torvalds 2005-04-16 1539 /* ^1da177e4c3f41 Linus Torvalds 2005-04-16 1540 * Careful here! We test whether the file pointer is NULL before ^1da177e4c3f41 Linus Torvalds 2005-04-16 1541 * releasing the fd. This ensures that one clone task can't release ^1da177e4c3f41 Linus Torvalds 2005-04-16 1542 * an fd while another clone is opening it. ^1da177e4c3f41 Linus Torvalds 2005-04-16 1543 */ ca013e945b1ba5 Heiko Carstens 2009-01-14 1544 SYSCALL_DEFINE1(close, unsigned int, fd) ^1da177e4c3f41 Linus Torvalds 2005-04-16 1545 { 021a160abf62c1 Linus Torvalds 2023-08-08 1546 int retval; 021a160abf62c1 Linus Torvalds 2023-08-08 1547 struct file *file; 021a160abf62c1 Linus Torvalds 2023-08-08 1548 a88c955fcfb497 Christian Brauner 2023-11-30 1549 file = file_close_fd(fd); 021a160abf62c1 Linus Torvalds 2023-08-08 1550 if (!file) 021a160abf62c1 Linus Torvalds 2023-08-08 1551 return -EBADF; 021a160abf62c1 Linus Torvalds 2023-08-08 1552 021a160abf62c1 Linus Torvalds 2023-08-08 1553 retval = filp_flush(file, current->files); 021a160abf62c1 Linus Torvalds 2023-08-08 1554 021a160abf62c1 Linus Torvalds 2023-08-08 1555 /* 021a160abf62c1 Linus Torvalds 2023-08-08 1556 * We're returning to user space. Don't bother 021a160abf62c1 Linus Torvalds 2023-08-08 1557 * with any delayed fput() cases. 021a160abf62c1 Linus Torvalds 2023-08-08 1558 */ 021a160abf62c1 Linus Torvalds 2023-08-08 1559 __fput_sync(file); ee731f4f7880b0 Ernie Petrides 2006-09-29 1560 ee731f4f7880b0 Ernie Petrides 2006-09-29 1561 /* can't restart close syscall because file table entry was cleared */ ee731f4f7880b0 Ernie Petrides 2006-09-29 1562 if (unlikely(retval == -ERESTARTSYS || ee731f4f7880b0 Ernie Petrides 2006-09-29 1563 retval == -ERESTARTNOINTR || ee731f4f7880b0 Ernie Petrides 2006-09-29 1564 retval == -ERESTARTNOHAND || ee731f4f7880b0 Ernie Petrides 2006-09-29 1565 retval == -ERESTART_RESTARTBLOCK)) ee731f4f7880b0 Ernie Petrides 2006-09-29 1566 retval = -EINTR; ee731f4f7880b0 Ernie Petrides 2006-09-29 1567 ee731f4f7880b0 Ernie Petrides 2006-09-29 1568 return retval; ^1da177e4c3f41 Linus Torvalds 2005-04-16 1569 } ^1da177e4c3f41 Linus Torvalds 2005-04-16 1570 278a5fbaed89da Christian Brauner 2019-05-24 1571 /** 35931eb3945b8d Matthew Wilcox (Oracle 2023-08-18 1572) * sys_close_range() - Close all file descriptors in a given range. 278a5fbaed89da Christian Brauner 2019-05-24 1573 * 278a5fbaed89da Christian Brauner 2019-05-24 1574 * @fd: starting file descriptor to close 278a5fbaed89da Christian Brauner 2019-05-24 1575 * @max_fd: last file descriptor to close 278a5fbaed89da Christian Brauner 2019-05-24 1576 * @flags: reserved for future extensions 278a5fbaed89da Christian Brauner 2019-05-24 1577 * 278a5fbaed89da Christian Brauner 2019-05-24 1578 * This closes a range of file descriptors. All file descriptors 278a5fbaed89da Christian Brauner 2019-05-24 1579 * from @fd up to and including @max_fd are closed. 278a5fbaed89da Christian Brauner 2019-05-24 1580 * Currently, errors to close a given file descriptor are ignored. 278a5fbaed89da Christian Brauner 2019-05-24 1581 */ 278a5fbaed89da Christian Brauner 2019-05-24 @1582 SYSCALL_DEFINE3(close_range, unsigned int, fd, unsigned int, max_fd, 278a5fbaed89da Christian Brauner 2019-05-24 1583 unsigned int, flags) 278a5fbaed89da Christian Brauner 2019-05-24 1584 { 60997c3d45d9a6 Christian Brauner 2020-06-03 1585 return __close_range(fd, max_fd, flags); 278a5fbaed89da Christian Brauner 2019-05-24 1586 } 278a5fbaed89da Christian Brauner 2019-05-24 1587 :::::: The code at line 1443 was first introduced by commit :::::: fddb5d430ad9fa91b49b1d34d0202ffe2fa0e179 open: introduce openat2(2) syscall :::::: TO: Aleksa Sarai <cyphar@xxxxxxxxxx> :::::: CC: Al Viro <viro@xxxxxxxxxxxxxxxxxx> -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
