diff options
| author |   Al Viro <viro@zeniv.linux.org.uk> | 2018-03-20 10:34:57 -0400 |
|---|---|---|
| committer | Al Viro <viro@zeniv.linux.org.uk> | 2018-03-20 12:05:17 -0400 |
| commit | 3d0e354e4e51f40a58ae8bff7ded60f0c1f5c618 (patch) | |
| tree | 0743109297ab83f7072783a5bdf95083b37de6f3 | |
| parent | sparc: switch compat pread64 and pwrite64 to COMPAT_SYSCALL_DEFINE (diff) | |
| download | linux-dev-3d0e354e4e51f40a58ae8bff7ded60f0c1f5c618.tar.xz linux-dev-3d0e354e4e51f40a58ae8bff7ded60f0c1f5c618.zip | |
sparc: switch compat {f,}truncate64() to COMPAT_SYSCALL_DEFINE
... and drop the pointless checks - sys_truncate() itself
might've lacked the check when that stuff was first written,
but it has already grown one by the time that stuff went into
mainline.
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
| -rw-r--r-- | arch/sparc/kernel/sys_sparc32.c | 14 | ||||
| -rw-r--r-- | arch/sparc/kernel/systbls.h | 12 | ||||
| -rw-r--r-- | arch/sparc/kernel/systbls_64.S | 4 |
3 files changed, 12 insertions, 18 deletions
diff --git a/arch/sparc/kernel/sys_sparc32.c b/arch/sparc/kernel/sys_sparc32.c index 50e9e4fdd8c6..c27e7e9e641b 100644 --- a/arch/sparc/kernel/sys_sparc32.c +++ b/arch/sparc/kernel/sys_sparc32.c @@ -52,20 +52,14 @@ #include "systbls.h" -asmlinkage long sys32_truncate64(const char __user * path, unsigned long high, unsigned long low) +COMPAT_SYSCALL_DEFINE3(truncate64, const char __user *, path, u32, high, u32, low) { - if ((int)high < 0) - return -EINVAL; - else - return sys_truncate(path, (high << 32) | low); + return sys_truncate(path, ((u64)high << 32) | low); } -asmlinkage long sys32_ftruncate64(unsigned int fd, unsigned long high, unsigned long low) +COMPAT_SYSCALL_DEFINE3(ftruncate64, unsigned int, fd, u32, high, u32, low) { - if ((int)high < 0) - return -EINVAL; - else - return sys_ftruncate(fd, (high << 32) | low); + return sys_ftruncate(fd, ((u64)high << 32) | low); } static int cp_compat_stat64(struct kstat *stat, diff --git a/arch/sparc/kernel/systbls.h b/arch/sparc/kernel/systbls.h index 922c253ee086..1cb02fa28e9c 100644 --- a/arch/sparc/kernel/systbls.h +++ b/arch/sparc/kernel/systbls.h @@ -49,12 +49,12 @@ asmlinkage long sys_utrap_install(utrap_entry_t type, asmlinkage long sys_memory_ordering(unsigned long model); asmlinkage void sparc64_set_context(struct pt_regs *regs); asmlinkage void sparc64_get_context(struct pt_regs *regs); -asmlinkage long sys32_truncate64(const char __user * path, - unsigned long high, - unsigned long low); -asmlinkage long sys32_ftruncate64(unsigned int fd, - unsigned long high, - unsigned long low); +asmlinkage long compat_sys_truncate64(const char __user * path, + u32 high, + u32 low); +asmlinkage long compat_sys_ftruncate64(unsigned int fd, + u32 high, + u32 low); struct compat_stat64; asmlinkage long compat_sys_stat64(const char __user * filename, struct compat_stat64 __user *statbuf); diff --git a/arch/sparc/kernel/systbls_64.S b/arch/sparc/kernel/systbls_64.S index 34dde99548b0..387ef993880a 100644 --- a/arch/sparc/kernel/systbls_64.S +++ b/arch/sparc/kernel/systbls_64.S @@ -34,8 +34,8 @@ sys_call_table32: /*60*/ .word sys_umask, sys_chroot, compat_sys_newfstat, compat_sys_fstat64, sys_getpagesize .word sys_msync, sys_vfork, compat_sys_pread64, compat_sys_pwrite64, sys_geteuid /*70*/ .word sys_getegid, sys_mmap, sys_setreuid, sys_munmap, sys_mprotect - .word sys_madvise, sys_vhangup, sys32_truncate64, sys_mincore, sys_getgroups16 -/*80*/ .word sys_setgroups16, sys_getpgrp, sys_setgroups, compat_sys_setitimer, sys32_ftruncate64 + .word sys_madvise, sys_vhangup, compat_sys_truncate64, sys_mincore, sys_getgroups16 +/*80*/ .word sys_setgroups16, sys_getpgrp, sys_setgroups, compat_sys_setitimer, compat_sys_ftruncate64 .word sys_swapon, compat_sys_getitimer, sys_setuid, sys_sethostname, sys_setgid /*90*/ .word sys_dup2, sys_setfsuid, compat_sys_fcntl, compat_sys_select, sys_setfsgid .word sys_fsync, sys_setpriority, sys_socket, sys_connect, sys_accept |