diff options
| -rw-r--r-- | arch/parisc/kernel/sys_parisc32.c | 71 | ||||
| -rw-r--r-- | arch/parisc/kernel/syscall_table.S | 2 |
2 files changed, 1 insertions, 72 deletions
diff --git a/arch/parisc/kernel/sys_parisc32.c b/arch/parisc/kernel/sys_parisc32.c index 561388b17c9..76d23ec8dfa 100644 --- a/arch/parisc/kernel/sys_parisc32.c +++ b/arch/parisc/kernel/sys_parisc32.c @@ -90,77 +90,6 @@ asmlinkage long sys32_unimplemented(int r26, int r25, int r24, int r23, return -ENOSYS; } -#ifdef CONFIG_SYSCTL - -struct __sysctl_args32 { - u32 name; - int nlen; - u32 oldval; - u32 oldlenp; - u32 newval; - u32 newlen; - u32 __unused[4]; -}; - -asmlinkage long sys32_sysctl(struct __sysctl_args32 __user *args) -{ -#ifndef CONFIG_SYSCTL_SYSCALL - return -ENOSYS; -#else - struct __sysctl_args32 tmp; - int error; - unsigned int oldlen32; - size_t oldlen, __user *oldlenp = NULL; - unsigned long addr = (((long __force)&args->__unused[0]) + 7) & ~7; - - DBG(("sysctl32(%p)\n", args)); - - if (copy_from_user(&tmp, args, sizeof(tmp))) - return -EFAULT; - - if (tmp.oldval && tmp.oldlenp) { - /* Duh, this is ugly and might not work if sysctl_args - is in read-only memory, but do_sysctl does indirectly - a lot of uaccess in both directions and we'd have to - basically copy the whole sysctl.c here, and - glibc's __sysctl uses rw memory for the structure - anyway. */ - /* a possibly better hack than this, which will avoid the - * problem if the struct is read only, is to push the - * 'oldlen' value out to the user's stack instead. -PB - */ - if (get_user(oldlen32, (u32 *)(u64)tmp.oldlenp)) - return -EFAULT; - oldlen = oldlen32; - if (put_user(oldlen, (size_t *)addr)) - return -EFAULT; - oldlenp = (size_t *)addr; - } - - lock_kernel(); - error = do_sysctl((int __user *)(u64)tmp.name, tmp.nlen, - (void __user *)(u64)tmp.oldval, oldlenp, - (void __user *)(u64)tmp.newval, tmp.newlen); - unlock_kernel(); - if (oldlenp) { - if (!error) { - if (get_user(oldlen, (size_t *)addr)) { - error = -EFAULT; - } else { - oldlen32 = oldlen; - if (put_user(oldlen32, (u32 *)(u64)tmp.oldlenp)) - error = -EFAULT; - } - } - if (copy_to_user(args->__unused, tmp.__unused, sizeof(tmp.__unused))) - error = -EFAULT; - } - return error; -#endif -} - -#endif /* CONFIG_SYSCTL */ - asmlinkage long sys32_sched_rr_get_interval(pid_t pid, struct compat_timespec __user *interval) { diff --git a/arch/parisc/kernel/syscall_table.S b/arch/parisc/kernel/syscall_table.S index 843f423dec6..01c4fcf8f48 100644 --- a/arch/parisc/kernel/syscall_table.S +++ b/arch/parisc/kernel/syscall_table.S @@ -234,7 +234,7 @@ ENTRY_SAME(getsid) ENTRY_SAME(fdatasync) /* struct __sysctl_args is a mess */ - ENTRY_DIFF(sysctl) + ENTRY_COMP(sysctl) ENTRY_SAME(mlock) /* 150 */ ENTRY_SAME(munlock) ENTRY_SAME(mlockall) |