aboutsummaryrefslogtreecommitdiff
path: root/arch/mips/kernel/linux32.c
diff options
context:
space:
mode:
Diffstat (limited to 'arch/mips/kernel/linux32.c')
-rw-r--r--arch/mips/kernel/linux32.c61
1 files changed, 0 insertions, 61 deletions
diff --git a/arch/mips/kernel/linux32.c b/arch/mips/kernel/linux32.c
index b77fefaff9d..1a2793efdc4 100644
--- a/arch/mips/kernel/linux32.c
+++ b/arch/mips/kernel/linux32.c
@@ -265,67 +265,6 @@ SYSCALL_DEFINE5(n32_msgrcv, int, msqid, u32, msgp, size_t, msgsz,
}
#endif
-struct sysctl_args32
-{
- compat_caddr_t name;
- int nlen;
- compat_caddr_t oldval;
- compat_caddr_t oldlenp;
- compat_caddr_t newval;
- compat_size_t newlen;
- unsigned int __unused[4];
-};
-
-#ifdef CONFIG_SYSCTL_SYSCALL
-
-SYSCALL_DEFINE1(32_sysctl, struct sysctl_args32 __user *, args)
-{
- struct sysctl_args32 tmp;
- int error;
- size_t oldlen;
- size_t __user *oldlenp = NULL;
- unsigned long addr = (((unsigned long)&args->__unused[0]) + 7) & ~7;
-
- 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. */
- if (get_user(oldlen, (u32 __user *)A(tmp.oldlenp)) ||
- put_user(oldlen, (size_t __user *)addr))
- return -EFAULT;
- oldlenp = (size_t __user *)addr;
- }
-
- lock_kernel();
- error = do_sysctl((int __user *)A(tmp.name), tmp.nlen, (void __user *)A(tmp.oldval),
- oldlenp, (void __user *)A(tmp.newval), tmp.newlen);
- unlock_kernel();
- if (oldlenp) {
- if (!error) {
- if (get_user(oldlen, (size_t __user *)addr) ||
- put_user(oldlen, (u32 __user *)A(tmp.oldlenp)))
- error = -EFAULT;
- }
- copy_to_user(args->__unused, tmp.__unused, sizeof(tmp.__unused));
- }
- return error;
-}
-
-#else
-
-SYSCALL_DEFINE1(32_sysctl, struct sysctl_args32 __user *, args)
-{
- return -ENOSYS;
-}
-
-#endif /* CONFIG_SYSCTL_SYSCALL */
-
SYSCALL_DEFINE1(32_newuname, struct new_utsname __user *, name)
{
int ret = 0;