sysctl: ia64 Use the compat_sys_sysctl

[sfrench/cifs-2.6.git] / arch / ia64 / ia32 / sys_ia32.c

diff --git a/arch/ia64/ia32/sys_ia32.c b/arch/ia64/ia32/sys_ia32.c
index 625ed8f76fce7905aeaff30626f0ae3a74661e8e..429ec968c9ee62178ffcc8c3afe1005510695eb1 100644 (file)
--- a/arch/ia64/ia32/sys_ia32.c
+++ b/arch/ia64/ia32/sys_ia32.c
@@ -1628,61 +1628,6 @@ sys32_msync (unsigned int start, unsigned int len, int flags)
        return sys_msync(addr, len + (start - addr), flags);
 }
 
-struct sysctl32 {
-       unsigned int    name;
-       int             nlen;
-       unsigned int    oldval;
-       unsigned int    oldlenp;
-       unsigned int    newval;
-       unsigned int    newlen;
-       unsigned int    __unused[4];
-};
-
-#ifdef CONFIG_SYSCTL_SYSCALL
-asmlinkage long
-sys32_sysctl (struct sysctl32 __user *args)
-{
-       struct sysctl32 a32;
-       mm_segment_t old_fs = get_fs ();
-       void __user *oldvalp, *newvalp;
-       size_t oldlen;
-       int __user *namep;
-       long ret;
-
-       if (copy_from_user(&a32, args, sizeof(a32)))
-               return -EFAULT;
-
-       /*
-        * We need to pre-validate these because we have to disable address checking
-        * before calling do_sysctl() because of OLDLEN but we can't run the risk of the
-        * user specifying bad addresses here.  Well, since we're dealing with 32 bit
-        * addresses, we KNOW that access_ok() will always succeed, so this is an
-        * expensive NOP, but so what...
-        */
-       namep = (int __user *) compat_ptr(a32.name);
-       oldvalp = compat_ptr(a32.oldval);
-       newvalp = compat_ptr(a32.newval);
-
-       if ((oldvalp && get_user(oldlen, (int __user *) compat_ptr(a32.oldlenp)))
-           || !access_ok(VERIFY_WRITE, namep, 0)
-           || !access_ok(VERIFY_WRITE, oldvalp, 0)
-           || !access_ok(VERIFY_WRITE, newvalp, 0))
-               return -EFAULT;
-
-       set_fs(KERNEL_DS);
-       lock_kernel();
-       ret = do_sysctl(namep, a32.nlen, oldvalp, (size_t __user *) &oldlen,
-                       newvalp, (size_t) a32.newlen);
-       unlock_kernel();
-       set_fs(old_fs);
-
-       if (oldvalp && put_user (oldlen, (int __user *) compat_ptr(a32.oldlenp)))
-               return -EFAULT;
-
-       return ret;
-}
-#endif
-
 asmlinkage long
 sys32_newuname (struct new_utsname __user *name)
 {