[PATCH] Remove bogus sys_oldumount sign extension code

From: Anton Blanchard <anton@samba.org>

Remove bogus sys_oldumount sign extension code. We were sign extending
the flags argument which doesnt make sense.

arch/ppc64/kernel/misc.S

@@ -624,7 +624,7 @@ _GLOBAL(sys_call_table32)
 	.llong .sys_geteuid
 	.llong .sys_getegid		/* 50 */
 	.llong .sys_acct
-	.llong .sys32_umount
+	.llong .sys_umount
 	.llong .sys_ni_syscall		/* old lock syscall */
 	.llong .compat_sys_ioctl
 	.llong .compat_sys_fcntl		/* 55 */

arch/ppc64/kernel/sys_ppc32.c

@@ -2577,17 +2577,6 @@ asmlinkage long sys32_umask(u32 mask)
 	return sys_umask((int)mask);
 }
 
-
-/* Note: it is necessary to treat flags as an unsigned int,
- * with the corresponding cast to a signed int to insure that the 
- * proper conversion (sign extension) between the register representation of a signed int (msr in 32-bit mode)
- * and the register representation of a signed int (msr in 64-bit mode) is performed.
- */
-asmlinkage long sys32_umount(char * name, u32 flags)
-{
-	return sys_umount(name, (int)flags);
-}
-
 struct __sysctl_args32 {
 	u32 name;
 	int nlen;