[MIPS] Further sparsification for 32-bit compat code.

Signed-off-by: NAtsushi Nemoto <anemo@mba.ocn.ne.jp>
Signed-off-by: NRalf Baechle <ralf@linux-mips.org>

arch/mips/kernel/syscall.c

@@ -345,7 +345,7 @@ asmlinkage int sys_ipc (uint call, int first, int second,
 		union semun fourth;
 		if (!ptr)
 			return -EINVAL;
-		if (get_user(fourth.__pad, (void *__user *) ptr))
+		if (get_user(fourth.__pad, (void __user *__user *) ptr))
 			return -EFAULT;
 		return sys_semctl (first, second, third, fourth);
 	}

include/asm-mips/compat.h

@@ -128,17 +128,17 @@ typedef u32		compat_sigset_word;
  */
 typedef u32		compat_uptr_t;
 
-static inline void *compat_ptr(compat_uptr_t uptr)
+static inline void __user *compat_ptr(compat_uptr_t uptr)
 {
-	return (void *)(long)uptr;
+	return (void __user *)(long)uptr;
 }
 
-static inline void *compat_alloc_user_space(long len)
+static inline void __user *compat_alloc_user_space(long len)
 {
 	struct pt_regs *regs = (struct pt_regs *)
 		((unsigned long) current_thread_info() + THREAD_SIZE - 32) - 1;
 
-	return (void *) (regs->regs[29] - len);
+	return (void __user *) (regs->regs[29] - len);
 }
 #if defined (__MIPSEL__)
 #define __COMPAT_ENDIAN_SWAP__ 	1