From 63981a4096081f3a35351f56fa89e91f493c02c7 Mon Sep 17 00:00:00 2001
From: Ralf Baechle <ralf@linux-mips.org>
Date: Tue, 22 Jan 2013 10:58:21 +0100
Subject: [PATCH] MIPS: compat: Return same error ENOSYS as native for invalid
 operation.

The pains for multiplexed syscalls.

Noticed by Al Viro <viro@zeniv.linux.org.uk>.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
---
 arch/mips/kernel/linux32.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/mips/kernel/linux32.c b/arch/mips/kernel/linux32.c
index 8eeee1c..db9655f 100644
--- a/arch/mips/kernel/linux32.c
+++ b/arch/mips/kernel/linux32.c
@@ -171,7 +171,7 @@ SYSCALL_DEFINE6(32_ipc, u32, call, long, first, long, second, long, third,
 		err = compat_sys_shmctl(first, second, compat_ptr(ptr));
 		break;
 	default:
-		err = -EINVAL;
+		err = -ENOSYS;
 		break;
 	}
 
-- 
2.7.4