linux-kernel - [PATCH 3.18 22/69] openrisc: fix issue handling 8 byte get

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Message-Id: <20171218152739.809639949@linuxfoundation.org>
Date:   Mon, 18 Dec 2017 16:48:08 +0100
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Stafford Horne <shorne@...il.com>,
        Sasha Levin <alexander.levin@...izon.com>
Subject: [PATCH 3.18 22/69] openrisc: fix issue handling 8 byte get_user calls

3.18-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Stafford Horne <shorne@...il.com>


[ Upstream commit 154e67cd8e8f964809d0e75e44bb121b169c75b3 ]

Was getting the following error with allmodconfig:

  ERROR: "__get_user_bad" [lib/test_user_copy.ko] undefined!

This was simply a missing break statement, causing an unwanted fall
through.

Signed-off-by: Stafford Horne <shorne@...il.com>
Signed-off-by: Sasha Levin <alexander.levin@...izon.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
---
 arch/openrisc/include/asm/uaccess.h |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/arch/openrisc/include/asm/uaccess.h
+++ b/arch/openrisc/include/asm/uaccess.h
@@ -215,7 +215,7 @@ do {									\
 	case 1: __get_user_asm(x, ptr, retval, "l.lbz"); break;		\
 	case 2: __get_user_asm(x, ptr, retval, "l.lhz"); break;		\
 	case 4: __get_user_asm(x, ptr, retval, "l.lwz"); break;		\
-	case 8: __get_user_asm2(x, ptr, retval);			\
+	case 8: __get_user_asm2(x, ptr, retval); break;			\
 	default: (x) = __get_user_bad();				\
 	}								\
 } while (0)