From: Al Viro <viro@zeniv.linux.org.uk>
Date: Sat, 20 Aug 2016 20:32:02 +0000 (-0400)
Subject: mn10300: failing __get_user() and get_user() should zero
X-Git-Tag: v4.7.5~31
X-Git-Url: http://git.hungrycats.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=08f3fa74dccfed4dde79e8cb26988a2bc94e5931;p=linux

mn10300: failing __get_user() and get_user() should zero

commit 43403eabf558d2800b429cd886e996fd555aa542 upstream.

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---

diff --git a/arch/mn10300/include/asm/uaccess.h b/arch/mn10300/include/asm/uaccess.h
index 20f7bf6de384..d012e877a95a 100644
--- a/arch/mn10300/include/asm/uaccess.h
+++ b/arch/mn10300/include/asm/uaccess.h
@@ -166,6 +166,7 @@ struct __large_struct { unsigned long buf[100]; };
 		"2:\n"						\
 		"	.section	.fixup,\"ax\"\n"	\
 		"3:\n\t"					\
+		"	mov		0,%1\n"			\
 		"	mov		%3,%0\n"		\
 		"	jmp		2b\n"			\
 		"	.previous\n"				\