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mn10300: failing __get_user() and get_user() should zero
authorAl Viro <viro@zeniv.linux.org.uk>
Sat, 20 Aug 2016 20:32:02 +0000 (16:32 -0400)
committerAl Viro <viro@zeniv.linux.org.uk>
Tue, 13 Sep 2016 21:49:42 +0000 (17:49 -0400)
Cc: stable@vger.kernel.org
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
arch/mn10300/include/asm/uaccess.h patch | blob | blame | history

diff --git a/arch/mn10300/include/asm/uaccess.h b/arch/mn10300/include/asm/uaccess.h
index 20f7bf6de384d06d5beebaeb216d2e6d4f675350..d012e877a95a02993ab57f9b7e6d73f767978344 100644 (file)
--- 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"                            \