m32r: fix __get_user()

[ Upstream commit c90a3bc5061d57e7931a9b7ad14784e1a0ed497d ]

Cc: stable@vger.kernel.org
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Sasha Levin <alexander.levin@verizon.com>

diff --git a/arch/m32r/include/asm/uaccess.h b/arch/m32r/include/asm/uaccess.h
index 84fe7ba53035dd3ec5b72c417fcab940b0427106..c393e8f57cf7054dbbabda26849a3d8cf054010a 100644 (file)
--- a/arch/m32r/include/asm/uaccess.h
+++ b/arch/m32r/include/asm/uaccess.h
@@ -215,7 +215,7 @@ extern int fixup_exception(struct pt_regs *regs);
 #define __get_user_nocheck(x,ptr,size)                                 \
 ({                                                                     \
        long __gu_err = 0;                                              \
-       unsigned long __gu_val;                                         \
+       unsigned long __gu_val = 0;                                     \
        might_fault();                                                  \
        __get_user_size(__gu_val,(ptr),(size),__gu_err);                \
        (x) = (__typeof__(*(ptr)))__gu_val;                             \