microblaze: fix __get_user()

[ Upstream commit e98b9e37ae04562d52c96f46b3cf4c2e80222dc1 ]

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/microblaze/include/asm/uaccess.h b/arch/microblaze/include/asm/uaccess.h
index f983626a3c2030927bc27ec73e9e0c977de2b06b..336be7716972bf0a6e7acdf084cae2b05f522bb2 100644 (file)
--- a/arch/microblaze/include/asm/uaccess.h
+++ b/arch/microblaze/include/asm/uaccess.h
@@ -226,7 +226,7 @@ extern long __user_bad(void);
 
 #define __get_user(x, ptr)                                             \
 ({                                                                     \
-       unsigned long __gu_val;                                         \
+       unsigned long __gu_val = 0;                                     \
        /*unsigned long __gu_ptr = (unsigned long)(ptr);*/              \
        long __gu_err;                                                  \
        switch (sizeof(*(ptr))) {                                       \