microblaze: fix __get_user()

Cc: stable@vger.kernel.org
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

diff --git a/arch/microblaze/include/asm/uaccess.h b/arch/microblaze/include/asm/uaccess.h
index 3a486d3b6f52a1ddc089b26a1d59141e774a969d..826676778094f23a8ced8264b5c448184c0fa006 100644 (file)
--- a/arch/microblaze/include/asm/uaccess.h
+++ b/arch/microblaze/include/asm/uaccess.h
@@ -227,7 +227,7 @@ 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))) {                                       \