diff --git a/include/asm-generic/uaccess.h b/include/asm-generic/uaccess.h
index b218b85..7b7e61e 100644
--- a/include/asm-generic/uaccess.h
+++ b/include/asm-generic/uaccess.h
@@ -162,9 +162,10 @@ static inline __must_check long __copy_to_user(void __user *to,
 
 #define put_user(x, ptr)                                       \
 ({                                                             \
+       __typeof__(*(ptr)) __user *__pu_addr = (ptr);                   \
        might_sleep();                                          \
-       access_ok(VERIFY_WRITE, ptr, sizeof(*ptr)) ?            \
-               __put_user(x, ptr) :                            \
+       access_ok(VERIFY_WRITE, __pu_addr, sizeof(*ptr)) ?              \
+               __put_user(x, __pu_addr) :                              \