diff options
| -rw-r--r-- | arch/x86/include/asm/uaccess_64.h | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/arch/x86/include/asm/uaccess_64.h b/arch/x86/include/asm/uaccess_64.h index a10149a96d9e..92859c1ef59c 100644 --- a/arch/x86/include/asm/uaccess_64.h +++ b/arch/x86/include/asm/uaccess_64.h @@ -59,7 +59,9 @@ static inline unsigned long __untagged_addr_remote(struct mm_struct *mm, * for dense accesses starting at the address. */ #define mask_user_address(x) ((typeof(x))((long)(x)|((long)(x)>>63))) -#define masked_user_access_begin(x) ({ __uaccess_begin(); mask_user_address(x); }) +#define masked_user_access_begin(x) ({ \ + __auto_type __masked_ptr = mask_user_address(x); \ + __uaccess_begin(); __masked_ptr; }) /* * User pointers can have tag bits on x86-64. This scheme tolerates |